Blurry vision can be an early warning sign of diabetes. It's also a sign of advanced diabetic eye disease. If blood sugar goes uncontrolled, diabetes causes progressive damage to structures in the ...

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.

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.