This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': 'Posterior capsule opacities are treated by \nSelect and explain. \nA. Argon green laser, B. Lens explantation, C. Nd:YAG Laser, D. Diode laser', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is c i.e., Nd:YAG Laser * Nd:YAG Laser is used for treatment of posterior capsular opacities commonly seen after cataract surgeries.', 'role': 'assistant'}]