Medically reviewed by Andrew Greenberg, MD 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 ...

Let’s find out. You might’ve guessed already from the title (or hearing the term bandied about in an optometrist’s office), but astigmatism is an eye problem that leads those with it to have ...

The prevalence and severity of refractive and corneal astigmatism in children rose after the COVID-19 pandemic, according to ...

Astigmatism is an eye condition where light doesn’t hit the back of your eye evenly. It happens when either your cornea or lens aren’t perfectly round. Instead, it’s shaped like a football.

Screen time and reduced outdoor activity during the pandemic may have lasting effects on children’s eye health, including changes in corneal curvature. Study: Prevalence and Severity of ...

Astigmatism is the most common refractive error, defined as a difference in the regular curvature of the eye, which causes blurred image through the eye. Refractive astigmatism (RA) is the total ...

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 ...