What is a Cataract? Our eyes function very much like a camera. You have two natural lenses in your eye. One lens is on the surface (cornea) of your eye, and a second lens is within your eye, called the crystalline lens. Together, these lenses focus images on the back of your eye (retina). At birth, our crystalline lens is clear. As we begin to age, it yellows and begins to harden. When this lens becomes cloudy, it is referred to as a cataract and begins to interfere with the quality of our … [Read more...] about Lens Replacement Surgery