Prevalence of Visual Impairment Among Students Before and During the COVID-19 Pandemic, Findings From 1,057,061 Individuals in Guangzhou, Southern China

• Váldodahkkit: Jing-hong Liang (Dahkki), Yi-can Chen (Dahkki), Yu Zhao (Dahkki), Aerziguli Kakaer (Dahkki), Nan Jiang (Dahkki), Shan Huang (Dahkki), Shu-xin Zhang (Dahkki), Ya-jun Chen (Dahkki)
• Materiálatiipa: Girji
• Almmustuhtton: Frontiers Media S.A., 2022-02-01T00:00:00Z.
• Fáttát: article
• Liŋkkat: Connect to this object online.

BackgroundVisual impairment (VI) is a growing public health concern among students as a result of the COVID-19 pandemic.ObjectiveThis study investigated the change in VI before and during the pandemic among students.MethodsData on 547,864 and 497,371 students were obtained from the Guangzhou Survey...