This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glaucoma, Subject name: Ophthalmology
[{'content': 'Which of the 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: (Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 249 - 251)Causes of secondary angle closure glaucomaPupillary block: uveitis, pseudophakiaAngle fibrosis: neovascular glaucoma', 'role': 'assistant'}]