Demography of the study groups (mean (SD))
| Patients with ocular hypertension | Patients with primary open angle glaucoma | Patients with normal pressure glaucoma | Patients with secondary open angle glaucoma | |
|---|---|---|---|---|
| Patients (n) | 31 | 59 | 22 | 11 |
| Age (years) | 44.5 (10.8) | 46.6 (11.7) | 53.9 (9.7) | 41.4 (14.6) |
| Women/men | 18/13 | 23/36 | 13/9 | 1/10 |
| Refractive error (D) | −0.3 (1.6) | −0.7 (2.2) | 0.25 (2.8) | −2.1 (3.2) |