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
Earliest feature of Diabetic Retinopathy is? 
Select and explain. 
A. Microaneurysms, B. Cotton Wool spots, C. Dot-&-Blot haemorrhages, D. Hard Exudates
A: Microaneurysms
Answer: A: Microaneurysms 
Explanation: ANSWER: (A) MicroaneurysmsREF: Yanoff 2nd edition page 878Microaneurysms are the first ophthalmoscopically detectable change In diabetic retinopathy