Comparison with other population based studies on the causes of visual loss
| Study | Age | Definition of visual impairment | Not visually impaired | % attributed to: | |||
|---|---|---|---|---|---|---|---|
| AMD | Cataract | Glaucoma | Diabetes | ||||
| Low vision | |||||||
| MRC trial | 75+ | <6/18–3/60 | 727 | 47 | 45 | 11 | 4 |
| Baltimore Eye Study | 65+ | <6/12–>6/60 | 134 | 25 | 44 | 3 | 0 |
| SEE | 40+ | <6/18–> = 6/60 | 31 | 23 | 10 | 16 | 10 |
| Melbourne VIP | >65 | <6/18–>6/60 | 21 | 38 | 33 | 10 | 5 |
| Blue Mountains Eye Study | 65–84 | <6/12–>6/60 | 50 | 32 | 42 | 2 | 8 |
| Rotterdam Study* | 75+ | <6/18–3/60 | 170 | 28 | 57 | 2 | 0 |
| Blue Mountains Eye Study | 65–84 | < = 6/60 | 10 | 70 | 0 | 10 | 0 |
| Blindness | |||||||
| MRC trial | 75+ | <3/60 | 249 | 71 | 10 | 14 | 3 |
| Baltimore Eye Study | 65+ | < = 6/60 | 42 | 38 | 17 | 14 | 2 |
| Beaver Dam Eye Study | 40+ | < = 6/60 | 21 | 57 | 5 | 0 | 10 |
| SEE | >65 | <6/60 | 15 | 40 | 13 | 33 | 0 |
| Melbourne VIP | 40+ | < = 6/60 | 24 | 88 | 4 | 0 | 0 |
| Blue Mountains Eye Study | 65–84 | < = 6/60 | 10 | 70 | 0 | 10 | 0 |
| Rotterdam Study* | 75+ | <3/60 | 50 | 70 | 8 | 6 | 0 |