With the increase of the awareness that shield an eye, even in winter, still can see a lot of people wear sunglasses to keep out ultraviolet ray, but you wear sunglasses or tinted glasses?
Both can have a big different, careful blinkers burn the eyes, oh.
Sunglasses factory YC9702 general sunglasses C1 black box white leg/lens dazzle colour silver sunglasses by the favour of young people, in the past, the color of the sunglasses are mainly composed of dark brown and dark blue, and in recent years, appeared on the market for pink, lavender, light green, and so on colored glasses.
So the friend is mistaken for colored glasses sunglasses, but it's cool, and began to follow the fashion to choose, in fact this is a myth.
Sunglasses factory YC9713 general sunglasses C1 gun color/grey people wear sunglasses for protection from ultraviolet light to the eyes burn, but the tinted glasses does not necessarily can block ultraviolet light, tu shangkang ultraviolet ray only on the lens and film, can be used as sunglasses.
If with no uv protection function of colored glasses, a serious loss due to the light transmittance lens, the eye is like in a dark room, the pupil greaten, let ultraviolet penetration, one can imagine the harm of eyes;
In addition, because of the lens material mostly non optical lenses, poorly made, lens thickness is different, color is not uniform, optical performance is poor, see the outside world objects easily distorted, long wear easily make eye acid bilges, nausea, loss of appetite, forgetfulness, insomnia, fatigue, etc.
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