Case definitions for diabetic retinopathy and age-related macular degeneration
| DR: ETDRS classification | AMD: AREDS grading scale |
|---|---|
| None CSME Mild NPDR Moderate NPDR Severe NPDR PDR Retinal laser completed |
Large drusen Pigmentary changes |
CSME: Clinically significant macular edema, NPDR: Nonproliferative diabetic retinopathy, PDR: Proliferative diabetic retinopathy, ETDRS: Early treatment diabetic retinopathy study, AREDS: Age-related eye disease study