Skip to main content

CRAO

Central Retinal Artery Occlusion

Plain-language definition

Blockage of the main artery to the retina - an 'eye stroke' causing sudden, severe, painless vision loss. An ocular emergency.

Where this term comes up

Category
Condition, finding, or disease process
Also written as
No alternate forms listed.

Pathology terms describe diseases, tissue changes, exam findings, or complications that can affect vision or eye comfort.

Related glossary terms

A note on medical context

A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.