Development of linear grey scale analysis of wrinkle image for the scoring of nasolabial wrinkle severity

Evaluation of Fat Excision versus Sparing in Lower Blepharoplasty Using Orbital Gray Scale Analysis

Orbital septum plication provides various benefits, including eliminating the necessity for a septal incision and the ability to relocate infraorbital fat in a more anatomically suitable manner. This study aimed to compare the results of traditional lower blepharoplasty with fat excision and the orbital septal plication method using orbital grey scale analysis as a new objective method for assessment.

A quantitative, objective method for evaluating the surgical outcomes of baggy eyelid correction using orbital gray scale analysis

BACKGROUND

Baggy lower eyelids (BLEs) are a common cosmetic problem that is treated using various methods. However, validated objective methods for evaluating the treatment are limited.

AIMS

A novel BLE correction procedure, transconjunctival fat resection, and subsequent fat grafting, was assessed using the orbital gray scale (OGS), a previously suggested objective measure for BLEs.

METHODS

All patients were evaluated using both the tear trough rating scale (TTRS), a surgeon-derived evaluation method, and OGS, an objective computer-derived assessment. Changes throughout the surgery and their relationship to clinical characteristics, as well as the association between the two measurements, were statistically analyzed.

RESULTS

A total of 50 patients who underwent surgery were analyzed. No major complications other than wrinkles were observed. All patients showed improvement in both the TTRS scores and OGS values (P < 0.05). Lateral OGS was improved to a greater extent in older patients (P < 0.05). Medial OGS change was associated with improvement of tear trough depression (P < 0.05). Lateral OGS change was related to decreased infraorbital fat herniation (P < 0.05). Total OGS change was related to improvement of both tear trough depression and fat prolapse (P < 0.05).

CONCLUSION

The total OGS change was significantly associated with improvements in tear trough depression and fat bulging. Therefore, it could be a convenient objective evaluation measure for eyelid correction procedures.

Assessment of age- and sex-related changes in baggy lower eyelids using a novel objective image analysis method: Orbital gray scale analysis

BACKGROUND

Baggy lower eyelids (BLEs) are a common aesthetic problem of aging. Valid and reliable assessment tools for BLEs are required to evaluate the current status and treatment outcome.

AIMS

Age- and sex-related changes in BLEs were assessed with the orbital gray scale (OGS), a novel objective image analysis method.

METHODS

We gathered frontal-view photographs of the faces of the patients who sought for correction of BLEs. Based on the clinical pattern, we classified the BLEs of the subjects into medial (M), medial and central (MC), and medial to lateral (MCL) types. Severity was evaluated using the OGS, a modified method of the linear gray scale analysis.

RESULTS

The BLEs of 1034 subjects were classified. The most common types were MCL type in the men and MC type in the women, respectively. The M and MC types were common in the young subjects, whereas the MCL type was more common in the old subjects (P < .001). The measurements of OGS in 104 subjects showed positive correlation with age, a higher mean value in the men, and a trend toward higher values in the order of M, MC, and MCL types (P < .001 for central and lateral OGS scores). In a multiple linear regression analysis, central and lateral OGS values were significantly related with age, sex, and M-C-L classification type (P < .001).

CONCLUSION

The M-C-L classification and OGS were significantly associated with both age and sex, proving that they could be potent objective assessment tools for BLEs.