This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea and sclera, Subject name: Ophthalmology
[{'content': "Hard exudates are seen in the following except \nSelect and explain. \nA. Hypeensive retinopathy, B. Diabetic retinopathy, C. Exudative retinopathy of Coat's, D. Leukemic retinopathy", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Leukaemic retinopathy It is characterised by pale and orange fundus background with dilated and touous veins. In later stages, greyish white lines may be seen along the course of the veins (due to perivascular leukaemic infiltration). Aerioles become pale and narrow. Retinal haemorrhages with typical white centre (Roth spots) are very common. Occasionally large pre-retinal (sub hyaloid) haemorrhages may also be seen. Ref:- A K KHURANA; pg num:-264', 'role': 'assistant'}]