👉 Astigmatism is a condition in which an eye's lens does not focus light equally on both eyes. This can cause blurry vision, especially when looking at objects that are too close together or if there are reflections off of the surface of the eye. Astigmatism occurs because the iris (the opening in the front half of the eye) is slightly different in each eye, leading to a mismatched focus of light on both eyes. The term "astigmatism" refers to this condition and