Visual acuity (VA) 1 year after surgery compared with preoperative VA in patients with diabetes mellitus (DM) with different stages of diabetic retinopathy (DR) and controls
| No of eyes | Visual acuity 1 year after surgery | ||||
|---|---|---|---|---|---|
| Improved | Unchanged or worse | ||||
| Control | 22 | 22 | — | ||
| No DR or mild-mod DR | 27 | 26 | 1 | ||
| Advanced DR | 25 | 20 | 5 | ||
| Total with DM | 52 | 46 (88%) | 6 (12%) | ||