Causes of death by baseline best corrected visual acuity
| Cause of death | Best corrected visual acuity 6/12 or better, n=140 | Best corrected visual acuity <6/12, n=11 |
| Vascular diseases | 43 (30.7%) | 4 (36.4%) |
| Ischaemic heart disease | 24 (17.1%) | 1 (9.1%) |
| Cancer | 12 (8.6%) | 1 (9.1%) |
| Bronchial conditions | 12 (8.6%) | 0 (0%) |
| Internal organs | 35 (25.0%) | 3 (27.3%) |
| Other (including accident and suicide) | 14 (10.0%) | 2 (18.2%) |
↵χ2, 5 df=2.12, p=0.83.