Research

Research
Studies and Reports About the Impact of Vision Health

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495 Research Papers
Visual impairment and spectacles ownership among upper secondary school students in northwestern China New

Published in 2020 Key Highlights: The purpose of this study is to assess the prevalence of visual impairment and spectacles ownership among academic and vocational upper secondary school students in rural China. There is a high rate of unmet need in visual care among upper secondary school students. Lack of spectacles ownership among children who […]

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Prevalence of visual impairment and refractive errors in an urban area of Mexico New

Published in 2019 Key Highlights: The study aims at determining the distribution of refractive errors in a school-age population in Quintana Roo (Mexico) in the framework of an international cooperation campaign for the prevention of blindness. A sample of 2647 school-age children (ranging from 5 to 14 years old) with a mean age of 9.1±1.9 […]

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Effect of providing free glasses on children’s educational outcomes in China: cluster randomized controlled trial New

Published in 2014 Key Highlights: The purpose of this study is to assess the effect of provision of free glasses on academic performance in rural Chinese children with myopia in 252 primary schools in two prefectures in western China. Participants were 3177 of 19,934 children in fourth and fifth grades (mean age 10.5 years) with […]

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Prevalence of refractive errors in Colombia: MIOPUR study New

Published in 2018 Key Highlights: The purpose of this study is to determine the prevalence of refractive errors in Colombia and its relations with demographic and socioeconomic variables. A cross-sectional study performed in 10 Colombian administrative districts (MIOPUR study), including children and adolescents from 8 to 17 years old and adults from 35 to 55 […]

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In Plain Sight: Reading Outcomes of Providing Eyeglasses to Disadvantaged Children New

Published in 2018 Key Highlights: Many disadvantaged students with refractive errors, such as myopia (nearsightedness) and hyperopia (farsightedness), do not have eyeglasses, and their reduced vision may impact reading proficiency. Providing eyeglasses may increase their reading success. This article reports the findings of a study in Baltimore City in which disadvantaged second and third graders […]

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