Table 1

Summary of results comparing 2020 to the previous 5 years showing changes in mean refractive error and prevalence of myopia

AgeMean refractive error in 2020 compared with the most myopic outcome in the previous 5 yearsPrevalence of myopia in 2020 compared with previous 5-year high, P value
6−0.32 D+15.8%, ≤0.01
7−0.28 D+21%, ≤0.01
8−0.29 D+9.5%, ≤0.01
9−0.12 D+1.8%, 0.09
10−0.11 D−2.3%, 0.03
11−0.06 D−3%, 0.004
12−0.05 D−8.4%, ≤0.01
13−0.05 D−3.4%, ≤0.01

  • Results grouped by age.