Lag 2: Referral times (days) from primary healthcare professional to local ophthalmologist
| Referral pathway | No | Mean/days (SD) | Median/days | Range/days | Outside 2-week rule |
| General practitioner (GP) | 37 | 25 (41.4) | 7 | 0–181 | 11 (29.7%) |
| Accident and emergency (A&E) | 28 | 2 (5.8) | 1 | 0–31 | 1 (3.6%) |
| Health visitor (HV) | 7 | 28 (20.3) | 21 | 1–60 | 5 (71.4%) |
| Opticians | 10 | 15 (26.0) | 3 | 1–84 | 2 (20.0%) |
| Paediatrician | 2 | 28 | 1–54 | 1 (50.0%) |