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. 2023 Apr 21;18(4):e0284703. doi: 10.1371/journal.pone.0284703

Table 3. Percentage of refractive error type in the first and last years of measurement.

High Myopia Myopia (All) Emmetropia Hyperopia
2010 2.77% 40.90% 18.25% 40.86%
2019 (pre-COVID) 3.43% 49.40% 18.26% 32.34%
2020 (COVID) 4.45% 50.65% 17.99% 31.36%