Table 2.
Age group (years) | Vision status* (%) | ||||||||
Males | Females | Total | |||||||
Normal vision | Low vision | Blindness | Normal vision | Low vision | Blindness | Normal vision | Low vision | Blindness | |
0–4** | 100.0 | 0 | 0 | 100 | 0 | 0 | 100 | 0 | 0 |
5–9 | 94.6 | 5.0 | 0.4 | 96.3 | 3.3 | 0.3 | 96.0 | 3.7 | 0.4 |
10–14 | 90.1 | 9.2 | 0.7 | 93.1 | 6.2 | 0.7 | 92.4 | 6.9 | 0.7 |
15–19 | 83.9 | 14.8 | 1.3 | 88.4 | 10.4 | 1.2 | 87.4 | 11.4 | 1.2 |
20–24 | 76.1 | 21.8 | 2.1 | 82.2 | 15.8 | 2.0 | 80.9 | 17.2 | 2.0 |
25–29 | 67.2 | 29.7 | 3.2 | 74.7 | 22.3 | 3.0 | 72.9 | 24.0 | 3.1 |
30–34 | 57.6 | 37.7 | 4.7 | 66.0 | 29.4 | 4.5 | 64.1 | 31.4 | 4.5 |
35–39 | 48.2 | 45.1 | 6.7 | 56.9 | 36.6 | 6.5 | 54.8 | 38.6 | 6.5 |
40–44 | 39.4 | 51.3 | 9.3 | 47.9 | 43.0 | 9.1 | 45.8 | 45.0 | 9.1 |
45–49 | 31.7 | 55.7 | 12.6 | 39.4 | 48.2 | 12.4 | 37.6 | 50.1 | 12.4 |
50–54 | 25.2 | 58.2 | 16.5 | 32.0 | 51.6 | 16.4 | 30.3 | 53.3 | 16.4 |
55–59 | 19.9 | 58.9 | 21.2 | 25.6 | 53.3 | 21.1 | 24.2 | 54.8 | 21.1 |
60–64 | 15.6 | 57.9 | 26.5 | 20.3 | 53.1 | 26.6 | 19.1 | 54.4 | 26.4 |
65–69 | 12.2 | 55.4 | 32.4 | 16.0 | 51.4 | 32.5 | 15.1 | 52.5 | 32.4 |
70–74 | 9.6 | 51.8 | 38.6 | 12.6 | 48.4 | 38.9 | 11.9 | 49.4 | 38.7 |
75+ | 7.5 | 47.4 | 45.0 | 10.0 | 44.6 | 45.5 | 9.3 | 45.5 | 45.2 |
Total | 55.0 | 35.0 | 10.0 | 55.3 | 33.8 | 10.9 | 53.9 | 35.3 | 10.9 |
95% CI | 49.6–60.3 | 31.4–38.7 | 8.1–11.9 | 52.4–58.3 | 31.8–35.7 | 9.7–12.1 | 50.9–56.9 | 33.3–37.2 | 9.7–12.0 |
*Vision status: Normal vision = presenting visual acuity of ≥ 6/18 in the better eye; Low vision = presenting visual acuity of < 6/18 to ≤ 3/60 in the better eye; Blindness = presenting visual acuity of < 3/60 in the better eye.
**Children aged 0–4 years assumed to have normal vision.