Development of Diabetic retinopathy depends on: (A) Intensity of disease, (B) Age of onset, (C) Duration of disease, (D) Any of the above
Answer is D. D i.e. Any of the above Though duration of disease is the most impoant and best predictor Q of diabetic retinopathy, all the options mentioned here are, infact risk factors for DR, so, its best to go for Option D.