The color of sunglasses is very particular, different colors of lenses often have different uses, you can choose according to your own needs. But gray and brown sun eyes are the best against ultraviolet rays. This year's sunglass trend is multi-color mixing and gradient effect, red series, metal color series, black series, ink green and England green are the most IN colors, but not everyone suits these colored lenses, so if possible, you can consult an ophthalmologist before picking sunglasses, to see whether your choice can achieve good optical correction effect.
The color selection of sunglasses is crucial, it does not only affect your fashion, but also affects the contrast and distinction of colors. Some sunglasses can improve the color contrast or help you effectively distinguish various colors, such as distinguishing the colors of traffic lights when driving. So what kind of effect do different colored lenses have? Generally speaking, in order to protect eyes from infrared and ultraviolet radiation, the color of glasses should be deep enough. Dark gray is the best, dark brown and black are secondary, blue and purple are the worst, because these two kinds of lenses will pass more ultraviolet rays.
* Gray, belongs to neutral color system, gray lenses absorb any spectrum evenly, so things will look darker, but it won't affect color difference, presenting a true natural feeling.