retinal artery thrombosis is a rare condition in which a blood clot forms in the artery that supplies blood to the retina, which is the light-sensitive layer of tissue at the back of the eye. The most common cause of retinal artery thrombosis is atherosclerosis, a build-up of plaque in the blood vessels. Other causes include:
- Blood disorders, such as hypercoagulable states, where the blood clots too easily.
- Systemic diseases such as polyarteritis nodosa, sarcoidosis, and giant cell arteritis.
- Trauma to the eye or surrounding area.
- Recent surgery or trauma to the head and neck.
- Emboli from a cardiac source such as a heart valve disease or atrial fibrillation.
- Certain medications, such as oral contraceptives and hormone replacement therapy.
- High blood pressure
- Smoking
- Advanced age
- It's important to note that retinal artery thrombosis is a serious condition that requires prompt medical attention. If not treated quickly, it can lead to permanent vision loss in the affected eye.
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