Table 2
Age specific prevalence of blindness
| Blindness | ||||
|---|---|---|---|---|
| Age group (years) | No of subjects explored | No of blind subjects | % | 95% CI |
| *In 278 subjects, better eye acuity could not be determined; in four subjects with better eye acuity less than 0.3, capability for counting fingers was not explored; in another subject, age was not registered. | ||||
| 0–9 | 246 | 2 | 0.8 | 0.1 to 2.9 |
| 10–19 | 566 | 3 | 0.5 | 0.1 to 1.5 |
| 20–29 | 356 | 5 | 1.4 | 0.4 to 3.2 |
| 30–39 | 380 | 7 | 1.8 | 0.7 to 3.8 |
| 40–49 | 506 | 10 | 2.0 | 0.9 to 3.6 |
| 50–59 | 400 | 17 | 4.3 | 2.5 to 6.7 |
| ≥60 | 481 | 49 | 10.2 | 7.5 to 12.9 |
| Total | 2935* | 93 | 3.2 | 2.6 to 3.9 |
