A transient ischemic attack (TIA), or mini-stroke, is a temporary blockage of blood flow to the brain, often causing sudden vision changes, speech difficulties, or limb weakness, signaling a higher ...

Medically reviewed by Andrew Greenberg, MD Whether blurred vision affects one eye or both, vision changes are always a ...

Blurred vision in one eye can be due to a number of things including stroke or macular degeneration. There are plenty of infections that may also be the cause like COVID-19, iritis, or ocular herpes.

You may already know the common signs of a stroke—sudden vision loss, a drooping face, weak arms or legs, and slurred speech.

Astigmatism occurs when the eye is shaped more like an oval than a sphere, causing blurry vision. Astigmatism affects about one in three Americans and it occurs more frequently as you age.