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Örnek K, Örnek N. Comments on: Retinal Thickness in Essential Tremor and Early Parkinson Disease: Exploring Diagnostic Insights. J Neuroophthalmol 2024:00041327-990000000-00587. [PMID: 38466429 DOI: 10.1097/wno.0000000000002122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Affiliation(s)
- Kemal Örnek
- Department of Ophthalmology (KO), Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey; and Department of Ophthalmology (NO), Kırıkkale University School of Medicine, Kırıkkale, Turkey
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Örnek K. Comments on: Partial Recovery of Amblyopia After Fellow Eye Ischemic Optic Neuropathy. J Neuroophthalmol 2024; 44:e209-e210. [PMID: 37792477 DOI: 10.1097/wno.0000000000001995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Affiliation(s)
- Kemal Örnek
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Örnek K. Response: Letter to the editor: Assessment of choroidal vascularity index during the menstrual cycle. Eur J Ophthalmol 2023; 33:NP148-NP149. [PMID: 37009656 DOI: 10.1177/11206721231164881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
Affiliation(s)
- Kemal Örnek
- Department of Ophthalmology, School of Medicine, Kırşehir Ahi Evran University, Kırşehir, Turkey
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Örnek K, Kocamış Ö. Stone fragment in the anterior chamber angle: a 40-year-old ocular emergency. Arq Bras Oftalmol 2023; 86:292-293. [PMID: 37283375 DOI: 10.5935/0004-2749.2023-0030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 02/06/2023] [Indexed: 06/08/2023] Open
Affiliation(s)
- Kemal Örnek
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Özkan Kocamış
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Abstract
PURPOSE To explore the effect of menstrual cycle on choroidal vascularity index (CVI). METHODS Thirty six eyes of 36 healthy women were included in this prospective study. The menstrual cycles were regular and ranged from 28 to 30 days in length. Optical coherence tomography images were obtained in 3 different phases of the menstrual cycle. The choroidal thickness (CT), total choroidal area, luminal area, stromal area, and CVI were quantified. RESULTS Mean subfoveal, nasal and temporal CT were significantly changed in mid-luteal phase in comparison to early follicular (p = 0.018, p = 0.006 and p = 0.001, respectively) and ovulatory phases (p = 0.037, p = 0.037, and p = 0.035, respectively). Mean CVI showed a significant change in mid-luteal phase when compared with early follicular (p = 0.001) and ovulatory phases (p = 0.036). CONCLUSION CVI seemed to be affected in mid-luteal phase of menstrual cycle. This should be considered while analyzing choroidal structure in otherwise healthy women.
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Affiliation(s)
- Nazife Aşikgarip
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Kemal Örnek
- Department of Opthalmology, 187470Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Kocamiş Ö, Temel E, Özcan G, Aşikgarip N, Örnek K. Choroidal vascularity index after a single dose of intravitreal dexamethasone implant in patients with refractory diabetic macular edema. Photodiagnosis Photodyn Ther 2022; 39:102996. [DOI: 10.1016/j.pdpdt.2022.102996] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 06/28/2022] [Accepted: 06/29/2022] [Indexed: 11/26/2022]
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Temel E, Aşıkgarip N, Koçak Y, Örnek K, Kocamış Ö, Özcan G. Analysis of choroidal vascularity index in multiple sclerosis patients without optic neuritis attack. Photodiagnosis Photodyn Ther 2022; 38:102823. [DOI: 10.1016/j.pdpdt.2022.102823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/26/2022] [Accepted: 03/17/2022] [Indexed: 10/18/2022]
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Kocamış Ö, Örnek K, Temel E. Chiari I malformation presenting with ganglion cell complex thinning on routine examination. Arq Bras Oftalmol 2022; 85:435-436. [DOI: 10.5935/0004-2749.2022-0150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 04/29/2022] [Indexed: 11/20/2022] Open
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Kocamiş Ö, Temel E, Aşikgarip N, Örnek K. Electronic Device Screen Time and Meibomian Gland Morphology in Children. J Ophthalmic Vis Res 2021; 16:531-537. [PMID: 34840674 PMCID: PMC8593533 DOI: 10.18502/jovr.v16i4.9741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 09/03/2020] [Indexed: 11/24/2022] Open
Abstract
Purpose To investigate changes in meibomian gland morphology and impact of electronic device usage time on meibomian glands in pediatric age group. Methods In this prospective study, 149 eyes of 149 children were enrolled. The participants also completed the Standard Patient Evaluation of Eye Dryness (SPEED) questionnaire and provided information regarding weekly hours spent in front of a digital screen. Meibography was performed in all subjects. Grading of images was evaluated using a previously validated 5-point meiboscale (0–4) for meibomian gland atrophy and a 3-point scale for meibomian gland tortuosity (0–2). Results Of the 149 enrolled children, 83 (55.7%) were female and 66 (44.3%) male. The mean age was 13.0 ± 3.0 (range, 5–18) years. The mean loss of meibomian gland area was 20.80 ± 9.32%. The mean meiboscore was 1.20 ± 0.58 for gland atrophy and the mean tortuosity score was 0.99 ± 0.62. The mean screen time was 29.32 ± 16.18 hr/week. There was a weak and significantly positive correlation between loss of meibomian gland area and screen time (r = 0.210, P = 0.010). There was a weak and significantly positive correlation between meiboscore for gland atrophy and screen time (r = 0.188, P = 0.022). We found a weak but significantly positive correlation between meibomian gland tortuosity and screen time (r = 0.142, P = 0.033). Conclusion Meibomian gland morphology may show changes in pediatric age group and excessive screen time may be a factor triggering these changes in gland morphology.
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Affiliation(s)
- Özkan Kocamiş
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Nazife Aşikgarip
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Kocamış Ö, Temel E, Hızmalı L, Aşıkgarip N, Örnek K, Sezgin FM. Structural alterations of the choroid evaluated using enhanced depth imaging optical coherence tomography in patients with coronavirus disease. Arq Bras Oftalmol 2021; 85:498-505. [PMID: 34852062 DOI: 10.5935/0004-2749.20220066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 02/19/2021] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To assess choroidal changes using enhanced depth imaging optical coherence tomography in coronavirus disease (COVID-19). METHODS Thirty-two patients with moderate COVID-19 and 34 healthy subjects were included in the study. Choroidal thickness was measured at 3 points as follows: at the subfovea, 1500 mm nasal to the fovea, and 1500 mm temporal to the fovea. The total choroidal area, luminal area, stromal area, and choroidal vascular index were measured with Image-J. All the measurements were performed during the disease and at 4 months after remission. RESULTS In the patient group, the subfoveal, nasal, and temporal choroidal thicknesses were decreased as compared with those in the controls, but without statistically significant differences (p=0.534, p=0.437, and p=0.077, respectively). The mean total choroidal, stromal, and luminal areas and choroidal vascular index were statistically significantly decreased in the patient group (p<0.001, p=0.001, p=0.001, and p=0.003; respectively). At 4 months after remission, the choroidal structural parameters and choroidal vascular index revealed statistically significant increases as compared with the baseline measurements in the patients with COVID-19 (all p<0.001 and p=0.047, respectively). CONCLUSION The choroidal vascular and stromal parameters showed significant transient decreases during the disease course of COVID-19.
