Left: Active chorioretinitis in the eye of a cat. The normally transparent retina is infiltrated with edema, inflammatory exudates, and cells appearing as raised, translucent, or cloudy areas (hyporeflective lesions). This lesion is consistent with a fungal infection such as histoplasmosis. Right: Normal cat fundus.
Left image courtesy of K. Gelatt. Right image courtesy of Dr. Ralph Hamor.