Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or ...

NEW YORK — A new generation of toric IOLs now offers more precise correction for regular astigmatism because of sophisticated vector analysis software, which refines IOL power calculations and ...

Astigmatism is a common condition that affects how your cornea directs light to your retina. It’s a refractive error that occurs due to an abnormal or uneven ...

The eye acts like a camera, capturing light through the front surface (the cornea) and focusing it onto the “film” at the back of the eye (retina). To get a clear picture, the eyeball and all of its ...

Astigmatism is when either the cornea or the crystalline lens in the eye does not curve in the usual way. A person may have blurred vision or find themselves squinting. Corrective lenses can often ...

Please provide your email address to receive an email when new articles are posted on . Patients with irregular corneal astigmatism pose additional challenges when it comes time for cataract surgery.

Have you ever gone to the optometrist for an eye test and been told your eye was shaped like a football? Or perhaps you’ve noticed your vision is becoming increasingly blurry or hard to focus? You ...