The ability of sunglasses to resist uv rays

 Eccentric piece: is the convex surface made of curvature uneven cross surface, so that the refractive index of light in the range of our eyes, so that our vision is clear and not dizzy, so as to achieve the pursuit of fashion while protecting our eyes.

Polarized Sunglasses For Sale lenses have shades of 15%, 34%, 50% and 70%. Fifteen percent of them can be worn indoors and outdoors. The Glasses Lens Index is required to be the most suitable strength, 34% suitable for ordinary outdoor environment, 50% suitable for the sun and the sea, 70% suitable for special purposes such as electric welding. The color depth of the High Index Lenses Meaning only affects the absorbance of visible light, and has nothing to do with the anti-ultraviolet ability. Uv resistance is only related to the lens material, space Transition Lenses is the best.