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 round. It is broadly classified into two types: regular and irregular.

Dr. Everett answers the question: 'What's Astigmatism And How Common Is It?' Aug. 24, 2009— -- Question: What is astigmatism and how common is it? Answer ...

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 ...

MrBeast, the globally renowned YouTuber and philanthropist, recently took to X (formerly Twitter) to share a surprising update about his health. In response to years of online comments about his ...

The prevalence and severity of refractive and corneal astigmatisms increased among children after the COVID-19 pandemic. Previous research has linked the pandemic to increases in myopia progression ...

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