Characteristics of study population (n = 1077)
| Number | % | |
|---|---|---|
| Sex: | ||
| Male | 491 | 45.6 |
| Female | 586 | 54.4 |
| Ethnic groups: | ||
| Chinese | 938 | 87.1 |
| Indian | 70 | 6.5 |
| Malay | 52 | 4.8 |
| Others | 17 | 1.6 |
| Religion: | ||
| Buddhists and Taoists | 616 | 57.2 |
| Christians and Catholics | 168 | 15.6 |
| Muslims | 62 | 6.0 |
| Hindus | 45 | 4.2 |
| No religious affiliation | 137 | 12.7 |
| Others | 9 | 0.9 |
| Ophthalmic diagnosis: | ||
| Cataract | 643 | 59.9 |
| Diabetic retinopathy | 148 | 13.8 |
| Glaucoma | 93 | 8.7 |
| Age related macular degeneration | 50 | 4.7 |
| Others | 143 | 13.3 |
| Best corrected visual acuity (better seeing eye): | ||
| 20/20–20/40 | 844 | 78.4 |
| 20/50–20/200 | 206 | 19.1 |
| Worse than 20/200 | 27 | 2.5 |
| Best corrected visual acuity (worse seeing eye): | ||
| 20/20–20/40 | 530 | 49.2 |
| 20/50–20/200 | 365 | 33.9 |
| Worse than 20/200 | 182 | 16.9 |
| Housing type: | ||
| Public housing (apartments) | 810 | 86.2 |
| Private condominiums | 53 | 5.6 |
| Private, landed property | 77 | 8.2 |