You may want to consider Transitions photochromic lenses for your primary pair of glasses. They adjust automatically to changing light conditions to allow just the right amount of light to reach the ...

If you're wearing them even one day a week, glasses are a steady part of your look, probably more so than any of your clothes ...

Instead of a concave lens near the eye, Kepler used a convex lens ... Standing on shoulders Both types of telescopes—Galileo's refractor and Newton's reflector—underwent improvements in ...

Your daily routine can significantly impact your choice between eyeglasses and contact lenses. Types of Contact Lenses Daily Wear Lenses Daily wear lenses are designed to be worn during the day ...