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': 'Type of laser used for capsulotomy is: \nSelect and explain. \nA. CO2, B. Ruby, C. Nd:YAG, D. Argon', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Nd:YAG', 'role': 'assistant'}]