Retinitis caused by CMV (fundus photograph)
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Retinitis may be caused by several infectious agents, including toxoplasmosis, cytomegalovirus and candida. Cytomegalovirus retinitis is an important cause of blindness in AIDS patients, and is the most common cause of vision loss in AIDS patients. Candida may spread to the retina from the bloodstream, which usually leads to the production of several abscesses in the retina.
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