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': "Dalen fuch's nodule is seen in: \nSelect and explain. \nA. Sympathetic ophthalmitis, B. Myopia, C. Retinal detachment, D. Spring catarrah", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Sympathetic opthalmitis', 'role': 'assistant'}]