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 Prevalence of Myopia in 3–14-Year-Old Chinese Children: A School-Based Cross-Sectional Study in Chengdu
February 2021 • Jianglan Wang, Jinnan Liu, Wei Ma, Qi Zhang, Rong Li, Xiao He, Longqian Liu
Abstract Background The prevalence of myopia among children in Chengdu is unknown. The aim of this study was to determine the prevalence of myopia in 3- to 14-year-old Chinese children in Chengdu. Methods This study was a school-based cross-sectional study in children aged 3–14 years. Visual acuity (VA), spherical equivalent error (SER) with noncycloplegic autorefraction, axial length (AL) and corneal radius (CR) were measured. Results A total of 19455 children were recruited for this study. The prevalence of myop…