Title: Causes of Temporary Blindness and Short-Term Vision Loss
Headings: Temporary Blindness and Short-Term Vision Loss
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Temporary Blindness and Short-Term Vision Loss
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Sudden Total or Near-Total Vision Loss
Continued
Temporary, Partial Vision Loss

Content: If you have partial vision loss, a migraine is the most likely reason. But there are other, less common, causes that need prompt treatment to save your sight. You’ll want to know what the causes are and what to do if it happens. Sudden Total or Near-Total Vision Loss
It can happen if a clot creates a blockage in your retinal artery. Your doctor may call it “central retinal artery occlusion ” or “branch retinal artery occlusion.” It also means you’re at risk for a stroke or heart attack. It can happen if you get a blood clot that clogs a blood vessel in the eye. It’s similar to how a clot can trigger a heart attack if plaque in your coronary arteries breaks off and forms a clot. If the same thing happened in your brain, it would be an “ischemic” (clot-triggered) stroke. Continued
Clots can cause temporary blindness in one eye, usually lasting 20 to 30 minutes.