You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Development of Diabetic retinopathy depends on and explain in detail?
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.