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': 'Cause of exudative retinal detachment are –a) Scleritisb) Toxaemia of pregnancyc) Dysthyroid eye diseased) Central serous retinopathye) Sickle cell retinopathy \nSelect and explain. \nA. acd, B. abd, C. abc, D. ab', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Posterior scleritis, Toxaemia of pregnancy and central serous retinopathy can cause exudative retinal detachment.', 'role': 'assistant'}]