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': 'Most common type of Congenital cataract with significant visual disability \nSelect and explain. \nA. Blue dot Cataract, B. Lamellar Cataract, C. Nuclear Cataract, D. Posterior sub capsular Cataract', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Most common type of Congenital cataract is\xa0blue dot Cataract.\nMost common type of Congenital cataract with significant visual disability\xa0Lamellar Cataract.', 'role': 'assistant'}]