| Acuity without correction | OD | OG | ||
| Effective | Percentage | Effective | Percentage | |
| <1/10 | 27 | 12,1 | 32 | 14.3 |
| 1/10 - 2/10 | 38 | 16.9 | 39 | 17.4 |
| ≥3/10 | 84 | 37.5 | 78 | 34.8 |
| Not done | 75 | 33.5 | 75 | 33.5 |