Figure 3

Retinal screening grading pathway, NHS England. Public Health England.41 Public health functions to be exercised by NHS England. Service specification No 22. NHS Diabetic Eye Screening Programme. Department of Health, NHS England, November 2013. Contains public sector information licensed under the Open Government Licence v3.0. Abbreviations: M0, no maculopathy; M1, maculopathy; R0, no retinopathy; R1, background retinopathy; R2, pre-proliferative retinopathy; R3a, active proliferative retinopathy; R3s, stable proliferative retinopathy.