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': 'Posterior staphyloma is most commonly seen in: March 2012 \nSelect and explain. \nA. Perforating injuries of the peripheral cornea, B. Developmental glaucoma, C. Sloughing corneal ulcer, D. Degenerative myopia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: D i.e. Degenerative myopia Staphyloma & causes The usual causes of intercalary staphyloma are perforating injuries of the peripheral cornea, marginal corneal ulcer, anterior scleritis etc. Developmental glaucoma, end stage primary or secondary glaucoma, scleritis & trauma to the ciliary region of the eye are some of the conditions that lead to a ciliary staphyloma The most common cause of anterior staphyloma is a sloughing corneal ulcer which perforates && heals with the formation of a pseudocornea Degenerative high axial myopia is the most common cause of posterior staphyloma', 'role': 'assistant'}]