Visual acuity impairment associated with age-related maculopathy (ARM) and age-related macular degeneration (AMD)*
| Total | Without ARM | ARM | AMD | ARM/AMD with cataracts (n=125) | ARM/AMD with previous cataract surgery (n=123) | |
| >20/40 | 57.3 | 59.6 | 50.6 | 15.5 | 37.3 | 32.2 |
| Mild (20/40–20/80) | 22.8 | 22.6 | 29.8 | 7.0 | 29.8 | 23.6 |
| Moderate (20/80–20/200) | 9.0 | 8.9 | 10.7 | 8.5 | 8.7 | 10.7 |
| Severe (20/200–20/400) | 5.3 | 4.8 | 4.2 | 22.5 | 9.0 | 10.6 |
| Very severe (<20/400) | 5.6 | 4.1 | 4.7 | 46.5 | 15.2 | 22.9 |
↵* Data are shown as percentages.