This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular Disorders, Subject name: Ophthalmology
[{'content': 'Earliest feature of Diabetic Retinopathy is? \nSelect and explain. \nA. Microaneurysms, B. Cotton Wool spots, C. Dot-&-Blot haemorrhages, D. Hard Exudates', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ANSWER: (A) MicroaneurysmsREF: Yanoff 2nd edition page 878Microaneurysms are the first ophthalmoscopically detectable change In diabetic retinopathy', 'role': 'assistant'}]