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 nodules in sympathetic Opthalmitis are formed on \nSelect and explain. \nA. Iris, B. Ciliary body, C. Choroid, D. All the above", 'role': 'user'}, {'content': "Answer: D \nExplanation: Dalen Fuch's nodules are formed due to proliferation of the pigment epithelium (of Iris, ciliary body and choroid).", 'role': 'assistant'}]