Research

Find studies about the impact of vision health.

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366 Research Papers
Prevalence of refractive errors among primary school children in a tropical area, Southeastern Iran New

Published in 2015 Key Highlights: The objective of this study is to determine the prevalence and patterns of refractive errors among primary school children in the age group of 7-12 years in Zahedan District, Southeastern Iran, as a tropical area. Refractive errors affect a large proportion of world’s population, regardless of sex, age and ethnic group. We can easily diagnose, […]

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The prevalence of refractive errors in 5–15 year-old population of two underserved rural areas of Iran New

Published in 2017 Key Highlights: The purpose of this study is to determine the prevalence of hyperopia and myopia and their associations with age and gender in 5- to 15-year-old children in underserved rural areas in Iran. Refractive errors are the leading cause of visual impairment in the world and account for a great share of visual impairment. A review in 2010 by Naidoo stated that 6.8 million […]

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Global and regional estimates of prevalence of refractive errors: Systematic review and meta-analysis New

Published in 2018 Key Highlights: The aim of the study was a systematic review of refractive errors across the world according to the WHO regions. Refractive errors are the most common ocular problem affecting all age groups. They are considered a public health challenge. Recent studies and WHO reports indicate that refractive errors are the […]

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Prevalence and Causes of Vision Impairment and Blindness in Older Adults in Brazil: The São Paulo Eye Study New

Published in 2008 Key Highlights: The purpose of this study is to Investigate prevalence and causes of vision impairment/blindness in older adults in a low-middle income area of São Paulo, Brazil. Cluster sampling, based on geographically defined census sectors, was used in randomly selecting cross-sectionally persons 50 years of age or older. Subjects were enumerated […]

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A comparative assessment of avoidable blindness and visual impairment in seven Latin American countries: prevalence, coverage, and inequality New

Published in 2015 Key Highlights: The objective of this study is to conduct a comparative analysis of social inequalities in eye health and eye health care and generate baseline evidence for seven Latin American countries as a benchmarking exercise for monitoring progress toward three goals of the regional Plan of Action for the Prevention of […]

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