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.

Because of the deleterious effect of astigmatism on vision, modern ophthalmologic practice has developed multiple methods to treat astigmatism at both the corneal and the lenticular level.

The COVID-19 pandemic has led to increased astigmatism in children, with prolonged screen time and less outdoor activity ...