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': 'Spontaneous absorption of lenticular material is seen in – \nSelect and explain. \nA. Myotonic dystrophy, B. Hallermann Streiff syndrome, C. Aniridia, D. Persistent hyperplastic primary vitreous', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Spontaneous absorption of lens may occur in Hallermann-streiff-syndrome.', 'role': 'assistant'}]