Today the surviving makers of luxury eyewear in the U.S. can be counted on one hand. But the biggest of all, State Optical Co., is just five years old and based in Vernon Hills, Ill.

Most glasses and sunglasses on the market make use of metal or plastic frames. It’s relatively easy to create all manner of interesting frame geometries, tolerances can be easily controlled for ...

Superfocus glasses are the world’s only eyeglasses offering on-demand, user-adjustable, continuously variable focus through the entire field of view. Superfocus are available from eye care ...

TUCSON, April 13 (UPI) -- University of Arizona and Georgia Institute of Technology scientists have created liquid crystal diffractive eyeglass lenses that can alter focusing power. The ...