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: The American Academy of ophthalmology has recommended screening for diabetic retinopathy 5 years after the diagnosis in patients with type 1 DM (Juvenile onset/IDDM), and at the time of diagnosis in patients with type 2 diabetes (maturity onset / NIDDM).', 'role': 'assistant'}]