Ophthalmology On retinal examination of a diabetic patient, cotton wool spots are noted. What is the cause of cotton wool spots seen in this case? A Retinal edema B Retinal holes C Retinal haemorrhage D Macular degeneration 💡 Explanation On retinal examination of a diabetic patient, cotton wool spots are noted. What is the cause of cotton wool spots seen in this case? ✓ Correct Answer: A. Retinal edema