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': 'Cystoid macular edema develops commonly after: March 2013 (a, d) \nSelect and explain. \nA. Extracapsular lens extraction, B. Intracapsular lens exraction, C. Proliferative diabetic retinopathy, D. Uveitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. IntracaPsular lens extraction', 'role': 'assistant'}]