This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'In recently :ecognised IDDM patient examination of fundus is done at: \nSelect and explain. \nA. Immediately, B. At 1 year, C. At 5 year, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. At 5 year', 'role': 'assistant'}]