Retinal Changes
Permanent CRAO with cilioretinal artery sparing
Cherry-red spot, retinal opacity and cotton-wool spots are present in 3% patients within 7 days of onset
Permanent CRAO
Cherry red spot present , Diffuse retinal opacity present in the posterior fundus or macular region , Retina in the macular region becomes atrophic after retinal opacity resolves
Transient CRAO
Retinal pigment epithelial changes is present in 13% of patients