A 36-year-old man abruptly loses vision in one eye. His retina appears cloudy and grayish yellow with narrowed arterioles. The fovea appears cherry red, and the vessels that are obvious appear to have segmented columns of blood. Which of the following is the most likely diagnosis?

a. Chorioretinitis

b. Occlusion of the central retinal vein

c. Occlusion of the central retinal artery

d. Optic neuritis

e. Tay-Sachs disease

the answer is below…

Continue reading