Table 1. General characteristics and distribution of patients.
| Parameters | Number of eyes N=4628 | % |
|---|---|---|
| Mean age | 54.5 years (range, 10–92) | |
| Gender | ||
| Male | 924 | 39.8 |
| Female | 1396 | 60.2 |
| Visual acuity | ||
| Mean | 20/63 (range, LP-20/20) | |
| ≤20/200 | 366 | 7.9 |
| 20/200–20/40 | 940 | 20.3 |
| ≥20/40 | 3322 | 71.8 |
| Diabetic retinopathy | 1217 | 26.3 |
| Mild NPDR | 530 | 11.5 |
| Moderate NPDR | 280 | 6 |
| Severe NPDR | 251 | 5.4 |
| Proliferative DR | 156 | 3.4 |
| Diabetic macular edema | 402 | 8.7 |
| CSDME | 196 | 4.2 |
| CNSDME | 206 | 4.5 |
Abbreviations: CNSDME, clinically non-significant diabetic macular edema; CSDME, clinically significant diabetic macular edema; DR, diabetic retinopathy; LP, light perception; NPDR, non proliferative diabetic retinopathy.