Characteristics of the study populations
| Study factor | Western Eye Hospital (n=129) No (%) | Moorfields Eye Hospital (n=194) No (%) |
|---|---|---|
| Severity of visual impairment: | ||
| Blind | 41 (32) | 61 (31) |
| Partially sighted | 88 (68) | 133 (69) |
| Certifiable on field loss alone: | ||
| No | 93 (72) | 175 (90) |
| Yes | 36 (28) | 19 (10) |
| Sex: | ||
| Women | 88 (66) | 93 (48) |
| Men | 44 (34) | 101 (52) |
| Age (years): | ||
| ⩽64 | 26 (20) | 83 (43) |
| 65–74 | 32 (25) | 38 (20) |
| 75–84 | 43 (33) | 56 (29) |
| 85–94 | 28 (22) | 17 (9) |
| Median (range) | 77 (3, 93) | 69 (0, 92) |
| No of previous hospital visits: | ||
| ⩽3 | 17 (13) | 35 (18) |
| 4–10 | 45 (35) | 46 (24) |
| 11–40 | 39 (30) | 54 (28) |
| >40 | 27 (21) | 55 (29) |
| Median (range) | 11 (1, 202) | 14 (1, 261) |
| Main diagnosis: | ||
| I | 50 (39) | 112 (58) |
| II | 55 (43) | 63 (32) |
| III | 24 (19) | 19 (10) |
↵I = permanent and no ongoing treatment; II = permanent but ongoing treatment; III = potentially reversible.