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Cypel MC, Berezovsky A, Fernandes AG, Watanabe SS, Kimie Higashi Mitsuhiro MR, Ferraz NN, Sacai PY, Furtado JM, Morales PH, Muñoz S, Cohen JM, Belfort R, Salomão SR. Regional Disparities in Prevalence and Causes of Visual Impairment and Blindness, Cataract Surgical Coverage and Ocular Findings in Adults 50 Years and Older in Brazil: A Comparative Analysis between Two Population-Based Cross-Sectional Surveys Performed Within a 10-Year Interval. Semin Ophthalmol 2023; 38:656-664. [PMID: 37154578 DOI: 10.1080/08820538.2023.2209164] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/09/2023] [Accepted: 02/17/2023] [Indexed: 05/10/2023]
Abstract
PURPOSE To investigate disparities in the prevalence and causes of visual impairment and blindness, cataract surgical coverage, and ocular findings in older adults from two Brazilian geo-socio-demographic areas, São Paulo and Parintins cities. METHODS Data from two population-based studies including participants 50 years and older from the cities of São Paulo (São Paulo Eye Study - SPES, 2004) and Parintins (Brazilian Amazon Region Eye Survey - BARES, 2014) were aggregated. RESULTS A total of 5318 participants (3677 from SPES;1641 from BARES) were included. The prevalence of severe visual impairment (SVI) and blindness were, respectively, 0.74% (0.46-1.02) and 0.77% (0.48-1.05) in SPES and 1.72% (1.09-2.35) and 3.44% (2.55-4.33) in BARES. SVI and blindness were associated with BARES study [OR = 2.27 (1.30-3.95); p = .004 - SVI] [OR:4.07 (2.51-6.60); p < .001- blindness]; and older age [OR = 10.93 (4.20-28.45); p < .001 - SPES; OR = 17.96 (8.75-36.83); p < .001 - BARES] while higher education level was a protective factor [OR = 0.21 (0.05-0.95) - SPES; p = .042; OR = 0.21 (0.05-0.91); p = .037 - BARES]. Cataract was the main cause of bilateral severe visual impairment (25.93% in SPES and 64.29% in BARES) and bilateral blindness (21.43% in SPES and 35.71% in BARES). Cataract surgical coverage was significantly lower in BARES (36.32%) compared to SPES (57.75%). CONCLUSION The prevalence of SVI and blindness was three times higher in older adults from the Brazilian Amazon compared to those living in São Paulo city, despite a 10-year interval between the two studies. These disparities should be mitigated by initiatives to promote access to eye care services targeting underprivileged and remote Brazilian areas.
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Affiliation(s)
- Marcela Colussi Cypel
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
| | - Adriana Berezovsky
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
| | - Arthur Gustavo Fernandes
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
| | - Sung Song Watanabe
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
| | - Marcia Regina Kimie Higashi Mitsuhiro
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
| | - Nivea Nunes Ferraz
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
| | - Paula Yuri Sacai
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
| | - João Marcello Furtado
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
- Departamento de Oftalmologia, Otorrinolaringologia, Cirurgia de Cabeça e Pescoço, Faculdade de Medicina de Ribeirão Preto, USP, Ribeirão Preto, Brazil
| | - Paulo Henrique Morales
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
| | - Sergio Muñoz
- Department of Public Health-CIGES, Universidad de La Frontera, Temuco, Chile
| | - Jacob Moysés Cohen
- Divisão de Oftalmologia, Departamento de Cirurgia, Faculdade de Medicina da Universidade Federal do Amazonas (UFAM), Manaus, Brazil
| | - Rubens Belfort
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
- Instituto da Visão, Instituto Paulista de Estudos e Pesquisas em Oftalmologia (IPEPO), São Paulo, Brazil
| | - Solange Rios Salomão
- Núcleo de Epidemiologia Ocular, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo - UNIFESP, São Paulo, Brazil
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