Parent term(s)

retinal vascular disease +

Term with siblings

diabetic retinopathy +

exudative vitreoretinopathy +
retinal ischemia
retinal microaneurysm
retinal telangiectasia +
retinal vascular occlusion +
retinal vasculitis

Child term(s)

background diabetic retinopathy

diabetic macular edema

proliferative diabetic retinopathy

severe nonproliferative diabetic retinopathy

denotes an 'is-a' relationship