Severity of diabetic macular edema Diabetic Macular Edema Disease Severity Scales [2] Modified Diabetic Macular Edema Disease Severity Scales
Mild some retinal thickening or hard exudates in posterior pole but distant from the center of the macula edema seen between 3mm and 6mm circles at central macular
Moderate retinal thickening or hard exudates approaching the center of the macula but not involving the center edema seen between 1mm and 3mm circles at central macular
Severe retinal thickening or hard exudates involving the center of the macula edema seen within 1mm circle at central macular
Table 1: Classification of diabetic macular edema.