A one-step holographic technique is helping researchers in Australia to test for errors in the human eye. The researchers say that holography is a simple, high speed and low cost way to diagnose ...

Astigmatism is a common eye condition where the cornea (outermost eye layer) is irregular. The cornea is usually round like a sphere, but people with astigmatism have oval-shaped corneas. This shape ...

You're cruising down the highway at dusk when suddenly, every oncoming headlight transforms into a starburst explosion.

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. The ...

Acuity of vision is a term used to describe the clearness or sharpness of your vision when measured at a distance of 20 feet. ‌ Visual acuity is the most common clinical measurement of how your eyes ...

For children with severe astigmatism, wearing glasses to correct blurred vision can significantly improve accurate reading speed, reports a new study. Astigmatism is a common condition causing blurred ...