Shades Of Meaning

Shades of MeaningThere's More to sunglasses than meets the eyes. Lenses come in an array of colors--gray, green and tan, plus a spectrum of the cosmetic tints. (Neutral gray gives the greatest natural color fidelity.) Polarized lenses feature an optical barrier that eliminates the reflected glare from horizontal surfaces such as water, shiny roads, snow and sand. Gradient lenses have slightly varied shading; usually, it's darkest at the top and gradually lighter toward the bottom. And then there...