by the analysis of fluorescein angiography we have classified diabetic retinopathy as follows : absent retinopathy ( ar , n = 23 ) , minimal retinopathy ( mr , n = 16 ) , exudative retinopathy ( er , n = 15 ) , proliferative retinopathy ( pr , n = 14 ) .
C0035309
retinopathy
C0154832
exudative retinopathy