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Affiliation(s)
- Özkan Kocamış
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Lokman Hızmalı
- Department of Infectious Disease and Clinical Microbiology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Nazife Aşıkgarip
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Fikriye Milletli Sezgin
- Department of Medical Microbiology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Özcan G, Temel E, Örnek K, Zerman N, Aşıkgarip N, Kocamış Ö, Ertürk A. Choroidal vascularity index in obstructive sleep apnea syndrome. Sleep Breath 2021; 26:1655-1659. [PMID: 34845628 DOI: 10.1007/s11325-021-02538-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 11/22/2021] [Accepted: 11/25/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND There is growing evidence supporting an association between obstructive sleep apnea syndrome (OSAS) and systemic vascular disorders. However, the data on choroidal microvasculature are limited. In recent years, choroidal thickness (CT) and choroidal vascularity index (CVI) have been of considerable interest as objective markers of choroidal vascularity. We hypothesized that the imbalance of vascular regulation in OSAS may adversely affect the CT and CVI and may help to assess the vascular risk in these patients. PURPOSE This study aimed to evaluate the choroidal morphology in patients with OSAS. MATERIALS AND METHODS Patients with moderate OSAS were included to this study. The subfoveal, nasal, and temporal CT were calculated. The choroidal area (CA) was binarized to the luminal area (LA) and stromal area (SA) using ImageJ software. The CVI was calculated as the proportion of the LA to the total CA. RESULTS Of 40 eyes of 40 patients, the mean subfoveal CT was significantly decreased in the OSAS group in comparison to the controls (p = 0.032). The mean CA, LA, and SA were decreased in the OSAS group compared with the controls, but the differences did not reach a statistical significance (p = 0.132, p = 0.104, and p = 0.184, respectively). The CVI was not significantly changed in patients with OSAS (p = 1.000). CONCLUSION Unlike CT, there were no significant differences in choroidal structural parameters and CVI in patients with OSAS.
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Affiliation(s)
- Gökçen Özcan
- Department of Ophthalmology, Kırşehir Training and Research Hospital, Kırşehir, Turkey
| | - Emine Temel
- Department of Ophthalmology, Kırşehir Training and Research Hospital, Kırşehir, Turkey.
| | - Kemal Örnek
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Nermin Zerman
- Department of Chest Diseases, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Nazife Aşıkgarip
- Department of Ophthalmology, Kırşehir Training and Research Hospital, Kırşehir, Turkey
| | - Özkan Kocamış
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Arzu Ertürk
- Department of Chest Diseases, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Örnek K, Temel E, Kocamış Ö, Aşıkgarip N. Sudden hearing loss after intravitreal aflibercept injection. Arq Bras Oftalmol 2021; 84:622-623. [PMID: 34817029 DOI: 10.5935/0004-2749.20210121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 09/01/2021] [Indexed: 11/20/2022] Open
Affiliation(s)
- Kemal Örnek
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Turkey
| | - Emine Temel
- Department of Ophthalmology, Kırşehir Ahi Evran Training and Research Hospital, Turkey
| | - Özkan Kocamış
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Turkey
| | - Nazife Aşıkgarip
- Department of Ophthalmology, Kırşehir Ahi Evran Training and Research Hospital, Turkey
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Aşıkgarip N, Temel E, Örnek K. Factors effecting the choroidal vascularity index in children with mild to moderate myopia. Photodiagnosis Photodyn Ther 2021; 37:102652. [PMID: 34838699 DOI: 10.1016/j.pdpdt.2021.102652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/29/2021] [Accepted: 11/22/2021] [Indexed: 11/30/2022]
Abstract
PURPOSE To measure the choroidal structural parameters in a population of myopic children and determine the factors effecting the choroidal vascularity index (CVI). METHODS In total, 200 eyes of 200 children (100 females, 100 males) with a mean age of 11.5 ± 1.6 years were included in the study. Macular imaging was performed using EDI mode of spectral domain-optical coherence tomography. Binarization of the choroidal area was performed with ImageJ software. Total choroidal area, luminal area (LA), stromal area (SA), and CVI were automatically calculated. RESULTS The mean choroidal, stromal and luminal areas were measured as 0.952 ± 0.127 mm2, 0.626 ± 0.103 mm2 and 0.325 ± 0.076 mm2, respectively. The mean CVI was 65.81% ± 6.56. Age and the axial length (AL) of the participants were not found to be associated with the LA and the CVI. (r=-0.078, p=0.274, r=0.017, p=0.808, and r=0,051, p=0.474 and r=-0.128, p=0.071, respectively). There was a statistically significant strong association between the LA and CVI measurements and SE of the participants (r=0.736, p=0.001, and r=-0.605; p=0.001). CONCLUSION Age and AL were not associated with the CVI, but SE was significantly associated with the CVI.
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Affiliation(s)
- Nazife Aşıkgarip
- Kırşehir Ahi Evran Training and Research Hospital, Department of Ophthalmology, Kırşehir, Turkey
| | - Emine Temel
- Kırşehir Ahi Evran Training and Research Hospital, Department of Ophthalmology, Kırşehir, Turkey.
| | - Kemal Örnek
- Kırşehir Ahi Evran University School of Medicine, Department of Ophthalmology, Kırşehir, Turkey
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Aşıkgarip N, Temel E, Örnek K, Kıvrak A. Short-term effect of angiotensin-converting enzyme inhibitor on retinal vessel diameter in patients with systemic hypertension. Cutan Ocul Toxicol 2021; 41:49-54. [PMID: 34781786 DOI: 10.1080/15569527.2021.2003379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
PURPOSE To determine the retinal vessel diameter changes after angiotensin-converting enzyme (ACE) inhibitor treatment in a group of hypertensive patients. METHODS This study included 60 treatment-naive hypertensive patients who were treated with ACE inhibitor. Sixty healthy volunteers served as control group. An optical coherence tomography scan protocol including the measurement of peripapillary retinal vessel diameters was performed at baseline and at 1st month. The diameters of superior temporal artery (STA), inferior temporal artery (ITA), superior temporal vein (STV), inferior temporal vein (ITV), superior nasal artery (SNA), inferior nasal artery (INA), superior nasal vein (SNV) and inferior nasal vein (INV) were statistically compared. RESULTS The baseline diameters of the STA, ITA, SNA, and INA were significantly decreased in the patient group compared with the control group (all p < 0.05). There was a significant increase at 1st month after the treatment in comparison to baseline measurements (all p < 0.05). When compared with the controls, only the diameter of SNV showed a significant decrease at baseline (p = 0.031). After the treatment, the diameters of SNV and INV were significantly increased compared with baseline measurements (p = 0.049 and p = 0.035, respectively). There were no significant differences between the control group and the patient group at 1st month (all p > 0.05). CONCLUSION Short-term treatment with ACE inhibitor led to a significant improvement in the retinal vessel diameters of patients with hypertension.
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Affiliation(s)
- Nazife Aşıkgarip
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Ahmet Kıvrak
- Department of Cardiology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
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Temel E, Aşıkgarip N, Örnek K, Kıvrak A. Short-term effect of angiotensin converting enzyme inhibitor on choroidal vascularity. Photodiagnosis Photodyn Ther 2021; 36:102569. [PMID: 34614428 DOI: 10.1016/j.pdpdt.2021.102569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 09/27/2021] [Accepted: 09/30/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE To determine the effect of angiotensin-converting enzyme (ACE) inhibitors on choroidal vascularity using the binarization method in a group of treatment-naïve hypertensive patients. METHODS There were 48 treatment-naive hypertensive patients who were diagnosed according to the "2013 European Society of Hypertension/European Society of Cardiology" guideline and started angiotensin-converting enzyme inhibitor perindopril (Coversyl) in the study. As a control group, 48 healthy volunteers were randomly selected among people who attended the outpatient clinic for routine ophthalmological examination. Enhanced-depth imaging optical coherence tomography (EDI-OCT) images were captured at baseline and at 1 month after treatment. Binarization of the EDI-OCT images was performed by Image-J software. The choroidal thickness (CT), total choroidal area, luminal area, stromal area, and choroidal vascularity index (CVI) were measured. RESULTS There was a statistically significant increase in CT at all locations (subfoveal, nasal, and temporal) at 1 month after treatment compared with baseline (for all, p˂0.001). Choroidal structural parameters and the mean CVI were statistically significantly increased at 1 month after treatment (for all, p˂0.001). When compared, there was no statistically significant difference for the vascular parameters between the control group and the patient group at 1 month (for all, p>0.05). CONLUSION A statistically significant improvement was demonstrated in the choroidal vascular parameters except for the stromal area after treating with an ACE inhibitor in a group of hypertensive patients.
