This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
[{'content': 'YAG laser capsulotomy is used in- \nSelect and explain. \nA. Retinal detachment, B. Diabetes, C. After-cataract, D. Refractive errors', 'role': 'user'}, {'content': 'Answer: C \nExplanation: *After cataract is treated by Nd-YAG laser posterior capsulotomy. *YAG laser is used to create holes e.g. posterior capsulotomy,irototomy. Ref: Khurana 7th/e p.212', 'role': 'assistant'}]