Astigmatism is a vision disorder that affects how the eye processes light. aluxum/ Getty Images Astigmatism is an eye condition that causes blurry vision, especially in dim light. That's because ...

At Tersigni Vision, a growing number of patients are asking whether Refractive Lens Exchange (RLE)—also known as Custom Lens Replacement—can correct astigmatism and reduce their dependence on glasses ...