Elsevier, The Lancet Global Health, Volume 9, February 2021
Background: Many causes of vision impairment can be prevented or treated. With an ageing global population, the demands for eye health services are increasing. We estimated the prevalence and relative contribution of avoidable causes of blindness and vision impairment globally from 1990 to 2020. We aimed to compare the results with the World Health Assembly Global Action Plan (WHA GAP) target of a 25% global reduction from 2010 to 2019 in avoidable vision impairment, defined as cataract and undercorrected refractive error. Methods: We did a systematic review and meta-analysis of population-based surveys of eye disease from January, 1980, to October, 2018. We fitted hierarchical models to estimate prevalence (with 95% uncertainty intervals [UIs]) of moderate and severe vision impairment (MSVI; presenting visual acuity from
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Keywords:
Age Related Macular Degeneration; Aged; Aged, 80 And Over; Aging; Article; Blindness; Cataract; Complication; Controlled Study; Diabetes Mellitus; Diabetic Macular Edema; Diabetic Retinopathy; Disease Burden; Disease Modelling; Ethnicity; Eye Disease; Eye Diseases; Family Planning; Female; Geographic Distribution; Glaucoma; Global Burden Of Disease; Global Disease Burden; Global Health; Health Care Survey; Health Service; Human; Humans; Low Vision; Macular Degeneration; Male; Meta Analysis; Middle Aged; Nonhuman; Phenotype; Prevalence; Refraction Error; Refractive Errors; Systematic Review; Very Elderly; Vision Disorders; Vision, Low; Visual Acuity; Visual Disorder; Visual Field; Visual Impairment; World Health Organization; Global