regular optical shop should be to choose the regul

The summer is coming,Burberry Belt,and more and more people should buy cheap sunglasses to protect their eyes.and do you know how to chose the good sunglasses?so let’s talk it today.
and buy sunglasses we should be noted:

sunglasses that block ultraviolet rays. Is because the lenses add a layer of special coating. And not only low-quality sunglasses can block UV. Also allows the lens transmittance in serious decline. Make the pupil larger. UV but will be a substantial injection. To make eye by loss. In addition. inferior lens also makes nausea. forgetful. insomnia and other symptoms of visual fatigue.
human body has the instinct of self-protection. The eye when light encountered. Pupil will naturally become smaller. Makes the reduction of UV energy entering the eye. Once wear glasses without UV protection function. Causes dilated pupils. Together with such The role of UV glasses is not isolated. when the eye is equal to open door. despite the ultraviolet to enter. imagine the damage to the eyes.
1.sunglasses color to light gray. Brown or smoke color is superior. Followed by the green. Amber. Blue and so on. Red is only used as a sun or snow.Mont Blanc Sunglaess
2.by car is best to use polarized sunglasses. Because they can decrease glare.
3.If you wear sunglasses after. Others can very clearly see your eyes. Then your lens color is too shallow.
4.When the sun goes down time. Best to remove sunglasses. Or else. We place in low light vision will be affected.
5.regular optical shop should be to choose the regular manufacturers have to get sunglasses with UV protection functions.
6.Select the lens surface when the attention the situation.
7.face a more slender frame sunglasses are suitable for the round.
Medical experts recommend. When buying sunglasses. Can be judged as the matter is clear. To purchase high-quality sunglasses. Cheap Gucci The only way to do is go to the optical professional shop. Regular glasses shop for sunglasses.