Ratina Artery Occulsion

Central retinal artery occlusion (CRAO) occurs when there is a blockage in the blood flow to the retina of one eye, leading to sudden vision loss. Several factors increase the risk of CRAO, including high blood pressure, glaucoma, diabetes, and thicker, stickier blood.

The most common cause of CRAO is an embolism, which can be categorized into three types: cholesterol, calcium, and platelet-fibrin. Cholesterol and platelet-fibrin emboli often originate from atheromas in the carotid arteries.

Treating CRAO focuses on improving blood flow and reducing eye pressure. Prompt medical intervention is essential to increase the chances of recovering vision. If you experience sudden vision loss in one eye, it is crucial to seek immediate medical attention.


“Hyper” means increased and “Baric” relates to pressure. Hyperbaric Oxygen therapy (HBOT) thus refers to intermittent treatment of the entire body with 100% oxygen at greater then normal atmospheric pressures.

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