Chorioretinitis changes are depigmentation of which area?

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Enhance your knowledge of equine eye health. Prepare for the Clinical Equine Ophthalmology Test with targeted quizzes, interactive flashcards, and detailed explanations.

Multiple Choice

Chorioretinitis changes are depigmentation of which area?

Explanation:
Chorioretinitis often presents with depigmentation in the non-tapetal retina surrounding the optic nerve head. This region lacks the tapetum lucidum, so inflammatory damage to the retinal pigment epithelium here results in visible pigment loss around the disc. The dorsal tapetal area isn’t where this characteristic depigmentation is seen. Peripheral retina changes can occur with various conditions, but the classic site for chorioretinal depigmentation is around the optic disc in the non-tapetal zone. Also, the fovea centralis is not a feature of the equine retina, so that site isn’t typically involved.

Chorioretinitis often presents with depigmentation in the non-tapetal retina surrounding the optic nerve head. This region lacks the tapetum lucidum, so inflammatory damage to the retinal pigment epithelium here results in visible pigment loss around the disc. The dorsal tapetal area isn’t where this characteristic depigmentation is seen. Peripheral retina changes can occur with various conditions, but the classic site for chorioretinal depigmentation is around the optic disc in the non-tapetal zone. Also, the fovea centralis is not a feature of the equine retina, so that site isn’t typically involved.

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