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 Cataract, spectacles are advised after following number of weeks after operation \nSelect and explain. \nA. 6 weeks, B. 10 weeks, C. 12 weeks, D. 14 weeks', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. 6 weeks', 'role': 'assistant'}]