| Age | Number of subjects screened | Number of subjects identified with refractive anomalies | % |
| 3 years old | 142 | 14 | 9.9 |
| 4 years old | 151 | 25 | 16.6 |
| 5 years old | 163 | 24 | 14.7 |
| 6 years old | 196 | 39 | 19.9 |
| 7 years old | 131 | 28 | 21.4 |
| 8 years old | 115 | 18 | 15.7 |
| 9 years old | 123 | 20 | 16.3 |
| Total | 1027 | 168 | 16.4 |