Refraction is the change in direction of light when it passes from one medium to another. The working of a lens is based on the refraction of light when they pass through it. Lens is a transparent ...

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 ...

A refraction test is usually given as part of a routine eye examination. It may also be called a vision test. This test tells your eye doctor exactly what prescription you need in your glasses or ...

As more patients seek permanent alternatives to glasses and contacts, Refractive Lens Exchange (RLE)—also known as Custom Lens Replacement—continues to grow in popularity. In a newly published article ...