Table A1.
The Grading Scheme used in the Kilimanjaro Diabetic Programme based on the minimum data set recommended by the English and Wales National Screening Committee
| Retinopathy (R) | ||
| Level 0 | None | |
| Level 1 | Background | Microaneurysm(s) |
| Retinal haemorrhage(s) | ||
| Exudate(s) | ||
| Level 2 | Pre‐proliferative | Venous beading |
| Venous loop or reduplication | ||
| Multiple deep, round or blot haemorrhages | ||
| Intraretinal microvascular abnormality (IRMA) | ||
| Level 3 | Proliferative | New vessels on the disc (NVD) |
| New vessels elsewhere (NVE) | ||
| Pre‐retinal or vitreous haemorrhage | ||
| Pre‐retinal fibrosis | ||
| Maculopathy (M) | ||
| No Maculopathy | Does not meet any of the criteria for maculopathy | |
| Non‐referable maculopathy | Any microaneurysm or haemorrhage with 1 disc diameter (DD) of the fovea | |
| Referable maculopathy | Any exudate within 1 DD of the centre of the fovea | |
| Photocoagulation (P) | Focal/grid to macula | |
| Peripheral scatter | ||
| Ungradable (U) | Ungradable/unclassifiable | |