Degree of diabetic retinopathy depends on
B i.e. Duration of disease The presence & degree of diabetic retinopathy is more closely related to the duration of disease than to its severityQ. Duration of disease is the most impoant and best predictor Q of diabetic retinopathy. In diabetic retinopathy aeriolar changes consist of narrowing Q (not dilation) silver-wiring and obliteration resembling branch retinal aery occlusion. And venous changes are bending, looping and sausage like segmentation.
Type of disease
Duration of disease
Severity of disease
Retinal involvement
Duration of disease