| Variable | Mean ± SD or N (%) |
| Age, y | 59.1 ± 18.9 |
| Gender |
|
| Male | 64 (42.4) |
| Female | 87 (57.6) |
| Familial status |
|
| Unmarried | 36 (23.8) |
| Married | 115 (76.2) |
| Study level |
|
| Illiterate | 92 (60.9) |
| Primary | 41 (27.2) |
| Secondary/University | 18 (11.9) |
| Professional status |
|
| Unemployment | 121 (80.1) |
| Employment | 30 (19.9) |
| Monthly income, USD$ |
|
| <224.7 | 135 (89.4) |
| 224.7 - 561.7 | 13 (8.6) |
| >561.7 | 3 (2.0) |
| Medical insurance |
|
| Not insured | 9 (6.0) |
| RAMED | 119 (78.8) |
| Insured | 23 (15.2) |
| Medical and surgical antecedents |
|
| No antecedent | 52 (34.4) |
| 1 antecedent | 64 (42.4) |
| 2 antecedents or more | 35 (23.2) |
| Type of glaucoma |
|
| POAG | 103 (68.2) |
| PACG | 30 (19.9) |
| Other types | 18 (11.9) |
| Duration of glaucoma |
|
| <5 | 87 (57.6) |
| ≥5 | 64 (42.4) |
| Severity of glaucoma (n = 146) |
|
| Mild | 30 (20.5) |
| Moderate | 53 (36.3) |
| Severe | 63 (43.2) |