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': 'Treatment of choice for congenital cataract is - \nSelect and explain. \nA. Pharmacotherapy, B. Combined cataract surgery and Goniotomy, C. Cataract surgery with IOL implant, D. Pars plana lensectomy with no IOL implant', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pharmacotherapy has no significant effect in inducing the disappearence of cataract once opacities have developed. Goniotomy not done in cataract. treatment of choice in congenital cataract is cataract extraction surgery with implantation of IOL', 'role': 'assistant'}]