Table 2 Prevalence of the refractive error status in the right eye by age group
Age group (years) | Myopia (SE ≤ − 0.50 D) | High myopia (SE ≤ − 6.00 D) | Emmetropia (− 0.50D < SE < + 0.75D) | Hyperopia (SE ≥ + 0.75 D) | p-value |
|---|---|---|---|---|---|
n (%) | |||||
5–6 | 934 (30.50%) | 0 (0%) | 1540 (50.29%) | 588 (19.20%) | < .0001 |
7–8 | 3530 (47.43%) | 0 (0%) | 3360 (45.14%) | 553 (7.43%) | < .0001 |
9–10 | 4654 (67.39%) | 56 (0.81%) | 1841 (26.66%) | 355 (5.14%) | < .0001 |
11–12 | 5461 (78.76%) | 309 (4.46%) | 1049 (15.13%) | 115 (1.66%) | < .0001 |
Total | 14,579 (59.88%) | 365 (1.50%) | 7790 (32.00%) | 1611 (6.62%) | < .0001 |
Age group (years) | Myopia (SE) (D) | High myopia (SE) (D) | Emmetropia (SE) (D) | Hyperopia (SE) (D) | p-value |
|---|---|---|---|---|---|
LSMean (SE) | |||||
5–6 | − 0.77 (0.02) | – | + 0.10 (0.02) | + 2.16 (0.03) | < .0001 |
7–8 | − 2.02 (0.01) | – | − 0.02 (0.01) | + 1.40 (0.04) | < .0001 |
9–10 | − 2.06 (0.02) | − 6.25 (0.16) | − 0.05 (0.03) | + 1.63 (0.06) | < .0001 |
11–12 | − 2.87 (0.02) | − 6.29 (0.07) | + 0.04 (0.04) | + 3.00 (0.12) | < .0001 |
Total | − 2.27 (0.01) | − 6.29 (0.06) | + 0.01 (0.01) | + 1.84 (0.03) | < .0001 |