Table 1
Prevalence of cataract and previous cataract surgery by age and sex
| Age | Sex | No cataract in either eye | Prevalent cataract in one eye only | Prevalent cataract in both eyes | Prevalent cataract in one eye, previous surgery in 2nd eye | Previous surgery in one eye, no cataract in 2nd eye | Previous surgery in both eyes |
|---|---|---|---|---|---|---|---|
| 40–49 | Men, n=352 | 339 (96.3%) | 8 (2.27%) | 1 (0.26%) | 0 (0%) | 3 (0.85%) | 1 (0.28%) |
| Women, n=459 | 447 (97.4%) | 10 (2.18%) | 2 (0.44%) | 0 (0%) | 0 (0%) | 0 (0%) | |
| 50–59 | Men, n=442 | 406 (91.9%) | 24 (5.4%) | 9 (2.04%) | 2 (0.45%) | 0 (0%) | 1 (0.23%) |
| Women, n=524 | 489 (93.3%) | 20 (3.82%) | 12 (2.29%) | 2 (0.38%) | 0 (0%) | 1 (0.19%) | |
| 60–69 | Men, n=423 | 331 (78.3%) | 35 (8.27%) | 49 (11.6%) | 3 (0.71%) | 1 (0.24%) | 4 (0.95%) |
| Women, n=429 | 304 (70.9%) | 53 (12.4%) | 61 (14.2%) | 4 (0.93%) | 2 (0.47%) | 5 (1.17%) | |
| 70–79 | Men, n=218 | 117 (53.7%) | 22 (10.1%) | 61 (28.0%) | 6 (2.75%) | 2 (0.92%) | 10 (4.59%) |
| Women, n=220 | 87 (40.0%) | 33 (15.0%) | 86 (39.1%) | 6 (2.73%) | 2 (0.91%) | 6 (2.73%) | |
| 80–89 | Men, n=56 | 12 (21.4%) | 8 (14.3%) | 22 (39.3%) | 7 (12.5%) | 1 (1.79%) | 6 (10.7%) |
| Women, n=86 | 4 (4.65%) | 7 (8.14%) | 51 (59.3%) | 10 (11.6%) | 2 (2.33%) | 12 (14.0%) | |
| 90+ | Men, n=3 | 0 (0%) | 0 (0%) | 3 (100%) | 0 (0%) | 0 (0%) | 0 (0%) |
| Women, n=12 | 0 (0%) | 1 (8.33%) | 4 (33.3%) | 2 (16.7%) | 0 (0%) | 5 (41.7%) | |
| All ages | Total, n=3224 | 2536 (78.7%) | 221 (6.85%) | 361 (11.2%) | 42 (1.3%) | 13 (0.40%) | 51 |
-
↵Nuclear opacity ⩾ photo standard 2, ⩾ 4/16 cortical opacity, any PSC.
