The Choice Of Summer Sunglasses

Hot summer, sunglasses are indispensable in the sun, the eye’s protective umbrella. So we have to distinguish the intrinsic quality of the lens of basic skills in order to better select high-quality lenses.

1) the degree of the lens should meet the requirements for plain lenses and should not affect the vision of optical flaws.

2) the color of the lens can not be partial, the color of the surrounding environment should be made without distortion, sharp edges of objects of different color lights have a valid identification ability. The choice of lens color depth, because of the places as may be required for different light sources and situations, will affect the color of the lens shading effect. For sunglasses can effectively block Xia Jiqiang light, the color of glasses, because there is enough depth, but those who ride or drive, do not choose the lens color is too dark.