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': "Anterior lenticonus may be associated with \nSelect and explain. \nA. Marfan's syndrome, B. Alpo's syndrome, C. Homocystinuria, D. Lowe's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lenticonus: It refers to cone-shaped elevation of the anterior pole (lenticonus anterior) or posterior pole (lenticonus posterior) of the lens. Lenticonus anterior may occur in Alpo&;s syndrome and lenticonus posterior in Lowe&;s syndrome. Slit-lamp examination confirms the diagnosis. Ref:- A K Khurana; pg num:-204', 'role': 'assistant'}]