This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uveitis, Subject name: Ophthalmology
In a patient with AIDS, chorioretinitis is typically caused by 
Select and explain. 
A. Cytomegalovirus, B. Toxoplasma gondii, C. Cryptococcus neoformans, D. Histoplasma capsulatum
A: Cytomegalovirus
Answer: A: Cytomegalovirus 
Explanation: Commonest ocular infection in HIV patient - CMV retinitis Bush- Fire appeareance Pizza- Pie Appearance Sauce & Cheese Appearance OCULAR HIV : - M/C ocular manifestation - Cotton wool spot or soft exudate or HIV retinopathy - M/C occular infection - CMV retinitis - M/C occular tumor - kaposi sarcoma > Lymphoma