1. National Institute for Health and Care Excellence. Glaucoma: diagnosis and management. NICE guideline NG81. https://www.nice.org.uk/guidance/ng812017.
2. NHSE. Transforming elective care services ophthalmology. https://www.england.nhs.uk/wp-content/uploads/2019/01/ophthalmology-elective-care-handbook-v1.1.pdf; 2019.
3. MacEwen C, Davis A, Chang L GIRFT Programme National Specialty Report Ophthalmology. https://gettingitrightfirsttime.co.uk/wp-content/uploads/2019/12/OphthalmologyReportGIRFT19P-FINAL.pdf; 2019.
4. Oliver D, David Oliver. Covid-19 will make us stop some activities for good. BMJ. 2020;369:m1148.
5. RNIB. Models of glaucoma care: ensuring patients are at the centre. www.rnib.org.uk2017.