Different colored sunglasses are designed for different outdoor activities. Take gray sunglasses for example. The sunglasses with gray color will let you see the color of real things with a little difference, but brown and copper-colored lenses will enhance the contrast between objects and background. Additionally, yellow, amber, orange and the red lenses all have good effects in improving contrast.
Apart from UV rays, HEV (high-energy visible) radiation is another ray that we should pay much attention and try to be isolated. It is said that the polarized copper-colored lenses provide a good vision, it can also reduce the glare and the color and can enhance the contrast between golf ball and the green grass. So there are many young players who wear this kind of sunglasses during the competitions.
Except for color and UV protection, a number of people prefer to choose sunglasses according to its materials. As we all know that photochromic lenses will lighten and darken automatically depending on the light condition. Polarized lenses will filters and block light selectively, then it can reduces the glare from water, snow and sand.
Frankly speaking, it is necessary for the people to prepare two pairs of sunglasses. The yellow or amber pair of eyeglasses is good for the overcast conditions and the medium or dark brown pair is suitable for the sunny days.
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