| Co-morbidity factors | Frequency | percentage |
| Obesity | 113 | 56.50 |
| Smoking | 95 | 47.50 |
| High Blood Pressure | 86 | 43.00 |
| Dyslipidemia | 83 | 41.50 |
| Alcoholism | 51 | 25.50 |
| Cataract surgery | 38 | 19.00 |
| Sedentary lifestyle | 30 | 15.00 |
| Nephropathy | 22 | 11.00 |
| Pregnancy | 11 | 5.50 |