Cost-effectiveness of monitoring glaucoma patients in shared care: an economic evaluation alongside a randomized controlled trial

Table 1 Provided care and criteria for back referral to the glaucoma specialist

Activity	GFU	Usual care	Criteria for back referral
Short history	Every visit	Every visit
IOP*	Every visit	Every visit
Medical prescriptions	Every visit	Every visit
Optic disc assessment	Never	Every visit
GDx ECC**	Every visit	At doctor's request (approx. once yearly)	- Suspicion of progression - In case of first GDxECC: NFI > 35 and/or left/right asymmetry and/or local defect.
HFA 24-2***	Yearly in moderate to advanced visual field damage**** OR at doctor's request	At doctor's request (approx. once yearly)	Suspicion of progression
Snellen visual acuity	Every visit	As required, at least once yearly	Decline in visual acuity of ≥ 2 lines
Overall judgement	Every visit	Every visit
Timing next appointment	Every visit	Every visit

* IOP by Goldmann applanation tonometry
** GDx ECC (Carl Zeiss Meditec, Dublin, CA, USA) scanning laser polarimetric images
*** Humphrey Field Analyser, standard 24-2 test algorithm (HFA 24-2; Carl Zeiss Meditec, Dublin, CA, USA)
**** Criteria mild and moderate/severe visual field damage: the mean deviation (MD) of the last performed visual field was ≤ -5dB

ISSN: 1472-6963