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Background In high-income countries, the prevalence of blindness and visual impairment is higher among women, regardless of age although the mechanisms that produce these gender inequalities are not well understood. The objectives of this study were to analyse gender inequalities in the prevalence of blindness and visual impairment, age of onset, diagnosed and undiagnosed status and related eye diseases among visually impaired individuals. Methods Data were obtained from the 2008 Spanish Survey on ‘Disability, Personal Autonomy and Dependency Situations’ (n = 213 626) participants 360 blind (160 men and 200 women), and 5560 with some visual impairment (2025 men and 3535 women). The prevalence of blindness and visual impairment, age of onset of visual impairment and diagnosed and undiagnosed eye diseases was calculated. Hierarchical multiple logistic regression models were fit to test gender differences. Results Women were more likely to report visual impairment (crude OR = 1.6 [95% CI: 1.56–1.74]). Prevalence of diagnosed cataract was higher among visually impaired women (crude OR = 1.4 [95% CI: 1.25–1.67]) whereas undiagnosed eye disease (crude OR = 0.7 [95% CI: 0.64–0.81]) or diagnosed glaucoma (aORsex = 0.8 [95% CI: 0.65–0.93]) were more frequent among visually impairment men. These associations were not explained by age or educational level. Conclusions Strong gender inequalities were observed, with a higher prevalence of visual impairment and related cataracts among women, which could be related to gender inequalities in access to health care, and undiagnosed eye disease and related glaucoma among men, which could be related to their gender socialization resulting in less frequent and effectively use of health care services.

The aim of this work is to determine the prevalence of visual impairment in Catalonia and analyze inequalities in vision. Cross sectional study in the population having ≥ 15 years of age (7,881 men and 8,045 women) based on data from the Encuesta de Salud de Cataluña 2006. Logistic regression models were used to calculate the adjusted odds ratio by age, civil state, level of studies, income and working situation with a confidence interval (CI) of 95%. A 4.7% (CI 95% 4.4-5.0) of the population of Catalonia, a 5.3% of female (CI 95% 4.8-5.8), and 4.1% of men (CI 95% 3.7-4.5) state that they have poor vision. The most unfavourable situations of self-reported poor vision by the Catalan population correspond to the elderly and women with lower levels of both studies and income.

The use of visual correction is more prevalent among women than among men, especially in older individuals. The use of optical correction is more common among more advantaged social groups and is associated with particular occupations.

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