Demographic features
| Demographic features | N (%) |
|---|---|
| Age (years) (n=13 patients) | |
| Mean±SD (range) | 67.8±8.1 (58–80) |
| Race (n=13 patients) | |
| Caucasian | 11 (84) |
| Asian | 1 (8) |
| Hispanic | 1 (8) |
| African–American | 0 (0) |
| Gender (n=13 patients) | |
| Men | 11 (84) |
| Women | 2 (16) |
| Duration of diabetes (years) (n=13 patients) | |
| Mean±SD (range) | 9.57±4.2 (4–17) |
| Eye involved (n=20 eyes) | |
| Unilateral | 7 (54) |
| Bilateral | 6 (46) |
| HbA1c (%)(n=13 patients) | |
| Mean±SD (range) | 7.8±0.84 (6.8–9.1) |
| International Clinical DR Disease Severity Scale (n=20 eyes) | |
| NPDR mild | 7 (35) |
| NPDR moderate | 4 (20) |
| NPDR severe | 1 (5) |
| PDR active | 0 (0) |
| PDR inactive | 8 (40) |
| BCVA (LogMar) | |
| Mean±SD (range) | 0.31±0.20 (0.70–0.10) |
BCVA, best-corrected visual acuity; DR, diabetic retinopathy; HbA1c, glycated haemoglobin; NPDR, non-proliferative diabetic retinopathy; PDR, proliferative diabetic retinopathy.