Description of patients within the study groups
| Group | Number | Males (%) | Mean age (SD) | Range |
|---|---|---|---|---|
| Control | 15 | 7 (47%) | 52 years (15 years) | 29–75 years |
| Glaucoma suspects | 8 | 5 (63%) | 56 years (16 years) | 35–77 years |
| Ocular hypertension | 8 | 1 (13%) | 60 years (9 years) | 47–74 years |
| Open angle glaucoma | 32 | 16 (50%) | 64 years (9 years) | 41–79 years |