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': 'A 60 year old male patient operated for cataract 6 months back now complains of floaters and sudden loss of vision. The diagnosis is – \nSelect and explain. \nA. Vitreous hemorhage, B. Retinal detachment, C. Central retinal artery occlusion, D. Cystoid macular edema', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Amongst the given options, retinal detachment and vitreous hemorrhage can cause floaters with sudden loss of vision. However, vitreous hemorrhage is not a late complication of cataract surgery.\nLate complications ofcataract surgely are - cystoid macular oedema, retinal detachment, epithelial ingrowth, fibrous ingrowth, vitreous touch syndrome, after cataract.', 'role': 'assistant'}]