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': 'A case of Non-Insulin dependent diabetes mellitus (NIDDM) with a history of diabetes for one year should have an ophthalmic examination? \nSelect and explain. \nA. As early as feasible, B. After 5 years, C. After 10 years, D. Only after visual symptoms develop', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. As early as feasible', 'role': 'assistant'}]