In the summer to choose and buy sunglasses little common sense on for you

Go out, the sun of summer, according to the gadites eyes are hard to open, in addition to the umbrella, hat can shade, sun glasses is the weapon to fight the ultraviolet (uv) best, dazzling light will pass through your eyes, the sun glasses can reduce the harm of eyes intense sunshine, dazzling light will cause headache, the choose and buy sunglasses should be paid attention to: the qualicoat OO9269 men sunglasses 04 / transparent/dazzle colour blue's instinct, the human body have ego to protect eyes meet with strong light, the pupil will naturally become smaller, cut into the eyes of uv energy, once without uv protection function on the glasses, can make the pupil dilation, plus the role of the glasses not isolate uv, at this moment is equal to the portal open eyes, let the ultraviolet light to enter, damage to the eyes. Sunglasses can block ultraviolet light, because the lens and add a layer of special coating, and inferior sunglasses not only can't block ultraviolet light, also let the lens completely the serious decline, make the pupil larger, ultraviolet ray can raking instead, damage eyes. In addition, the inferior lenses also make a person appear nausea, forgetfulness, insomnia and other visual fatigue. Ray-ban sunglasses RB8056 men 175/6 q hawksbill low sun lens color to light gray, dark brown or light smoked for excellent, followed by green, amber, blue, red, just as the sun or in the snow. It is best to use polarizing sunglasses by car, because they can weaken the strong light of dazzling. If you wear sunglasses, others can very clearly see your eyes, then your lens color is too shallow. Low when the sun goes down, it is better to remove the sun glasses, otherwise, we in the light the place with weak eyesight will be affected. Low to normal optician should choose normal manufacturer production have sunglasses with uv protection function. Low pay attention to the lens surface when the choice. A low face a lanky man is suitable for circular frame sunglasses.
related: sunglasses brand sunglasses