The choose and buy of sunglasses

Today, a generation of cool sunglasses have become a fashion, a necessary equipment. But not everyone is so good at the choose and buy sunglasses. In fact, sunglasses in addition to reduce glare, make the eyes comfortable outside, the main purpose is to prevent ultraviolet damage to the eyes. To this end, here to teach you how to choose and buy a pair of suitable sunglasses can protect eyes again. Recommended reading: notes in the choose and buy sunglasses sunglasses factory YC9708 general sunglasses C4 gold tortoise shell box leg/lens dark brown don't choose any shop called 'international brand original single,' optical products will be defects; And also don't believe 'authentic sunglasses' will have the original list. Less than one hundred RMB of any sunglasses products on taobao, even if it has UV protection effect and polarization effect, strongly suggest not to buy, this kind of product quality can not get any guarantee of taobao. Wupan sunglasses, good choice of PC lens or nylon lenses. Glass lenses comfort and security are far inferior to the PC. Ray-ban sunglasses RB3532 men 001/68 gold if I buy polarized sunglasses, please go to your car, look at the front windscreen of coating or lamination has conflict with polarized sunglasses, if there are conflicts will appear the rainbow color at the moment. General advice to choose 'tan' or 'dark gray' lens, this kind of lens will only reduce the brightness, but is unlikely to change the eye to identify the color. Sunglasses also have life, generally 1 ~ 2 years is about to change, because the coating will be wear and tear. Using can prolong the service life of love, but as long as there is a negligence, can cause the damage of the coating. Many international brands of sunglasses, is specially designed for caucasians, asians wear may be 'lens cap eyelash' or 'picture frame pressure cheekbones, suggest to store so try experience. In addition, there are some marked degree of myopia sunglasses for sale, but because of pd and other indicators vary from person to person, so if without the guidance of professional doctor, everybody is best not to choose this prescription sunglasses.
related: sunglasses polarized sunglasses