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': 'Blunt trauma to the eye may produce all of the following changes in the vitreous except: \nSelect and explain. \nA. Syneresis, B. Asteroid hyalosis, C. Synchiasis scintillans, D. Liquefaction', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Asteroid hyalosis', 'role': 'assistant'}]