This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
Ocular findings in AIDS are all except- 
Select and explain. 
A. >50% of patients have cotton wool spots, B. Kaposi sarcoma of eyelids, C. Roth spots, D. Cotton wool spots harbours CMV
D: Cotton wool spots harbours CMV
Answer: D: Cotton wool spots harbours CMV 
Explanation: *Cotton wool spots are just retinal nerve fibre layer infarct (they do not harbour any organism) Ocular findings in AIDS:- *Ocular manifestations of AIDS may be seen in up to 70-90% of patients. *Most common are cotton wool spots, CMV retinitis and conjunctival/ eyelid kaposi sarcoma. *50-70% of HIV- Infected patients develop HIV retinopathy which has following findings: 1) Cotton- wool spots 2) Intraretinal hemorrhage 3) Roth spots 4) Retinal microaneurysms. Ref: Yanoff & ducker 4th/e p.628