Prevalence of dry eye during the COVID-19 pandemic: A systematic review and meta-analysis

Haiyang Ji, Yun Yang, Yunqiong Lu, Xiehe Kong, Guang Yang, Jie Liu, Yanting Yang, Xuejun Wang and Xiaopeng Ma

PLOS ONE, 2023, vol. 18, issue 12, 1-17

Abstract: Objective: During the COVID-19 pandemic, many people devoted longer time to screen viewing due to the need for study, work, and online social activities, instead of outdoor activities, which may have led to an increase in dry eye symptoms. This study aimed to evaluate the prevalence of dry eye during the COVID-19 pandemic. Methods: PubMed, Cochrane Library, Embase, and Web of Science were searched from January 1, 2020 to October 20, 2022. Cross-sectional surveys on dry eye prevalence conducted after January 1, 2020 were included. Two review authors independently performed data extraction and assessed study quality. The random-effects model was used to analyze the prevalence of dry eye, and the odds ratio was used to assess the strength of the association between variables. Subgroup analysis was performed to detect heterogeneity, the leave-one-out method for sensitivity analysis, and the Egger test for publication bias. Results: A total of eleven studies with 15692 individuals met the eligibility criteria. The prevalence of dry eye during the COVID-19 pandemic was 61.0% (95%CI: 51.8%-70.2%) globally and 56.7% (95%CI: 45.3%-68.1%) in Asia. The prevalence of dry eye had significant differences in sex and visual display time, with higher prevalence among females and visual display time of more than 4 hours per day. Subgroup analysis was performed based on diagnostic tools, study population, and average age. A significant difference was found in diagnostic tools, but no significant change in heterogeneity (P

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0288523

DOI: 10.1371/journal.pone.0288523

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