Proposed international clinical diabetic retinopathy and diabetic macular edema disease severity scales.
D003930:Diabetic Retinopathy / Q000145:classification* / Q000175:diagnosis; D006801:Humans; D038801:International Classification of Diseases; D008269:Macular Edema / Q000145:classification* / Q000175:diagnosis; D012720:Severity of Illness Index