Prevalence Trend of Myopia during the Post-COVID-19 Epidemic Period among Preschoolers: A Prospective School-based Study.

Optom Vis Sci · 2023 · PMC11812649 · PMID 37678562

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showed a trendno p-value reported

Compared with 2019, the mean spherical equivalent refraction of preschool children showed a trend of hyperopia drift in 2020 and 2021, although the amount of this change was small, approximately +0.02 D ( P a < .001, P b < .001, P c = .03, as shown in Table 2 ).

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