Fig. 3
Prevalence of myopia and hyperopia for school children aged 6鈥�13 in 2019鈥�2023. Mild myopia: -3.00 D < SER 猢� -0.50 D; Moderate myopia: -6.00D 猢� SER 猢�-3.00 D; High myopia: SER < -6.00D; Emmetropia: -0.50 D 猢� SER < +2.00 D; Hyperopia: SER 鈮� +2.00 D. The blue lines represent the trends in mild myopia prevalence