Astigmatism Explained: Anatomy, Diagnosis, and Lens Options
Astigmatism is a refractive error caused by an irregularly curved cornea or lens. Instead of focusing light at a single point on the retina, the eye forms two focal lines, producing blurred or distorted vision at all distances. This guide covers the anatomy, the types, how it is measured, how to read it on a prescription, and the lens options available for correction.
