This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'A 45 year man is diagnosed with diabetes at his present visit for the first time. When should he visit an ophthalmologist- \nSelect and explain. \nA. On his 50th bihday, B. When dimness of vision stas, C. Before his 50th bihday, D. Immediately at time of diagnosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans is option 4 - immediately Patients with type 2 DM should have an initial dilated and comprehensive eye examination soon after diagnosis. Due ti risk of diabetic retinopathy at tume of diabetes diagnosis. According to American diabetic association guidelines for screening of diabetic retinopathy.', 'role': 'assistant'}]