Table 7.
Visual acuity and visual field achieved at 15 months and 2–5 years of follow-up, and overall final follow-up in eyes without macular edema
| Visual assessment | Non-ischemic CRVO | Ischemic CRVO as first diagnosis | Ischemic CRVO converted from non-ischemic |
|---|---|---|---|
|
Visual Acuity | |||
| 15 months* | (n=93) | (n=9) | (n=4) |
| 20/15–20/20 | 43 (46%) | 1 (11%) | -- |
| 20/25–20/30 | 25 (27%) | 0 (0%) | -- |
| 20/40–20/60 | 9 (10%) | 1 (11%) | -- |
| 20/70–20/100 | 5 (5%) | 0 (0%) | 0 (0%) |
| 20/200–400 | 10 (11%) | 0 (0%) | 1 (25%) |
| CF or worse | 1 (1%) | 7 (78%) | 3 (75%) |
| 2–5 years | (n=146) | (n=13) | (n=10) |
| 20/15–20/20 | 61 (42%) | 0 (0%) | -- |
| 20/25–20/30 | 29 (20%) | 0 (0%) | -- |
| 20/40–20/60 | 20 (14%) | 0 (0%) | -- |
| 20/70–20/100 | 9 (6%) | 0 (0%) | 1 (10%) |
| 20/200–400 | 25 (17%) | 5 (38%) | 3 (30%) |
| CF or worse | 2 (1%) | 8 (62%) | 6 (60%) |
| Final@ | (n=316) | (n=26) | (n=10) |
| 20/15–20/20 | 138 (44%) | 0 (0%) | -- |
| 20/25–20/30 | 54 (17%) | 1 (3%) | -- |
| 20/40–20/60 | 45 (14%) | 2 (6%) | -- |
| 20/70–20/100 | 26 (8%) | 1 (3%) | 1 (10%) |
| 20/200–400 | 46 (15%) | 9 (35%) | 4 (40%) |
| CF or worse | 7 (2%) | 13 (50%) | 5 (50%) |
|
Visual Field Defect | |||
| 15 months* | (n=90 eyes) | (n=9) | (n=3) |
| Minimal | 81 (90%) | 0 (0%) | 0 (0%) |
| Mild | 8 (9%) | 2 (22%) | 1 (33%) |
| Moderate | 0 (0%) | 3 (33%) | 0 (0%) |
| Marked | 0 (0%) | 2 (22%) | 1 (33%) |
| Severe | 1 (1%) | 2 (22%) | 1 (33%) |
| 2–5 years | (n=142 eyes) | (n=17) | (n=12) |
| Minimal | 122 (86%) | 0 (0%) | 1 (8%) |
| Mild | 18 (13%) | 3 (18%) | 4 (33%) |
| Moderate | 1 (1%) | 7 (41%) | 1 (8%) |
| Marked | 1 (1%) | 4 (23%) | 4 (33%) |
| Severe | 0 (0%) | 3 (18%) | 2 (17%) |
| Final@ | (n=312 eyes) | (n=28) | (n=12) |
| Minimal | 271 (87%) | 1 (4%) | 1 (8%) |
| Mild | 24 (8%) | 4 (14%) | 5 (42%) |
| Moderate | 13 (4%) | 9 (32%) | 0 (0%) |
| Marked | 3 (1%) | 6 (21%) | 3 (25%) |
| Severe | 0 (0%) | 8 (29%) | 3 (25%) |
±12 weeks
of those with at least 3 months follow-up; includes all eyes regardless of time from onset of the first visit
CF = counting fingers; CRVO=Central retinal Vein Occlusion