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': 'Ocular associations of primary open-angle glaucoma include all except: \nSelect and explain. \nA. Central retinal vein occlusion, B. Central retinal aery occlusion, C. Retinal detachment, D. Retinitis pigmentosa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Central retinal aery occlusion', 'role': 'assistant'}]