Here are a few examples of highly specialized prescription lenses – some that have just hit the market, and some that are ...

Over 150 million Americans use glasses. They are typically made up of a frame and either glass or plastic lens. The lens could be either concave, which is typically used to correct nearsightedness ...

Prescription eyeglasses can cost as much as $1,000, and most have plastic lenses, which scratch more easily than glass. Clearly, you need to protect your investment. But should you clean lenses ...