Table 1. Basic features of patients.
| Patient no. | Reason(s) for the second surgery | Age (years) | Gender | DM type | DM duration (years) | HbA1c (first surgery) | Eye | BCVA (before surgery) | BCVA (after surgery) | Follow-up (months) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | TRD | 67 | F | 2 | 10 | 7.9 | R | 20/20 | 20/100 | 14 |
| 2 | TRD | 62 | F | 2 | 20 | 8.4 | L | 20/50 | 20/20 | 11 |
| 3 | TRD | 59 | M | 2 | 7 | 8.7 | L | 20/20 | 20/25 | 26 |
| 4 | TRD | 58 | M | 2 | 12 | 7.4 | L | HM | 20/200 | 29 |
| 5 | TRD | 58 | F | 2 | 1 | 8.4 | R | HM | 20/25 | 38 |
| 6 | TRD | 63 | F | 2 | 7 | 6 | R | 20/100 | 20/100 | 15 |
| 7 | NVG | 40 | M | 2 | 17 | 9.2 | R | 20/500 | 20/20 | 24 |
| 8 | NVG | 50 | M | 2 | 15 | 5.5 | R | 20/60 | 20/25 | 7 |
| 9 | NVG | 39 | F | 2 | 23 | 10.9 | R | 20/600 | 20/60 | 47 |
| 10 | PVH | 54 | F | 2 | 10 | 5.9 | L | 20/20 | 20/30 | 6 |
| 11 | PVH | 60 | F | 2 | 28 | 7.9 | L | 20/30 | 20/25 | 11 |
| 12 | PVH | 63 | F | 2 | 15 | 8.9 | L | 20/40 | 20/200 | 35 |
| 13 | Pucker | 72 | F | 2 | 10 | 6.6 | R | 20/60 | 20/40 | 6 |
| 14 | TRD+NVG | 65 | M | 2 | 25 | 7.6 | L | 20/400 | 20/400 | 10 |
| 15 | Secondary IOL | 42 | M | 2 | 18 | 5.6 | R | 20/100 | 20/60 | 32 |
| 16 | Secondary IOL | 67 | M | 2 | 16 | 5.7 | R | CF | 20/60 | 9 |
| 17 | Secondary IOL | 59 | M | 2 | 2 | 6 | L | 20/200 | 20/200 | 6 |
| 18 | Secondary IOL | 37 | M | 2 | 10 | 9.3 | L | 20/50 | 20/20 | 58 |
| 19 | Secondary IOL | 62 | M | 2 | 18 | 10.3 | R | 20/50 | 20/100 | 35 |
| 20 | Secondary IOL | 58 | M | 2 | 2 | 6.4 | L | 20/50 | 20/20 | 14 |
| 21 | Secondary IOL | 49 | M | 2 | 20 | 6.8 | R | CF | 20/20 | 29 |
| Average | — | 56.4 | — | — | 13.5 | 7.5 | — | — | — | 22.0 |
Abbreviations: BCVA, best-corrected visual acuity; CF, counting finger; F, female; HM, hand motion; M, male; NVG, neovascular glaucoma; PVH, persistent vitreous hemorrhage; TRD, tractional retinal detachment.