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Median Refractive Error and Prevalence for Children Ages 4.5 to 7.25 Years and Adults
| Percent (n) | |||||||
|---|---|---|---|---|---|---|---|
| Age Group (n) | Median SER (IQR) | Median Spherical Error (IQR) | Median Astigmatic (IQR) | Astigmatic Error ≤ –0.50 | With-the-Rule Astigmatism | Myopes, SER ≤ –0.50 | Hyperopes, SER ≥ +0.50 |
| 4.5–7.25 y (11) | +2.37 (3) | +3.0 (2.3) | –1.50 (1.5) | 72 (8) | 100 (8) | 0 (0) | 81.8 (9) |
| 17–65 y (21) | 0.00 (4,3) | +0.50 (4) | –1.50 (1.3) | 76.2 (16) | 81.3 (13) | 38.1 (9) | 42.9 (9) |
