Table 9.

Patient classes and paths.

Class (%)	Description	Path number (%)	Path
1 (54%)	Old (or continuing) cases	1 (66.67%)	Registration → visual acuity → measure eye pressure/apply eye drops →  doctor's consultation∗ → appointment booking
		2 (33.37%)	Registration → visual acuity → measure eye pressure/apply eye drops →  doctor's consultation∗ → health consultation
2 (27%)	New cases	1 (92.5%)	Registration → nurse assessment∗ → appointment booking
		2 (7.5%)	Registration → nurse assessment∗ → visual acuity → measure eye pressure →  nurse assessment → appointment booking
3 (10%)	Enquiry cases	1 (10%)	Registration → nurse assessment∗ → leave
		2 (72%)	Registration → nurse assessment∗ → visual acuity → measure eye pressure →  nurse assessment → appointment booking# → apply eye drops → doctor's consultation
		3 (18%)	Registration → nurse assessment∗ → visual acuity → measure eye pressure →  nurse assessment → appointment booking# → doctor's consultation
4 (9%)	Day surgery cases	1 (100%)	Registration → eye examination → apply eye drops → educational TV session →  doctor's consultation → appointment booking (surgery operation) → nurse reminder

^∗First diversion. ^#Second diversion.