Prevalence of Amblyopia in School-Aged Children and Variations by Age, Gender, and Ethnicity in a Multi-Country Refractive Error Study
Ou Xiao, Ian G Morgan, Leon B Ellwein, Mingguang He
Ophthalmology | ELSEVIER SCIENCE INC | Published : 2015
PURPOSE: To estimate the age-, gender-, and ethnicity-specific prevalence of amblyopia in children aged 5 to 15 years using data from the multi-country Refractive Error Study in Children (RESC). DESIGN: Population-based, cross-sectional study. PARTICIPANTS: Among 46 260 children aged 5 to 15 years who were enumerated from 8 sites in the RESC study, 39 551 had a detailed ocular examination and a reliable visual acuity (VA) measurement in 1 or both eyes. Information on ethnicity was available for 39 321 of these participants. This study focused on findings from the 39 321 children. METHODS: The examination included VA measurements, evaluation of ocular alignment and refractive error under cycl..View full abstract
Awarded by World Health Organization under National Institute of Health
Awarded by National Natural Science Foundation of China
Funded by the World Health Organization under National Institute of Health contract N01-EY-2103, Fundamental Research Funds of the State Key Laboratory in Ophthalmology, and National Natural Science Foundation of China (81125007).