This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Sclera), Subject name: Ophthalmology
[{'content': 'Posterior staphyloma is seen in - \nSelect and explain. \nA. Corneal Ulcer, B. Degenerative high axial myopia, C. Chronic Uncontrolled glaucoma, D. Complication of cataract surgery', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Degenerative high axial myopia", 'role': 'assistant'}]