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Affiliation(s)
- Emine Temel
- Kırşehir Ahi Evran Training and Research Hospital, Department of Opthalmology, Kırşehir, Turkey.
| | - Nazife Aşıkgarip
- Kırşehir Ahi Evran Training and Research Hospital, Department of Opthalmology, Kırşehir, Turkey
| | - Kemal Örnek
- Kırşehir Ahi Evran University School of Medicine, Department of Opthalmology, Kırşehir, Turkey
| | - Ahmet Kıvrak
- Kırşehir Ahi Evran Training and Research Hospital, Department of Cardiology, Kırşehir, Turkey
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Abstract
PURPOSE To determine the relation of choroidal structural parameters and body mass index (BMI) in an adult population. METHODS About 144 eyes of 144 healthy individuals were incorporated. There were four groups according to BMI values: Group 1 (⩽18.5), group 2 (18.6-24.9), group 3 (25.0-29.9), and group 4 (30.0-34.9). The enhanced depth imaging optical coherence tomography images were binarized using Image-J software. Choroidal thickness (CT), circumscribed choroidal area (CCA), luminal area (LA), stromal area (SA), and choroidal vascularity index (CVI) were calculated. RESULTS Mean subfoveal, nasal, and temporal CT were lower in group 4 rather than group 1 (p = 0.032, p = 0.001, and p < 0.001, respectively). Mean nasal and temporal CT also showed a decrease in group 4 as compared to group 2 (p = 0.04 and p = 0.039). Mean CCA and LA were decreased in group 4 in comparison to group 3 (p = 0.001 and p = 0.001), group 2 (p < 0.001 and p < 0.001), and group 1 (p = 0.001 and p < 0.001). Mean SA showed a decrease only in group 3 rather than group 2 (p = 0.021) and group 1 (p = 0.008). Mean CVI was decreased in group 3 and group 4 in comparison to group 1 (p < 0.001 and p < 0.001) and group 2 (p = 0.002 and p < 0.001). CONCLUSION Increased BMI percentile was associated with a decrease in CT and structural parameters.
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Affiliation(s)
- Emine Temel
- Kırşehir Training and Research Hospital, Kırşehir, Turkey
| | | | - Kemal Örnek
- Kırşehir Ahi Evran University Medical Faculty, Kırşehir, Turkey
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Temel E, Örnek K, Aşıkgarip N. Choroidal structural changes determined by the binarization method after intravitreal aflibercept treatment in neovascular age-related macular degeneration. Int J Ophthalmol 2021; 14:1213-1217. [PMID: 34414086 DOI: 10.18240/ijo.2021.08.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 02/05/2021] [Indexed: 11/23/2022] Open
Abstract
AIM To assess the choroidal structural alterations after intravitreal injection of aflibercept in neovascular age-related macular degeneration (nAMD). METHODS Fifty eyes with treatment-naïve nAMD were evaluated at baseline, 3rd, and 12th month. Fifty eyes of 50 healthy subjects were also included as controls. Choroidal thickness (CT) was measured in the subfoveal region. Total circumscribed choroidal area (CA), luminal area (LA), stromal area (SA), and choroidal vascularity index (CVI) was calculated using Image J. RESULTS At baseline, subfoveal CT was increased in nAMD patients compared to controls (P=0.321). Eyes with nAMD had a significantly increased total circumscribed CA and SA (P=0.041, 0.005, respectively). The CVI was decreased (P=0.038). In the 3rd month, the subfoveal CT, LA, and CVI revealed a decrease (P=0.005, P=0.039, 0.043, respectively). In the 12th month, subfoveal CT, LA, and CVI were decreased in comparison to baseline measures (P<0.001, 0.006, 0.010, respectively). CONCLUSION Significant structural alterations are found after intravitreal aflibercept treatment during the 12-month follow-up, in particular at the third month, in eyes with nAMD.
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Affiliation(s)
- Emine Temel
- Ophthalmology Clinic, Kırşehir Training and Research Hospital, Kırşehir 40100, Turkey
| | - Kemal Örnek
- Ophthalmology Clinic, Ahi Evran University Medical School, Kırşehir 40100, Turkey
| | - Nazife Aşıkgarip
- Ophthalmology Clinic, Kırşehir Training and Research Hospital, Kırşehir 40100, Turkey
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Aşıkgarip N, Temel E, Kıvrak A, Örnek K. Choroidal structural changes and choroidal vascularity index in patients with systemic hypertension. Eur J Ophthalmol 2021; 32:2427-2432. [PMID: 34313148 DOI: 10.1177/11206721211035615] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE To assess the impact of systemic hypertension on the choroidal structure and choroidal vascularity index (CVI). METHODS This prospective cross-sectional study comprised 50 eyes of 50 treatment-naive hypertensive patients and 50 eyes of 50 healthy subjects. Choroidal thickness (CT) was measured in the subfoveal region, 1500 µm nasal to the fovea, and 1500 µm temporal to the fovea. Binarization of the enhanced depth-optical coherence tomography images was performed with Image-J software. The CT, choroidal area (CA), luminal area (LA), and CVI were compared statistically. RESULTS The mean subfoveal, nasal, and temporal CT were decreased in the patient group (p 0.003, 0.026, and 0.001, respectively). The mean CA, LA, and CVI were decreased in the patient group in comparison to controls (p = 0.047, 0.009, and 0.016 respectively). The correlation between the subfoveal CT and systolic blood pressure was significant (r = -0.450, p < 0.001). There was a significant correlation between the systolic blood pressure and CVI (r = -0.401, p < 0.001). CONCLUSION The significant decrease in the structural parameters and CVI show that choroid is affected in patients with treatment-naive hypertension.
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Affiliation(s)
- Nazife Aşıkgarip
- Department of Opthalmology, Kırşehir Training and Research Hospital, Kirsehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Training and Research Hospital, Kirsehir, Turkey
| | - Ahmet Kıvrak
- Department of Cardiology, Kırşehir Training and Research Hospital, Kirsehir, Turkey
| | - Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kirsehir, Turkey
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Örnek K, Temel E, Özcan G, Kocamış Ö, Aşıkgarip N. Short-term changes in ganglion cell complex in patients with COVID-19 treated with hydroxychloroquine. Arq Bras Oftalmol 2021; 84:408-409. [PMID: 34287520 DOI: 10.5935/0004-2749.202100107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 04/06/2021] [Indexed: 11/20/2022] Open
Affiliation(s)
- Kemal Örnek
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Emine Temel
- Department of Ophthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Gökçen Özcan
- Department of Ophthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Özkan Kocamış
- Department of Ophthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Nazife Aşıkgarip
- Department of Ophthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
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Aşikgarip N, Temel E, Örnek K. Macular ganglion cell complex changes in eyes treated with aflibercept for neovascular age-related macular degeneration. Photodiagnosis Photodyn Ther 2021; 35:102383. [PMID: 34102332 DOI: 10.1016/j.pdpdt.2021.102383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/23/2021] [Accepted: 06/03/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND To evaluate the effect of intravitreal aflibercept injection on macular ganglion cell complex (GCC) in patients with neovascular age-related macular degeneration (nAMD). METHODS In total, 36 eyes of 36 treatment-naïve patients with nAMD (18 female and 18 male) and 36 eyes of 36 healthy subjects (20 female and 16 male) as controls were included in this retrospective study. Spectral-domain optical coherence tomography images were evaluated after each injection for 3 months and at 12 months. Mean GCC thickness of the center, inner ring, and outer ring of the ETDRS grid was automatically quantified. RESULTS Mean foveal thickness was statistically significantly decreased at 3 months and at 12 months compared with baseline in the patient group. Ganglion cell layer thickness in the center was statistically significantly decreased in eyes with nAMD at baseline. There was a statistically significant decrease for mean retinal nerve fiber layer, ganglion cell layer, and inner plexiform layer thickness at 12 months compared with baseline. CONCLUSIONS Macular GCC thickness was decreased after intravitreal aflibercept injection in patients with nAMD, in particular at 12 months.
