Briefly Describe Your Sunglasses Shopping List

1. Instinct of human 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.

2. Sunglass can hold back ultraviolet ray, because a special besmear film was added on lens, and inferior sunglass not only cannot hold back ultraviolet ray, still let lens transmittance drop seriously, make pupil greatens, ultraviolet ray can shoot in large quantities instead, your eye is damaged. In addition, poor quality lenses also cause nausea, forgetfulness, insomnia and other symptoms of visual fatigue.

3. The color of sun lens is superior with light gray, tawny or light smoke, it is green, amber, blue to wait next, red is used as sunbath or snowfield only.

4. It is best to use polarized Sunglasses when riding in a car, because they can reduce the glare of bright light.