https://www.the-independent.com/life-style/health-and-families/astigmatism-eye-what-glasses-contact-lenses-symptoms-vision-b2893337.html
What is astigmatism? The common eye condition that affects 40% of people | The Independent
Jan 2, 2026 - Astigmatism is a type of refractive error where one or more of the eye’s surfaces are not smooth or round
common eye conditionaffects
https://www.news-medical.net/health/Astigmatism-Common-Eye-Condition.aspx
Astigmatism - Common Eye Condition
Astigmatism is a term that refers to an imperfection in the shape of the cornea.
common eye condition