| | 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 | 93 | 3.23 (0.67, 9.14) | 1.08 (0.03, 5.85) | 3.33 (0.69, 9.43) | 2.22 (0.27, 7.80) | | 50–59 | 255 | 1.96 (0.64, 4.52) | 1.18 (0.24, 3.40) | 4.94 (2.58, 8.47) | 2.47 (0.91, 5.30) | | 60–69 | 297 | 0.34 (0.01, 1.86) | 0.67 (0.08, 2.41) | 8.93 (5.86, 12.90) | 2.86 (1.24, 5.55) | | 70+ | 162 | 3.70 (1.37, 7.89) | 0 (0.00, 0.00) | 10.20 (5.82, 16.27) | 5.44 (2.38, 1 0.44) | | Total | 807 | 1.86 (1.04, 3.05) | 0.74 (0.27, 1.61) | 7.24 (5.50, 9.32) | 3.16 (2.03, 4.66) |
| | Women | | 30–49 | 71 | 2.82 (0.34, 9.81) | 0 (0.00, 0.00) | 0 (0.00, 0.00) | 2.90 (0.35, 10.08) | | 50–59 | 354 | 1.98 (0.80, 4.03) | 0.56 (0.07, 2.03) | 6.38 (3.99, 9.59) | 2.74 (1.26, 5.13) | | 60–69 | 483 | 1.86 (0.86, 3.51) | 0.62 (0.13, 1.80) | 11.21 (8.39, 14.59) | 3.04 (1.63, 5.14) | | 70+ | 245 | 8.57 (5.38, 12.80) | 0 (0.00, 0.00) | 14.68 (1.026, 20.09) | 8.26 (4.97, 12.74) | | Total | 1153 | 3.38 (2.42, 4.60) | 0.43 (0.14, 1.01) | 9.67 (7.95, 11.63) | 4.02 (2.91, 5.40) |
| | Total | | 30+ | 1960 | 2.76 (2.08, 3.58) | 0.56 (0.28, 1.00) | 8.65 (7.39, 10.04) | 3.66 (2.84, 4.63) | | 40+ | 1947 | 2.77 (2.09, 3.60) | 0.56 (0.28, 1.01) | 8.71 (7.44, 10.11) | 3.69 (2.86, 4.66) | | 50+ | 1796 | 2.73 (2.03, 3.59) | 0.56 (0.27, 1.02) | 9.30 (7.94, 10.81) | 3.77 (2.90, 4.81) | | 60+ | 1187 | 3.12 (2.20, 4.27) | 0.42 (0.14, 0.98) | 11.18 (9.36, 13.22) | 4.38 (3.24, 5.78) |
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