Online Learning-Related Visual Function Impairment During and After the COVID-19 Pandemic.
Online Learning-Related Visual Function Impairment During and After the COVID-19 Pandemic.
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DOI：
10.3389/fpubh.2021.645971
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发表时间：
2021
影响因子：
5.2
通讯作者：
Wang Y
中科院分区：
文献类型：
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作者：
Fan Q;Wang H;Kong W;Zhang W;Li Z;Wang Y
本研究旨在回顾2019年冠状病毒病（COVID-19）引发的在线学习增加对视觉功能的影响，以及预防相关视觉障碍的方法。最近的发现表明，在大流行期间可能会观察到比以前更高的近视发病率。新冠肺炎期近视患病率为59.35%，高于正常期。应对和控制新冠肺炎疫情对学生近视的影响。COVID-19引发的在线学习可能会增加全球视觉功能障碍的负担。本综述强调了预防与在线学习相关的视觉功能障碍的有效措施，包括：(1)桌面照度不超过300 lx，中小学生每次在线学习时间不超过20-30分钟；（二）学龄前儿童每日视频时间不超过1小时，学龄儿童、青少年每日视频时间不超过2小时；(3)每次在线学习30-40分钟后，将眼睛移开屏幕或闭上10分钟；(4)每天从事户外活动2小时以上；(5)适宜的屏幕和学习环境设置和正确的读写姿势；(6)充足睡眠和适当营养。在这场前所未有的大流行期间和之后，预防与在线学习相关的视力损害将促进未来的眼科实践。
This study aimed to review the consequences of increased online learning, which was precipitated by the coronavirus disease 2019 (COVID-19), on visual function, as well as the methods for preventing the associated visual impairment. The recent finding implies that a higher incidence of myopia may be observed during the pandemic than that before. The myopia prevalence was 59.35% in COVID-19, which was higher than that in the normal period. COVID-19-related influence of developing myopia among students should be addressed and under control. Online learning precipitated by COVID-19 is likely to increase the global burden of visual function impairment. This review highlighted useful measures to prevent online learning-related visual function impairments, including the following: (1) desktop illumination of no >300 lx, online learning time for primary, and middle-school students of no more than 20–30 min per session; (2) daily video time for preschool children not exceeding 1 h, and for school-age children and adolescents not exceeding 2 h; (3) after every 30–40 min of online learning, moving eyes away from the screen or closed for 10 min; (4) engaging in outdoor activities for ≥ 2 h a day; (5) suitable screen and learning environment settings and correct postures for reading and writing; (6) sufficient sleep and proper nutrition. Preventing online learning-related visual impairment during and after this unprecedented pandemic will facilitate future ophthalmic practice.
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