Table 2

 Levels of maculopathy according to Scottish Diabetic Retinopathy Grading Scheme 2003

MaculopathyDescriptionOutcome
M1 (observable)Lesions within a radius of >1 but ⩽2 disc diameters of the centre of the foveaRe-screen in 6 months (or refer to ophthalmology if this is not feasible)
Any hard exudates
M2 (referable)Lesions within a radius of ⩽1 disc diameters of the centre of the foveaRefer to ophthalmology
Any blot haemorrhages
Any hard exudates