Central retinal artery occlusion Flashcards
What is central retinal artery occlusion?
A relatively rare cause of sudden unilateral visual loss.
What are the main causes of central retinal artery occlusion?
Thromboembolism (from atherosclerosis) or arteritis (e.g. temporal arteritis).
What is a key feature of central retinal artery occlusion?
Sudden, painless unilateral visual loss.
What is a relative afferent pupillary defect?
A sign indicating a defect in the afferent pathway of the eye.
What characteristic appearance might be observed on the retina in central retinal artery occlusion?
‘Cherry red’ spot on a pale retina.
What is the management approach for central retinal artery occlusion?
Management is difficult and the prognosis is poor.
What underlying conditions should be identified and treated in central retinal artery occlusion?
Conditions like temporal arteritis may require intravenous steroids.
What treatment may be attempted if a patient presents acutely with central retinal artery occlusion?
Intraarterial thrombolysis.
