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| Groups | Total | Corrected | Under correction | Well corrected |
| Myopia | 3242 (92.52) | 2682 (82.73) | 2736 (84.39) | 506 (15.61) |
| Mild myopia | 948 (27.05) | 470 (49.58) | 784 (82.70) | 164 (17.30) |
| Moderate myopia | 1554 (44.35) | 1486 (95.62) | 1296 (83.40) | 258 (16.60) |
| High myopia | 740 (21.12) | 726 (98.11) | 670 (90.54) | 70 (9.46) |
n (%)
