This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitreous and retina, Subject name: Ophthalmology
[{'content': 'Hard exudates not seen in - \nSelect and explain. \nA. Hypeension, B. DM, C. Toxemia of pregnancy, D. SLE', 'role': 'user'}, {'content': "Answer: C \nExplanation: causes of hard exudates on the retina. \x01Diabetic retinopathy \x01 Hypeensive retinopathy \x01 Coats' disease \x01 Circinate retinopathy Ref Comprehensive ophthalmology AK Khurana 4th edition page no 495", 'role': 'assistant'}]