Table 3

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 eyesVisual acuity 1 year after surgery
ImprovedUnchanged or worse
Control2222
No DR or mild-mod DR27261
Advanced DR25205
Total with DM5246 (88%)6 (12%)