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Affiliation(s)
- Nazife Aşikgarip
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey.
| | - Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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21
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Örnek K, Temel E, Kocamış Ö, Aşıkgarip N, Hızmalı L. Anterior segment parameters in patients with coronavirus disease. Arq Bras Oftalmol 2021; 84:301-302. [PMID: 34037127 DOI: 10.5935/0004-2749.20210087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 01/18/2021] [Indexed: 11/20/2022] Open
Affiliation(s)
- Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Özkan Kocamış
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Nazife Aşıkgarip
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Lokman Hızmalı
- Department of Infectious Disease and Clinical Microbiology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Kocamış Ö, Örnek K, Aşıkgarip N, Hızmalı L, Sezgin FM, Şahin Y. Evaluation of Nasopharyngeal and Conjunctival Swab Samples of Hospitalised Patients with Confirmed COVID-19. Ocul Immunol Inflamm 2021; 29:634-637. [PMID: 33661070 DOI: 10.1080/09273948.2020.1838558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE To evaluate the results of conjunctival and nasopharyngeal swab tests in patients with confirmed COVID-19. METHODS This prospective study included 45 patients who were hospitalized for confirmed COVID-19. Nasopharyngeal swab samples were obtained from the patients before hospitalization. Only one eye of each patient was randomly selected for-conjunctival sampling. All participants underwent a complete slit-lamp examination. Conjunctival and nasopharyngeal swab samples were analyzed by reversetranscriptase-polymerase-chain reaction (RT-PCR). RESULTS Twenty seven (60%) of the patients were male and 18 (40%) were female. Conjunctival swab was positive in only one (2.22%) patient. None of the COVID-19 patients showed ocular changes and symptoms. There were no abnormalities of the ocular surface, anterior chamber or posterior segment at slit-lamp examination. CONCLUSIONS The RT-PCR was not high positive in the conjunctiva as in nasopharyngeal swabs. Ocular changes were not common in COVID-19 patients.
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Affiliation(s)
- Özkan Kocamış
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Nazife Aşıkgarip
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Lokman Hızmalı
- Department of Infectious Disease and Clinical Microbiology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Fikriye Milletli Sezgin
- Department of Medical Microbiology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Yahya Şahin
- Department of Emergency Medicine, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Abstract
Purpose: To evaluate the longitudinal changes in retinal vessel diameters in patients with coronavirus disease 2019 (COVID-19).Methods: This study included 25 patients with COVID-19 (Group 1) and 25 healthy subjects (Group 2). The diameters of peripapillary temporal and nasal retinal arteries and veins were measured at baseline and at 4 months after remission.Results: The baseline diameters of the inferior temporal vein and the artery were increased in group 1 compared to controls (p = .007 and p = .041, respectively). There was also an increase in the diameters of the inferior and superior nasal veins and arteries in group 1 at baseline (p = .001, p = .019, p = .037, and p = .008, respectively). Retinal vessel diameters decreased after remission in all quadrants in comparison to baseline measurements (all p < .05).Conclusion: Increased retinal vessel diameters were measured in COVID-19 patients during the disease. Measurement of retinal vessel diameters may be a noninvasive method of estimating the vascular risk.
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Affiliation(s)
- Nazife Aşıkgarip
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Lokman Hızmalı
- Department of Infectious Disease and Clinical Microbiology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Örnek K, Temel E, Aşıkgarip N, Kocamış Ö. Localized retinal nerve fiber layer defect in patients with COVID-19. Arq Bras Oftalmol 2021; 83:562-563. [PMID: 33470286 DOI: 10.5935/0004-2749.20200109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 08/11/2020] [Indexed: 11/20/2022] Open
Affiliation(s)
- Kemal Örnek
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
| | - Emine Temel
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Nazife Aşıkgarip
- Department of Opthalmology, Kırşehir Ahi Evran Training and Research Hospital, Kırşehir, Turkey
| | - Özkan Kocamış
- Department of Opthalmology, Kırşehir Ahi Evran University School of Medicine, Kırşehir, Turkey
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Oğurel T, Oğurel R, Gökçınar NB, Onaran Z, Örnek N, Örnek K. Comparison of the Neodymium-doped Yttrium Aluminum Garnet Capsulotomy Rate with Viscoimplantation and the Hydroimplantation Intraocular Lens Technique. Korean J Ophthalmol 2019; 33:222-227. [PMID: 31179653 PMCID: PMC6557793 DOI: 10.3341/kjo.2018.0122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/03/2019] [Accepted: 01/12/2019] [Indexed: 11/23/2022] Open
Abstract
PURPOSE To investigate the rate of neodymium-doped yttrium aluminum garnet (Nd:YAG) laser capsulotomy in the hydroimplantation intraocular lens (IOL) technique. METHODS This retrospective study was comprised of 6,192 eyes in 3,790 patients who underwent surgery from January 2013 to September 2017 and then were followed up for at least 1 year. The eyes of these patients were divided into two groups: either viscoimplantation or hydroimplantation. The follow-up examinations were carried out on the 1st day, 4th day, 1st month, and 3 months to 1 year postoperatively. The Nd:YAG capsulotomy rates were evaluated by the different IOL implantation techniques and IOL materials. RESULTS The mean follow-up duration of the patients was in the viscoimplantation group 14.85 ± 2.43 and 15.05 ± 1.93 months in the hydroimplantation group. The Nd:YAG capsulotomy rate was significantly lower in the hydroimplantation group compared with the viscoimplantation group for the entire hydrophilic IOL model (p < 0.001). In addition, the Nd:YAG rate was lower in the hydroimplantation group that used a hydrophilic IOL than it was in the viscoimplantation group, which used a hydrophobic IOL. CONCLUSIONS The hydroimplantation technique reduced the Nd:YAG capsulotomy rate.
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Affiliation(s)
- Tevfik Oğurel
- Department of Ophthalmology, Kırıkkale University Medical Faculty, Kırıkkale, Turkey.
| | | | | | - Zafer Onaran
- Department of Ophthalmology, Kırıkkale University Medical Faculty, Kırıkkale, Turkey
| | - Nurgül Örnek
- Department of Ophthalmology, Kırıkkale University Medical Faculty, Kırıkkale, Turkey
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Örnek N, Örnek K, Ogurel T. Limbal stem cell defficiency associated with primary adrenocortical insufficiency. GMS Ophthalmol Cases 2019; 9:Doc02. [PMID: 30828512 PMCID: PMC6381395 DOI: 10.3205/oc000091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Objective: To report a female patient with bilateral limbal stem cell deficiency (LSCD) due to primary adrenocortical insufficiency (PAI). Methods: Case report Results: A 40-year-old female patient had blurry vision, foreign body sensation, tearing, and photophobia for several years. On examination, corneal epithelial haze, surface irregularity, and superficial neovascularization were observed. There was a dull and irregular reflex from the conjunctivalized corneal surface. Medical history revealed that she had a diagnosis of PAI for 11 years and received hormone replacement (fludrocortisone acetate) therapy. With the clinical presentation and examination, the diagnosis was compatible with LSCD. Frequent ocular lubricant and topical steroid drops were initially started and topical cyclosporine treatment was planned for the long term. After 3 weeks, there was no corneal superficial neovascularization and epithelial haze, peripheral stromal haze was still observed. Conclusion: LSCD may rarely be associated with PAI. In patients with LSCD, systemic evaluation should be made to rule out PAI.
