Which finding would suggest involvement of the posterior segment in a horse with vision loss?

Which finding would suggest involvement of the posterior segment in a horse with vision loss?

• A. Abnormal fundus or signs such as vitreous haze, retinal detachment, or choroidal lesions; inability to visualize the retina due to media opacity.
• B. Normal fundus exam with clear media.
• C. Only conjunctival redness.
• D. Mild eyelid swelling.

Answer: (A)