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A member asked:
What are the causes of that grey film over the eyes when a person faints?
A doctor has provided 1 answer
Decreased blood flow: Fainting often can be the result of decreased blood flow to the brain. As the carotid arteries enter the skull, the first branches from them are actually to the eyes. Decreased blood flow to the eyes can result in a "greying out" of the vision. It occurs because the retinal and optic nerve tissues are not getting enough oxygen.
Answered 12/28/2019
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