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Demographic characteristics of the study population
| Characteristic | No (%) |
| Mean age | 63.2 (SD 13.6) |
| Sex | |
| Males | 138 (48.3) |
| Females | 148 (51.7) |
| Ocular diagnosis | |
| Glaucoma | 94 (67.1) |
| Cataract | 192 (32.9) |
| Onchocerciasis | |
| Positive | 15 (5.2) |
| Negative | 271 (94.8) |
| Region | |
| Central | 136 (48.6) |
| Other | |
| Western | 106 (37.9) |
| Accra | 17 (6.1) |
| Eastern | 10 (3.6) |
| Northern | 10 (3.6) |
| Brong Ahafo | 1 (0.2) |
| Unspecified | 6 |
