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': 'Common ocular manifestation in Trisomy 13 is - \nSelect and explain. \nA. Capillary hemangioma, B. Bilateral microphthalmos, C. Neurofibroma, D. Dermoid Cyst', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ocular manifestations of Patau's syndrome (trisomy 13) include: Microphthalmos / Anophthalmos, cyclopia, corneal opacity, cataract / congenital glaucoma, retinal dysplasia, hypertelorism, PHPV, anterior segment dysgenesis.", 'role': 'assistant'}]