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 congenital cataract is – \nSelect and explain. \nA. Needing and aspiration, B. Intracapsular extraction, C. Extracapsular extraction, D. Cryotherapy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Extracapsular cataract extraction (ECCE) with primary posterior capsulectomy and anterior vitrectomy is the procedure of choice (via limbal or pars plana approach). This is done by phacoemulsification.\nThe needling operation (which was performed in the past) is now obsolete.', 'role': 'assistant'}]