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': 'One of the most common complication of iridocyclitis is: \nSelect and explain. \nA. Scleritis, B. Secondary glaucoma, C. Band-shaped keratopathy, D. Corneal ulcer', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Secondary glaucoma', 'role': 'assistant'}]