What does it mean when you can barely see out of one eye?
Temporary loss of vision in one eye It’s usually a symptom of an underlying condition that’s causing insufficient blood flow to the eye, such as a blood clot. The vision loss can last from seconds to minutes. It’s referred to in medical terms as: amaurosis fugax.
Why do I have blurred vision in my left eye?

Health conditions such as migraines, strokes, and head trauma can cause visual acuity problems. The eyes are closely connected to the brain; issues in the brain can easily affect the eyes. Plus, certain medications to treat other issues can cause temporary blurred vision.
Why do I have floating spots in my vision?
Go to Symptom Checker. Benign eye floaters are tiny floating specks or cobwebs in your vision. A cataract is a cloudy area in the lens of the eye and can cause blurry or dim vision. Diabetes can make you feel hungry, tired, or thirsty; you may urinate more than normal and have blurry vision.
When does a detached retina cause blurred vision?
A detached retina occurs when your retina tears away from the back of your eye and loses its blood and nerve supply. When it happens, you see flashing lights and black flecks followed by an area of blurred or absent vision. Without emergency treatment, vision in that area may be permanently lost.

What happens if you have a floater on your eye?
They might annoy you, but they shouldn’t interfere with your sight. If you have a large floater, it can cast a slight shadow over your vision. But this tends to happen only in certain types of light. You can learn to live with floaters and ignore them.
What causes blurred vision after looking at something for long time?
Other causes of sudden blurred vision. 6. Eye strain. Eye strain can occur after looking at and focusing on something for a long time without a break. When it’s the result of focusing on an electronic device like a computer or cellphone, it’s sometimes called digital eye strain.
Go to Symptom Checker. Benign eye floaters are tiny floating specks or cobwebs in your vision. A cataract is a cloudy area in the lens of the eye and can cause blurry or dim vision. Diabetes can make you feel hungry, tired, or thirsty; you may urinate more than normal and have blurry vision.
What do floaters in your vision look like?
Floaters & Flashers. Are small specks of dust or wispy threads that drift in front of your vision, or the sensation of a flash of light, a sign of a serious eye problem? Most of the time they are not. Light flashes can, however, be a symptom of a more serious eye problem.
What to do about blurred vision in one eye?
If you experience blurred vision in one eye, you should contact your health care provider to determine the underlying cause of your blurred vision in one eye and get treatment if needed.