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': 'A 65 year old man complains of difficulty in reading newspaper with his left eye, three weeks after sustaining a gunshot injury to his Right eye. Diagnosis is \nSelect and explain. \nA. Macular edema, B. Retinal detachment, C. Sympathetic ophthalmitis, D. Hyphaema', 'role': 'user'}, {'content': 'Answer: C \nExplanation: It is a serious bilateral granulomatous panuveitis which follows a penetrating ocular trauma.', 'role': 'assistant'}]