Photochromic lenses are one of your options when selecting eyeglasses. These lenses get darker in color when exposed to the sun or other sources of UV light. Photochromic lenses are ideal for people ...

As we get older, our eyes get worse. That’s just a fact of life. It is a rite of passage the first time you leave the eye doctor with a script for “progressive” lenses which are just fancy bifocals.

Lenses made with liquid crystals could lead to eyeglasses that can easily switch between correcting near- and far-sightedness. Instead of fashioning lenses just from glass, which must be made convex ...