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 is a cause of secondary angle closure glaucoma ? \nSelect and explain. \nA. Pseudophakia, B. Coicosteroid induced, C. Angle recession glaucoma, D. Congenital glaucoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Pseudophakia Causes of secondary angle closure glaucoma Pupillary block: uveitis, psudophakia Angle fibrosis: neovascular glaucoma", 'role': 'assistant'}]