<prompt> In a patient with AIDS chorioretinitis is typically causedCytomegalovirusToxoplasma gondiiCryptococcus neoformansHistoplasma capsulatum  <response>: A i.e. Cytomegalovirus CMV is the most common ocular infection Q as well as most common cause of retinitis in patient of AIDS Q. The classical forms of CMV retinitis is haemorrhagic type, which has been called Crumbled cheese and ketchup sauce cheese Q or pizza pie, appearance, brush fire appearanceQ and granular form. 