Central Retinal Artery Occlusion (CRAO)

Risk Factors/Causes

Atherosclerosis
Emboli
- Cardiac sources:valves or myxoma
Coagulopathies
- Sickle cell
- Oral contraceptives
- pregnancy
- homocystinuria
- platelet abnormalities
- clotting factor abnormalities
- Collagen vascular diseases
Ocular abnormalities
- Arterial loops
- optic disc drusen
Migraine
Hypotension
Trauma
Age
- 60 + years old
Gender
- more men than women are affected.
1-2 % are bilateral