| Variables | Frequencies (N) | Percentages (%) |
| Personal history Hypertension No Yes |
51 110 |
31.7 68.3 |
| Alcohol No Yes |
79 82 |
49.1 50.9 |
| Tobacco No Yes |
148 13 |
91.9 8.1 |
| Cataract No Yes |
156 5 |
96.9 3.1 |
| Corticostheroid therapy No Yes |
156 5 |
96.9 3.1 |
| Family history Diabetes No Yes |
46 115 |
28.6 71,4 |
| Hypertension No Yes |
35 126 |
21.8 78.2 |
| Cataract No Yes |
144 17 |
89.4 10.6 |
| Glaucoma No Yes |
147 14 |
91.3 8.7 |