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 the features of orbital apex syndrome except: \nSelect and explain. \nA. Ophthalmoplegia, B. Enophthalmos, C. Ophthalmic nerve anaesthesia, D. Amaurosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Enophthalmos', 'role': 'assistant'}]