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Affiliation(s)
- Nurgül Örnek
- Department of Ophthalmology, School of Medicine, Kırıkkale University, Yahşihan, Turkey
| | - Kemal Örnek
- Department of Ophthalmology, Kudret Eye Hospital, Ankara, Turkey
| | - Tevfik Ogurel
- Department of Ophthalmology, School of Medicine, Kırıkkale University, Yahşihan, Turkey
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Oğurel T, Örnek K, Oğurel R, Onaran Z. Diyabetik Retinopatili Gözlerde Katarakt Ameliyatı Sonunda Ön Kamaraya Deksametazon Verilmesinin Makula Ödemi Üzerine Etkisi. Journal of Health Sciences and Medicine 2019. [DOI: 10.32322/jhsm.491881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Oğurel T, Oğurel R, Onaran Z, Örnek K. 0.1% Nepafenac reduces pain and increases patient comfort during cataract surgery. Cont Lens Anterior Eye 2018; 41:448-451. [DOI: 10.1016/j.clae.2018.05.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 04/02/2018] [Accepted: 05/14/2018] [Indexed: 11/16/2022]
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Güler HA, Örnek N, Örnek K, Büyüktortop Gökçınar N, Oğurel T, Yumuşak ME, Onaran Z. Effect of dexamethasone intravitreal implant (Ozurdex®) on corneal endothelium in retinal vein occlusion patients : Corneal endothelium after dexamethasone implant injection. BMC Ophthalmol 2018; 18:235. [PMID: 30180837 PMCID: PMC6122223 DOI: 10.1186/s12886-018-0905-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Accepted: 08/28/2018] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND To assess corneal endothelial cell changes after intravitreal dexamethasone (DEX) implant (Ozurdex®) injection in patients with macular edema secondary to retinal vein occlusion (RVO). METHODS Twenty-two eyes of 22 patients were assessed prospectively after intravitreal 0.7 mg DEX implant injection. Twenty-two eyes of 22 healthy volunteers served as control group. Corneal endothelial cell parameters including endothelial cell density (ECD), coefficient of variation of cell size (CV), percentage of hexagonality (Hex) and central corneal thickness (CCT) were analyzed before and 1 and 3 months after injection by specular microscopy. The results of the study were compared statistically. RESULTS There were 17 (77.3%) patients with branch RVO and 5 (22.7%) patients with central RVO. Mean intraocular pressure (IOP) was 14.73 mmHg before injection, 17.05 mmHg at 1 month and 17.15 mmHg at 3 months after injection. Mean IOP at 1 and 3 months were significantly higher than pre-injection value (p = 0.002 and p = 0.003, respectively). There was a statistically significant reduction in mean ECD at 3 months after injection compared to pre-injection and 1 month (p = 0.013, p = 0.009, respectively) in the injected eyes. Mean ECD showed no significant difference in the uninjected fellow eyes during the follow up (p>0.05). Mean CV and Hex did not reveal a statistically significant difference in injected and uninjected fellow eyes (p > 0.05). No significant change was observed in mean CCT values during the follow up (p = 0.8). CONCLUSION Intravitreal dexamethasone implant may cause a transient reduction in corneal endothelial cell density in short term without changing cell morphology.
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Affiliation(s)
- Hatice Ayhan Güler
- Department of Ophthalmology, Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkey
- Department of Ophthalmology, Bayburt State Hospital, Bayburt, Turkey
| | - Nurgül Örnek
- Department of Ophthalmology, Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Kemal Örnek
- Department of Ophthalmology, Kudret Eye Hospital, Ankara, Turkey
| | | | - Tevfik Oğurel
- Department of Ophthalmology, Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Mehmet Erhan Yumuşak
- Department of Ophthalmology, Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Zafer Onaran
- Department of Ophthalmology, Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkey
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Örnek N, Örnek K, Oğurel T, Büyüktortop Gökçınar N. Cystoid macular edema following selective laser trabeculoplasty in a patient with ocular hypertension. Int Ophthalmol 2018; 39:1891-1893. [PMID: 30105491 DOI: 10.1007/s10792-018-1000-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 08/09/2018] [Indexed: 11/28/2022]
Abstract
PURPOSE Presentation of a case with ocular hypertension who developed cystoid macular edema (CME) following selective laser trabeculoplasty (SLT). CASE REPORT A 62-year-old male patient who had undergone phacoemulsification surgery for traumatic cataract 9 years ago was on ocular hypertension treatment for the last 5 years. Due to uncontrolled intraocular pressure and side effect of medications, a 360° SLT was performed. The patient returned with decrased visual acuity 1 week after the procedure. There was CME in the treated eye. It healed completely after topical prednisolone acetate QID and nepafenac QID for 1 week, and no recurrence was observed during follow-ups. CONCLUSION Cystoid macular edema may occur following SLT treatment in patients with previous traumatic cataract surgery which responds to topical treatment.
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Affiliation(s)
- Nurgül Örnek
- Department of Ophthalmology, Faculty of Medicine, Kırıkkale University, Yahşihan, Kırıkkale, Turkey.
| | - Kemal Örnek
- Department of Ophthalmology, Kudret Eye Hospital, Ankara, Turkey
| | - Tevfik Oğurel
- Department of Ophthalmology, Faculty of Medicine, Kırıkkale University, Yahşihan, Kırıkkale, Turkey
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Örnek N, Örnek K. The use of selective laser trabeculoplasty to treat glaucoma. Expert Review of Ophthalmology 2018. [DOI: 10.1080/17469899.2018.1503533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Nurgül Örnek
- Department of Ophthalmology, School of Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Kemal Örnek
- Department of Ophthalmology, Kudret Eye Hospital, Ankara, Turkey
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Affiliation(s)
- K. Örnek
- Department of Ophthalmology School of Medicine, Kirikkale University, Kirikkale - Turkey
| | - R. Güllü
- Department of Ophthalmology School of Medicine, Kirikkale University, Kirikkale - Turkey
| | - T. Oğurel
- Department of Ophthalmology School of Medicine, Kirikkale University, Kirikkale - Turkey
| | - A. Ergın
- Department of Ophthalmology School of Medicine, Kirikkale University, Kirikkale - Turkey
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Örnek N, Örnek K. Corneal endothelial changes following a single session of selective laser trabeculoplasty for pseudoexfoliative glaucoma. Int Ophthalmol 2017; 38:2327-2333. [DOI: 10.1007/s10792-017-0730-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 10/04/2017] [Indexed: 12/19/2022]
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Inal M, Tan S, Demirkan S, Burulday V, Gündüz Ö, Örnek K. Evaluation of Optic Nerve with Strain and Shear Wave Elastography in Patients with Behçet's Disease and Healthy Subjects. Ultrasound Med Biol 2017; 43:1348-1354. [PMID: 28450035 DOI: 10.1016/j.ultrasmedbio.2017.03.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 03/14/2017] [Accepted: 03/17/2017] [Indexed: 06/07/2023]
Abstract
The objective of this study was to investigate the elasticity characteristics of the optic nerve using strain and shear wave elastography in patients with Behçet's disease and to compare the results with those of healthy volunteers. Forty-six optic nerves from patients with Behçet's disease and 54 optic nerves from healthy volunteers were investigated prospectively in this study using strain and shear wave elastography. There was a statistically significant difference in terms of elasticity patterns between patients and healthy volunteers (p < 0.001). Elastographic images of healthy volunteers revealed most optic nerves to be type 3 (51.8%); however, type 2 (40.7%) and type 1 (7.5%) were also observed. Elastographic examination of Behçet's disease patients revealed type 2 in 52.2%, type 1 in 43.5% and type 3 in 4.3% of patients. Statistically significant differences were observed between patients and healthy volunteers in the analysis of shear wave elastography values (p < 0.001). Receiver operating characteristic curve analysis was perfect (0.933) (95% CI = 0.885-0.980), and a cutoff value of 16.5 kPa shear had very high sensitivity and specificity for the patient group. Strain and shear wave elastography findings for the optic nerves of patients with Behçet's disease were significantly different from those for healthy volunteers.
