Ocular manifestations of AIDS.

1. Cytomegalovirus retinitis is the leading cause of AIDS-related blindness. 2. Patients with reduced CD4 counts are at risk of developing cytomegalovirus retinitis and should be informed of symptoms (floaters, scotoma) and should have periodic dilated retina examinations. 3. AIDS patients who develop herpes zoster should be monitored for progressive outer retinal necrosis.