Table 5.
Prevalence of visual impairment due to cataract and uncorrected refractive errors by age, sex, and ethnicity
| Prevalence of cataract | Prevalence of uncorrected refractive errors | ||||||
| Respondents | Crude % (SE) | *Age adjusted % (SE) | Estimatedpopulation (SE) | Crude % (SE) | *Age adjusted % (SE) | Estimated population (SE) | |
| Age (years) | |||||||
| 0–9 | 4690 | 0.05 (0.04) | – | 2274 (1723) | 0.31 (0.09) | – | 14 686 (4225) |
| 10–19 | 3814 | 0.05 (0.05) | – | 1987 (1987) | 1. 38 (0.27) | – | 57 280 (11 824) |
| 20–29 | 2341 | 0.04 (0.04) | – | 1436 (1351) | 1.24 (0.25) | – | 39 909 (8589) |
| 30–39 | 2477 | 0.16 (0.16) | – | 4380 (4380) | 0.63 (0.17) | – | 17 471 (4773) |
| 40–49 | 2081 | 0.21 (0.13) | – | 4240 (2505) | 1.71 (0.31) | – | 33 808 (6341) |
| 50–59 | 1263 | 1.25 (0.43) | – | 14 847 (5247) | 2.78 (0.60) | – | 32 963 (7028) |
| 60–69 | 840 | 8.19 (1.22) | – | 57 783 (9825) | 2.90 (0.63) | – | 20 483 (4492) |
| 70+ | 521 | 25.54 (2.5) | – | 100 897 (12 591) | 2.46 (0.75) | – | 9703 (2962) |
| Sex | |||||||
| Male | 8476 | 0.80 (0.11) | 0.88 (0.12) | 76 923 (11 229) | 0.89 (0.12) | 0.90 (0.13) | 85 558 (12 789) |
| Female | 9551 | 1.17 (0.13) | 1.10 (0.11) | 110 922 (14 620) | 1.48 (0.18) | 1.48 (0.14) | 140 749 (18 292) |
| Ethnicity | |||||||
| Malay | 9700 | 0.80 0.10) | 0.88 (0.10) | 77 003 (10 660 | 1.20 (0.18) | 1.24 (0.15) | 11 647 (19 028 |
| Chinese | 4305 | 1.30 (0.22) | 0.99 (0.16) | 69 096 (13 542) | 0.90 (0.15) | 0.85 (0.14) | 48 099 (8566) |
| Indian | 1154 | 0.94 (026) | 1.28 (0.33) | 13 472 (3757) | 1.27 (0.39) | 1.30 (0.38) | 18 218 (5757) |
| Indigenous | 1740 | 1.13 (0.29) | 1.38 (0.27) | 27 027 (7309) | 1.74 (0.40) | 1.92 (0.37) | 41 625 (10 760) |
| All | 18027 | 0.98 (0.09) | 1.00 (0.08) | 187 845 (21 003) | 1.18 (0.12) | 1.19 (0.10) | 226 306 (26 239) |
Definition: Visual impairment: presenting visual acuity of worse than 6/18 in the better eye with available means of correction.
*Age adjusted to the 1996 Malaysian population.