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