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': 'Contracted socket occurs because of all the following except: \nSelect and explain. \nA. Chronic low grade infection, B. Chronic mechanical irritation, C. Irradiation, D. Loss of fatty tissue during surgery of enucleation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Loss of fatty tissue during surgery of enucleation', 'role': 'assistant'}]