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': 'All of the following are features of synchysis scintillans except: \nSelect and explain. \nA. Fluid vitreous, B. Spherical calcium bodies, C. Shower of gold rain, D. Secondary to trauma or inflammations of the eye', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Spherical calcium bodies', 'role': 'assistant'}]