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': 'Treatment of choice in aphakia – \nSelect and explain. \nA. Contact lens, B. Spectacles, C. IOL, D. Laser therapy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Treatment of choice for aphakia is posterior chamber IOL.', 'role': 'assistant'}]