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 are the ocular association of retinitis pigmentosa except: \nSelect and explain. \nA. Myopia, B. Primary angle closure glaucoma, C. Microphthalmos, D. Conical cornea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Primary angle closure glaucoma', 'role': 'assistant'}]