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': 'All are the advantages of leaving the capsule behind in cataract surgery except: \nSelect and explain. \nA. Prevents cystoid macular edema, B. Decreases endothelial damage, C. Progressively improves vision, D. Decreases chance of retinal detachment', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Progressively improves vision', 'role': 'assistant'}]