2022
DOI: 10.3389/fped.2021.813856
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Prevalence of Visual Impairment Among Students Before and During the COVID-19 Pandemic, Findings From 1,057,061 Individuals in Guangzhou, Southern China

Abstract: 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 on Students' Constitution and Health (GSSCH) collected in October 2019 and October 2020, respectively. VI was defined as the unaided distance visual acuity lower than 20/25 Snellen equivalent (LogMAR 0.10) in the wo… Show more

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Cited by 6 publications
(4 citation statements)
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“…While necessary at the time as part of broad public health strategies, these disruptions in vision screening requirements may have long-term implications for children’s eye care, especially given the widespread use of virtual learning, increased screen time, and decreased time spent outdoors during the pandemic [ 40 ]. These factors, paired with the significant reduction in access to eye care services during the pandemic, may be playing a role in the increased prevalence of myopia reported in other countries [ 40 , 41 , 42 , 43 ]. In children aged 6 to 8 years living in China, the prevalence of myopia increased 1.4 to 3 times in 2020 compared to previous years [ 40 ].…”
Section: Part 1: Rationale and Guidelines For Pediatric Vision Screen...mentioning
confidence: 99%
“…While necessary at the time as part of broad public health strategies, these disruptions in vision screening requirements may have long-term implications for children’s eye care, especially given the widespread use of virtual learning, increased screen time, and decreased time spent outdoors during the pandemic [ 40 ]. These factors, paired with the significant reduction in access to eye care services during the pandemic, may be playing a role in the increased prevalence of myopia reported in other countries [ 40 , 41 , 42 , 43 ]. In children aged 6 to 8 years living in China, the prevalence of myopia increased 1.4 to 3 times in 2020 compared to previous years [ 40 ].…”
Section: Part 1: Rationale and Guidelines For Pediatric Vision Screen...mentioning
confidence: 99%
“…Adolescence is a critical period for physical and mental development and for acquiring resources regarding the foundation for later life health and wellbeing ( 8 ). Adolescents are highly malleable and their behavioral habits are easily affected ( 9 ). If they developed healthy behaviors during this period, especially appropriate 24-hour movement behaviors, can may effectively promote wellness.…”
Section: Introductionmentioning
confidence: 99%
“…The situation is even worse in East Asia ( Edwards and Lam, 2004 ; Han et al, 2019 ; Ueda et al, 2019 ; Dong et al, 2020 ). Online remote learning and working styles have led to a further increase in myopia rates, especially among school-age adolescents ( Liang et al, 2021 ). If left uncontrolled, myopia can progress to high myopia.…”
Section: Introductionmentioning
confidence: 99%