Fig. 2.

Timeline chart incorporating key legislation, guidelines, safety alerts and key professional developments in the three decades between 1989 and 2019. The figure shows the wider context and enablers for progression of non-medical HCP’s engagement in glaucoma care pathways beyond those traditionally encountered in previous decades. Key to acronyms: IP (independent prescribing); CoO (College of Optometrists); GRRS (Glaucoma Referral Refinement Scheme); GOC (General Optical Council); DoH (Department of Health); NICE (National Institute for Health Care and Excellence); NPSA (National Patient Safety Agency); GOS (General Ophthalmic Service); HQ (Higher Qualification); SIGN (Scottish Intercollegiate Guidelines Network); and CCC (Common Clinical Competency)