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': 'Following predispose to glaucoma, except: \nSelect and explain. \nA. Flat cornea, B. Increased length of eyeball, C. Angular recession, D. Big size of cilliary body', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Increased length of eyeball', 'role': 'assistant'}]