| | Group | N | Visual acuity in the better-seeing eye | Visual acuity in the worse-seeing eye | | Low vision | Blindness | Low vision | Blindness | | <20/60 and ≥20/400 | <20/400 | <20/60 and ≥20/400 | <20/400 | | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) |
| | Men | | 30–49 | 94 | 8.51 (3.75, 16.08) | 3.19 (0.66, 9.04) | 11.70 (5.99, 19.97) | 6.38 (2.38, 13.38) | | 50–59 | 255 | 5.10 (2.74, 8.56) | 1.57 (0.43, 3.09) | 11.37 (7.75, 15.92) | 4.71 (2.45, 8.08) | | 60–69 | 302 | 7.62 (4.89, 11.21) | 0.66 (0.08, 2.37) | 22.52 (17.93, 27.65) | 6.29 (3.83, 9.65) | | 70+ | 167 | 10.18 (6.04, 15.80) | 0 (0.00, 0.00) | 22.16 (16.11, 29.22) | 11.98 (7.47, 17.89) | | Total | 818 | 7.46 (5.75, 9.48) | 1.10 (0.50, 2.08) | 17.73 (15.17, 20.52) | 6.97 (5.32, 8.93) |
| | Women | | 30–49 | 72 | 12.50 (5.88, 22.41) | 0 (0.00, 0.00) | 33.33 (22.66, 45.43) | 2.78 (0.34, 9.68) | | 50–59 | 358 | 12.29 (9.07, 16.15) | 0.84 (0.17, 2.43) | 16.20 (12.54, 20.43) | 6.98 (4.57, 10.14) | | 60–69 | 496 | 11.69 (9.00.14.85) | 1.01 (0.33, 2.34) | 20.77 (17.28, 24.61) | 7.26 (5.13, 9.91) | | 70+ | 254 | 17.32 (12.88, 22.55) | 0.39 (0.01, 2.17) | 32.28 (26.57, 38.41) | 14.96 (10.81, 19.95) | | Total | 1180 | 13.14 (11.26, 15.20) | 0.76 (0.35, 1.44) | 22.63 (20.27, 25.12) | 8.56 (7.03, 10.30) |
| | Total | | 30+ | 1998 | 10.81 (9.48, 12.26) | 0.90 (0.53, 1.42) | 20.62 (18.87, 22.46) | 7.91 (6.76, 9.18) | | 40+ | 1985 | 10.68 (9.36, 12.12) | 0.91 (0.54, 1.43) | 20.55 (18.80, 22.40) | 7.96 (6.81, 9.24) | | 50+ | 1832 | 10.86 (9.47, 12.38) | 0.82 (0.46, 1.35) | 20.58 (18.75, 22.50) | 8.19 (6.97, 9.54) | | 60+ | 1219 | 11.65 (9.90, 1 3.58) | 0.66 (0.28, 1.29) | 23.79 (21.42, 26.28) | 9.27 (7.70, 11.04) |
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