Skip to main content
. 2020 Jul 20;27(2):91–99. doi: 10.4103/meajo.MEAJO_144_19

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