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': 'Laser used in cutting out cataract capsule is \nSelect and explain. \nA. Nd : YAG laser, B. Argon laser, C. DYE laser, D. Diode', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Nd:YAG Laser', 'role': 'assistant'}]