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': "Typically bilatyeral inferior subluxations of the lens is seen in - \nSelect and explain. \nA. Marfan's syndrome, B. Homocystinuria, C. Hyperinsulinemia, D. Ocular trauma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: In Homocystinuria there is inferomedial (inferonasal) dislocation of lens. (Ref: Khurana 7th/e p.222 & 4th/e p.202)', 'role': 'assistant'}]