Over the last century, eyeglasses have evolved from a basic vision aid to a sophisticated blend of functionality and fashion.

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 ...

and brand.Eyeglass lenses are made of different materials, including glass, plastic, or high-index materials. Each can affect ...

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 ...