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Affiliation(s)
- Mikail Inal
- Department of Radiology, Faculty of Medicine, Kirikkale University, Yahsihan, Kirikkale, Turkey.
| | - Sinan Tan
- Department of Radiology, Faculty of Medicine, Kirikkale University, Yahsihan, Kirikkale, Turkey
| | - Serkan Demirkan
- Department of Dermatology and Venerology, Faculty of Medicine, Kirikkale University, Yahsihan, Kirikkale, Turkey
| | - Veysel Burulday
- Department of Radiology, Faculty of Medicine, Kirikkale University, Yahsihan, Kirikkale, Turkey
| | - Özgür Gündüz
- Department of Dermatology and Venerology, Faculty of Medicine, Kirikkale University, Yahsihan, Kirikkale, Turkey
| | - Kemal Örnek
- Department of Ophtalmology, Faculty of Medicine, Kirikkale University, Yahsihan, Kirikkale, Turkey
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Oğurel T, Oğurel R, Onaran Z, Örnek K. Safety of hydroimplantation in cataract surgery in patients with pseudoexfoliation syndrome. Int J Ophthalmol 2017; 10:723-727. [PMID: 28546927 DOI: 10.18240/ijo.2017.05.10] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Accepted: 12/01/2016] [Indexed: 11/23/2022] Open
Abstract
AIM To evaluate the safety of hydroimplantation in cataract surgery in patients with pseudoexfoliation syndrome. METHODS This prospective randomized study comprised 100 eyes of 100 consecutive patients who underwent cataract surgery and implantation of foldable intraocular lens (IOL). Each eye was assigned to group 1 or group 2. Hydroimplantation without using viscoelastic agent as group 1 (n=50), and hydroxypropylmethylcellulose (Eyevisc, Biotech, India) was used in group 2 (n=50). RESULTS There were no statistically significant differences in central corneal thickness (CCT) and corneal endothelial cell count (ECC) between both groups at each visit and percentage change in CCT and ECC (P>0.05). The mean intraocular pressure (IOP) at postoperative 5h increased statistically significantly in group 2 (P<0.001). There was no statistically significant difference in IOP between two groups, before and after surgery excluding the 24h postoperative IOP, but patients in group 2 had higher IOP than that in the group 1 at 24h after surgery (P=0.035). No case in either group experienced posterior capsular rupture, or zonular dialysis. Fixation of the globe during IOL implantation was better in group 1 than that in group 2. CONCLUSION Hydroimplantation has advantages in terms of IOP changes and duration of the surgery and seems to be safe in patients with pseudoexfoliation syndrome.
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Affiliation(s)
- Tevfik Oğurel
- Department of Ophthalmology, Kirikkale University School of Medicine, Kirikkale University Campus, Ankara 71100, Yahsihan, Turkey
| | - Reyhan Oğurel
- Department of Ophthalmology, Kirikkale University School of Medicine, Kirikkale University Campus, Ankara 71100, Yahsihan, Turkey
| | - Zafer Onaran
- Department of Ophthalmology, Kirikkale University School of Medicine, Kirikkale University Campus, Ankara 71100, Yahsihan, Turkey
| | - Kemal Örnek
- Department of Ophthalmology, Kirikkale University School of Medicine, Kirikkale University Campus, Ankara 71100, Yahsihan, Turkey
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İnal M, Tan S, Yumusak EM, Şahan MH, Alpua M, Örnek K. Evaluation of the optic nerve using strain and shear wave elastography in patients with multiple sclerosis and healthy subjects. Med Ultrason 2017; 19:39-44. [PMID: 28180195 DOI: 10.11152/mu-939] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
AIMS Our aim was to evaluate the elasticity features of the optic nerve using strain (SE) and shear wave elastography (SWE) in multiple sclerosis (MS) patients in comparison with healthy subjects. MATERIAL AND METHODS One hundred and seven optic nerves from 54 MS patients and 118 optic nerves from 59 healthy subjects were examined prospectively by SE and SWE. Optic nerves were divided into three types in accordance to the elasticity designs, as follows: type 1 predominantly blue (hardest tissue); type 2 predominantly blue/green (hard tissue); and type 3 predominantly green (intermediate tissue). Quantitative measurements of optic nerve hardness with SWE were analyzed in kilopascals. RESULTS Elastographic images from healthy volunteers showed mostly type 3 optic nerves (61.9%); type 2 was also found (38.1%), but type 1 was not observed. Elastographic examination of MS patients showed mostly type 2 optic nerves (88%), while some type 1 (4.6%) and type 3 optic nerves (6.5%) were rarely observed. There was a statistically significant difference in terms of elasticity patterns between patients and healthy volunteers (p<0.001). Statistically significant differences were observed between patients and healthy volunteers in the analysis of SWE values (10.381±3.48 kPa and 33.87±11.64 p<0.001). The receiver operating characteristic curve analysis was perfect (0.993; 95% confidence interval [CI]=0.971-0.999), and a cut-off value of 18.3 kPa shear had very high sensitivity and specificity for the patient group. No significant differences were observed between patients with and without previous optic neuritis. CONCLUSION SE and SWE examination findings concerning the optic nerve in MS patients demonstrated remarkable differences according to the healthy group.
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Affiliation(s)
- Mikail İnal
- Department of Radiology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey
| | - Sinan Tan
- Department of Radiology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey.
| | - Erhan M Yumusak
- Department of Ophtalmology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey
| | - Mehmet Hamdi Şahan
- Department of Radiology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey
| | - Murat Alpua
- Department of Neurology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey
| | - Kemal Örnek
- Department of Ophtalmology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey
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Örnek N, Örnek K, Erbahçeci İE. Intravitreal Dexamethasone Implant (Ozurdex) for Refractory Macular Edema Secondary to Retinitis Pigmentosa. Turk J Ophthalmol 2016; 46:179-181. [PMID: 28058154 PMCID: PMC5200824 DOI: 10.4274/tjo.60437] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Accepted: 10/07/2014] [Indexed: 12/01/2022] Open
Abstract
Macular edema (ME) in retinitis pigmentosa (RP) often impairs central vision dramatically. A 41-year-old woman diagnosed with RP was referred to our outpatient clinic due to severe visual deterioration in both eyes. The patient was treated with topical carbonic anhydrase inhibitors, topical corticosteroids and intravitreal triamcinolone acetonide injections, but her ME recurred. Intravitreal 0.7 mg dexamethasone implant (Ozurdex, Allergan) was administered into both eyes without complications. On the fourth day after both injections, visual acuity improved and ME almost totally resolved. No recurrence was observed at follow-up six months later.
