Table 2

Age specific prevalence of blindness

Blindness
Age group (years)No of subjects exploredNo 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.
0–924620.80.1 to 2.9
10–1956630.50.1 to 1.5
20–2935651.40.4 to 3.2
30–3938071.80.7 to 3.8
40–49506102.00.9 to 3.6
50–59400174.32.5 to 6.7
≥604814910.27.5 to 12.9
Total2935*933.22.6 to 3.9