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 except one predispose to angle closure glaucoma – \nSelect and explain. \nA. Small cornea, B. Flat cornea, C. Shallow AC, D. Short axial length of eye ball', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Predisposing factors for PACG :- i) Shallow anterior chamber, ii) Short eye (short axial length), iii) Smaller corneal diameter, iv) Anterior location of iris-lens diaphragm, v) Hypermetropic eye, vi) Large lens (older cataractous).', 'role': 'assistant'}]