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Affiliation(s)
- Nurgül Örnek
- Kırıkkale University Faculty of Medicine, Department of Ophthalmology, Kırıkkale, Turkey
| | - Kemal Örnek
- Kırıkkale University Faculty of Medicine, Department of Ophthalmology, Kırıkkale, Turkey
| | - İnci Elif Erbahçeci
- Kırıkkale University Faculty of Medicine, Department of Ophthalmology, Kırıkkale, Turkey
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Örnek N, Örnek K, Aydin S, Yilmaz M, Ölmez Y. Serum vascular endothelial growth factor receptor-2 and adropin levels in age-related macular degeneration. Int J Ophthalmol 2016; 9:556-60. [PMID: 27162728 DOI: 10.18240/ijo.2016.04.13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 07/20/2015] [Indexed: 12/16/2022] Open
Abstract
AIM To investigate the serum levels of vascular endothelial growth factor receptor-2 (VEGFR-2) and adropin in age-related macular degeneration (AMD) patients. METHODS Ninety-eight AMD patients were included in the study. Seventy-eight age- and sex-matched healthy volunteers were recruited as the control group. Fundus florescein angiography and optical coherence tomography were performed to assess the posterior segment details. Serum VEGFR-2 and adropin levels were measured using enzyme-linked immunosorbent assays and compared between the study groups. RESULTS AMD group had significantly increased foveal retinal thickness, serum LDL and HDL levels and significantly decreased subfoveal choroidal thickness (P =0.01, 0.047, 0.025 and <0.001, respectively). Serum VEGFR-2 level revealed a significant decrease in AMD patients compared to controls (26.48±6.44 vs 30.42±7.92 ng/mL, P<0.001). There was an insignificant increase in serum adropin level in AMD patients (6.17±3.19 vs 5.79±2.71 ng/mL, P=0.4). Serum level of VEGFR-2 in AMD patients had a significant negative correlation with foveal retinal thickness (r=-0.226, P=0.025) and a significant positive correlation with subfoveal choroidal thickness (r=0.2, P=0.048). CONCLUSION The current study demonstrated that the decreased serum VEGFR-2 level may be considered in the development of AMD. Adropin does not seem to play a role in the pathogenesis of AMD.
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Affiliation(s)
- Nurgül Örnek
- Department of Ophthalmology, School of Medicine, Kirikkale University, Kirikkale 71450, Turkey
| | - Kemal Örnek
- Department of Ophthalmology, School of Medicine, Kirikkale University, Kirikkale 71450, Turkey
| | - Süleyman Aydin
- Department of Biochemistry, School of Medicine, Firat University, Elazig 23300, Turkey
| | - Musa Yilmaz
- Department of Biochemistry, School of Medicine, Firat University, Elazig 23300, Turkey
| | - Yaşar Ölmez
- Department of Ophthalmology, School of Medicine, Kirikkale University, Kirikkale 71450, Turkey
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Oğurel T, Oğurel R, Özer MA, Türkel Y, Dağ E, Örnek K. Mini-mental state exam versus Montreal Cognitive Assessment in patients with diabetic retinopathy. Niger J Clin Pract 2016; 18:786-9. [PMID: 26289518 DOI: 10.4103/1119-3077.163274] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Mini-mental state exam (MMSE) was used several times but no study has examined cognition on the Montreal Cognitive Assessment (MoCA) in diabetes and diabetic retinopathy (DR). In this study, we compared MMSE with MoCA in patients with DR and searched for an association between the severity of DR and cognitive impairment (CI). METHODS This cross-sectional study comprised 120 consecutive patients with diabetes. Patients were divided into four groups as no DR, mild DR, severe nonproliferative DR (PDR) and PDR. Each group consisted 30 inviduals. CI was assessed using the MMSE and MoCA. RESULTS The number of subjects with a score>21 were significantly lower on the MoCA than on the MMSE between groups (all P<0.05). The mean MoCA score was significantly lower than the MMSE score (P<0.001) There was a linear association between the grade of DR and a score<21 on both tests, CONCLUSION MoCA provides more insight into the cognitive function in DR.
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Affiliation(s)
- T Oğurel
- Department of Ophthalmology, Medical Faculty, Giresun University, Giresun, Turkey
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Örnek N, Karabulut AA, Örnek K, Onaran Z, Usta G. Corneal and conjunctival sensitivity in rosacea patients. Saudi J Ophthalmol 2016; 30:29-32. [PMID: 26949355 PMCID: PMC4759513 DOI: 10.1016/j.sjopt.2015.09.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Revised: 08/20/2015] [Accepted: 09/03/2015] [Indexed: 01/20/2023] Open
Abstract
Purpose To assess corneal and conjunctival sensitivity in rosacea patients. Methods A total of 55 patients with rosacea and 37 control subjects participated in the study. Corneal and conjunctival sensitivity was determined by Cochet-Bonnet esthesiometer. Subjective symptoms of ocular dryness were evaluated using Ocular Surface Disease Index (OSDI). Schirmer’s I test (ST), tear breakup time (tBUT) and ocular surface staining with fluorescein were carried out to measure objective signs. Results The mean corneal and conjunctival sensitivity did not differ significantly between rosacea patients and controls (all p > 0.05). Schirmer’s I test and tBUT were significantly reduced (p = 0.004 for OD and p < 0.001 for OS) and grade of ocular surface staining was significantly high (p = 0.018 for OD and p = 0.038 for OS) in rosacea patients. Corneal and conjunctival sensitivity did not show significant correlation with ST, tBUT, ocular surface staining (Oxford Schema), duration of rosacea and OSDI score. Conclusions Corneal and conjunctival sensitivity did not change significantly in rosacea.
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Affiliation(s)
- Nurgül Örnek
- Department of Opthalmology, Kırıkkale University, School of Medicine, Kırıkkale, Turkey
| | - Ayşe Anıl Karabulut
- Department of Dermatology and Venereology, Kırıkkale University, School of Medicine, Kırıkkale, Turkey
| | - Kemal Örnek
- Department of Opthalmology, Kırıkkale University, School of Medicine, Kırıkkale, Turkey
| | - Zafer Onaran
- Department of Opthalmology, Kırıkkale University, School of Medicine, Kırıkkale, Turkey
| | - Gülşah Usta
- Department of Opthalmology, Kırıkkale University, School of Medicine, Kırıkkale, Turkey
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Örnek N, Örnek K, Oğurel T, Timur İE. Effect of intravitreal bevacizumab on macular and peripapillary choroidal thickness in injected and fellow eyes of patients with diabetic macular oedema. Acta Ophthalmol 2015; 93:e684-6. [PMID: 25683321 DOI: 10.1111/aos.12700] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nurgül Örnek
- Department of Ophthalmology; Kırıkkale University School of Medicine; Kırıkkale Turkey
| | - Kemal Örnek
- Department of Ophthalmology; Kırıkkale University School of Medicine; Kırıkkale Turkey
| | - Tevfik Oğurel
- Department of Ophthalmology; Kırıkkale University School of Medicine; Kırıkkale Turkey
| | - İnci Elif Timur
- Department of Ophthalmology; Kırıkkale University School of Medicine; Kırıkkale Turkey
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Ogurel T, Onaran Z, Ogurel R, Örnek K. Endophthalmitis after tooth extraction in a patient with previous perforating eye injury. Pan Afr Med J 2015; 20:72. [PMID: 26090030 PMCID: PMC4450044 DOI: 10.11604/pamj.2015.20.72.6080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 01/23/2015] [Indexed: 11/11/2022] Open
Abstract
The aim of this stuty is to describe a case of endophthalmitis after tooth extraction in a patient with previous perforating eye injury. 50 years old male patient attempted to our clinic with complaints of sudden severe pain, reduced vision, light sensitivity and redness in the right eye. The patient stated that severe pain in his eye began approximately 12 hours following tooth extraction. The patient's ocular examination revealed a visual acuity of hand motion in the right eye. Anterior segment examination of the right eye showed intense conjunctival hyperemia, chemosis, a fine keraticprespitat and corneal edema. Dental procedures of the patients who had recently underwent ocular surgery or trauma should be done in a more controlled manner under anti -infective therapy or should be postponed in elective procedures.
