Referral route
| Diabetic cohort (41) | Non-diabetic cohort (53) | |
|---|---|---|
| Ophthalmic clinic attendees | 9 (24.4%) | 15 (29.4%) |
| Optometrist | 15 (36.5%) | 24 (46%) |
| General practitioner | 11 (26.8%) | 12 (23.5%) |
| Hospital diabetic clinic | 3 (9.7%) | 0 |
| Photographic screening | 3 (7.3%) | 0 |
| Private sources | 0 | 1 |
| Diabetes mellitus diagnosed after commencing glaucoma medication | 2 | 1 |