Distribution of the iris colour of the study patients (43 cases), and the volunteers (21 cases)
| Study eyes | Volunteers | |
|---|---|---|
| Blue-grey | 4 (9.3%) | 2 (9.52%) |
| Blue-grey/zones of brown | 6 (13.95%) | 4 (19.05%) |
| Blue-grey/brown | 4 (9.3%) | 0 |
| Green | 0 | 0 |
| Green-zones of brown | 0 | 0 |
| Green-brown | 0 | 0 |
| Brown | 1 (2.33%) | 6 (28.57%) |
| Yellow-brown | 28 (65.12%) | 9 (42.86%) |