Evolution of best corrected visual acuity at the end of follow up in terms of ETDRS lines won or lost
| Fibrosis (eyes) | No fibrosis (eyes) | |
|---|---|---|
| Decrease ≥4 lines | 1 | 2 |
| Decrease 2–3 lines | 4 | 5 |
| Plus or minus 1 line (no changes) | 1 | 1 |
| Increase 2–3 lines | 5 | 5 |
| Increase ≥4 lines | 3 | 4 |