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Comparison of demographic data in the two groups.
| Groups | Cases | Age (years) | Male (cases %) | Female (cases %) | Annual income (10,000/ per year) | Education years |
|---|---|---|---|---|---|---|
| High myopia group | 160 | 42.2 ± 6.2 | 68 (42.5%) | 92 (58.5%) | 6.9 ± 3.2 | 15.45 ± 0.2 |
| Control group | 80 | 47.5 ± 4.8 | 35 (43.7%) | 45 (57.3%) | 6.8 ± 2.2 | 15.89 ± 0.6 |