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Affiliation(s)
- Tevfik Ogurel
- Kirikkale University Medical Faculty, Department of Ophthalmology, Kirikkale, Turkey
| | - Zafer Onaran
- Kirikkale University Medical Faculty, Department of Ophthalmology, Kirikkale, Turkey
| | - Reyhan Ogurel
- Kirikkale University Medical Faculty, Department of Ophthalmology, Kirikkale, Turkey
| | - Kemal Örnek
- Kirikkale University Medical Faculty, Department of Ophthalmology, Kirikkale, Turkey
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Örnek N, İnal M, Tulmaç ÖB, Özcan-Dağ Z, Örnek K. Ocular blood flow in polycystic ovary syndrome. J Obstet Gynaecol Res 2015; 41:1080-6. [PMID: 25655141 DOI: 10.1111/jog.12673] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Accepted: 12/01/2014] [Indexed: 10/24/2022]
Abstract
AIM The aim of this study was to evaluate whether the presence of polycystic ovary syndrome (PCOS) alters ocular blood flow parameters. MATERIAL AND METHODS Color Doppler imaging of the orbital vessels was performed in 41 eyes of 41 patients with PCOS. Forty-eight eyes of 48 age-matched volunteers served as controls. The ophthalmic artery (OA), the central retinal artery and the posterior ciliary artery were examined. Ocular blood flow indices of the peak systolic velocity, diastolic velocity, end-diastolic velocity, systolic/diastolic ratio, resistive index and pulsatility index were computed. RESULTS The peak systolic velocity, diastolic velocity and end-diastolic velocity of the OA, central retinal artery and posterior ciliary artery were significantly increased in PCOS patients in comparison to the controls (all P < 0.001). The mean systolic/diastolic ratio, resistive index and pulsatility index of the OA in PCOS patients were significantly decreased (all P < 0.05). Ocular blood flow velocity was positively correlated with serum luteinizing hormone, follicle-stimulating hormone and total cholesterol levels. There was a significant negative correlation between serum glucose and insulin levels and ocular blood flow velocity. CONCLUSION Ocular blood flow velocity is increased in PCOS patients and vascular resistance seems to decrease only in the OA.
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Affiliation(s)
- Nurgül Örnek
- Department of Ophthalmology, Kırıkkale University School of Medicine, Kırıkkale, Turkey
| | - Mikail İnal
- Department of Radiology, Kırıkkale University School of Medicine, Kırıkkale, Turkey
| | - Özlem Banu Tulmaç
- Department of Gynecology and Obstetrics, Kırıkkale University School of Medicine, Kırıkkale, Turkey
| | - Zeynep Özcan-Dağ
- Department of Gynecology and Obstetrics, Kırıkkale University School of Medicine, Kırıkkale, Turkey
| | - Kemal Örnek
- Department of Ophthalmology, Kırıkkale University School of Medicine, Kırıkkale, Turkey
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Örnek N, Örnek K, Erbahçeci İE. Corneal and Conjunctival Sensitivity Changes Following Intravitreal Ranibizumab Injection in Diabetic Retinopathy. J Ocul Pharmacol Ther 2015; 31:37-42. [DOI: 10.1089/jop.2014.0017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Nurgül Örnek
- Department of Ophthalmology, Kırıkkale University School of Medicine, Kırıkkale, Turkey
| | - Kemal Örnek
- Department of Ophthalmology, Kırıkkale University School of Medicine, Kırıkkale, Turkey
| | - İnci Elif Erbahçeci
- Department of Ophthalmology, Kırıkkale University School of Medicine, Kırıkkale, Turkey
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Örnek K, Tuglu D, Oğurel R, Örnek N, Yilmaz E, Batislam E. Retinal nerve fiber layer thickness in the acute phase of sildenafil treatment. Eur Rev Med Pharmacol Sci 2015; 19:1564-1567. [PMID: 26004593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To evaluate the early effect of sildenafil on the retinal nerve fiber layer (RNFL) thickness. PATIENTS AND METHODS Sixty eyes of 60 patients were enrolled in the study. The patients underwent RNFL analysis by scanning laser polarimetry (Nerve Fiber Analyzer, GDx VCC:5.3.3; Laser Diagnostic Technologies, San Diego, CA, USA) before and after a single 100 mg dose of sildenafil. Sixty eyes of 60 volunteers of similar age and sex distribution were taken as the control group. The RNFL thickness parameters evaluated included temporal, superior, nasal, inferior, temporal (TSNIT) average, superior average (SA), inferior average (IA), TSNIT standard deviation (SD), and nerve fiber index (NFI). RESULTS The mean age of the patients was 53,52 ± 9,26 years. The mean pre- and post-treatment TSNIT, SA, IA, TSNIT SD, and NFI of the patients were 57.46 ± 4.94 µ versus 56.90 ± 4.59 microns (µ), 68.93 ± 6,12 µ versus 67,79 ± 5,49 µ, 66,71 ± 7.10 µ versus 66.31 ± 6.82 µ, 24 ± 3.86 µ versus 23.40 ± 4.05 µ, and 16.50 ± 6.08 µ versus 14.92 ± 6.76 µ, respectively. There were no statistically significant differences between pre- and post-treatment RNFL thicknesses (p = 0.527, p = 0.281, p = 0.754, p = 0.416, p = 0.185, respectively). CONCLUSIONS A single 100 mg dose of sildenafil seems to have no unfavorable effect on RNFL thickness in the acute phase of treatment.
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Affiliation(s)
- K Örnek
- Department of Ophthalmology, School of Medicine, Kirikkale University, Kirikkale, Turkey.
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Affiliation(s)
- Kemal Örnek
- Department of Ophthalmology, School of Medicine, Kırıkkale University, Kırıkkale, Turkey
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Dag E, Örnek N, Örnek K, Günay F, Türkel Y. Mini mental state exam versus Montreal cognitive assessment in patients with age-related macular degeneration. Eur Rev Med Pharmacol Sci 2014; 18:3025-3028. [PMID: 25392099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To compare the ability of the MMSE and MoCA to identify cognitive dysfunction in patients with age-related macular degeneration (AMD). PATIENTS AND METHODS The study included 81 (29 female, 52 male) AMD patients who were recruited from the Ophthalmology Department of Kırıkkale University during 2012. Participants were screened for cognitive impairment using the MMSE and MoCA. The scores were recorded for all participants. The primary outcome measure was the proportion of patients with a score less than 21 on either test. RESULTS The percentage of subjects who scored below a cut off of 21/30 was higher on the MoCA (48.1%) than on the MMSE (18.5%) (p = 0.05). The range and standard deviation of scores was larger with the MoCA (7-30, 5.34) than with the MMSE (19-30, 3.26). There was a more pronounced ceiling effect of the MMSE than of the MoCA. The mean MMSE scores of dry-and wet-type AMD patients was significantly higher than the MoCA scores of the same patients (p = 0.000 and p = 0.000). CONCLUSIONS The MoCA seems to be more sensitive than the MMSE to early cognitive impairment in AMD patients.
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Affiliation(s)
- E Dag
- Department of Neurology, School of Medicine, Kirikkale University, Turkey.
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Abstract
Rieger syndrome (RS) is a multiple malformation syndrome characterized by ocular manifestations and extraocular defects. Herein, we report a 9-year-old boy who exhibited Rieger Syndrome phenotype as well as congenital hypothyroidism which may be an underappreciated feature of RS.
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Affiliation(s)
- Nurgül Örnek
- a Department of Ophthalmology , Kırıkkale University School of Medicine , Kırıkkale , Turkey
| | - Reyhan Oğurel
- a Department of Ophthalmology , Kırıkkale University School of Medicine , Kırıkkale , Turkey
| | - Kemal Örnek
- a Department of Ophthalmology , Kırıkkale University School of Medicine , Kırıkkale , Turkey
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Örnek K. Letter to the editor, in response to the letter entitled: Mean platelet volume in retinal vein occlusions? Eur Rev Med Pharmacol Sci 2014; 18:3733. [PMID: 25555857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Affiliation(s)
- K Örnek
- Department of Ophthalmology, Kirikkale University, School of Medicine, Kirikkale, Turkey.
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