Sunglasses generally come in several colors

Cheap Mirrored Sunglasses generally fall into two categories, light and dark, and are composed of a variety of colors. Judge the quality of sunglass bad or bad, key should examine top focal degree and prismatic degree, transmission ratio characteristic, surface quality and intrinsic defect, assembling precision and a few technical indexes such as shaping requirement.

A good pair of Designer Sunglasses Outlet Online will shade and embellish your appearance. But in the market, the reality is not good. Some vendors take advantage of consumers' lack of knowledge about the quality of Designer Mirrored Sunglasses by using inferior, inexpensive window glass or other inferior materials. The uniformity of these materials is poor, including stripes, bubbles and other impurities, can not block ultraviolet light, do not meet the physiological requirements of human eyes. Even worse, Clip On Sunglasses made from inferior plastic sheets with very low visible light transmittance but high uv transmittance cause harm to consumers.