Light color sunglasses will more helpful for health

Wearing sunglasses in the outdoor is a protection for your eyes, however, however, wearing color too deep sunglasses will make the eyes in dark room environment, the person's eye pupil in dark environment will automatically expand, pupil long-term expansion easy to cause the diseases such as glaucoma, so wear light color sunglasses will be good for your health? Sunglasses factory YC9708 general sunglasses C7 black box silver leg/lens gray when buying sunglasses, it is important to note that the product of the lens, tag, color and UV index. Every formal qualified products through the quality inspection certificate, should let business to produce relevant certificates when buy. This should not be ignored. For uv protection, good or buy light grey, green, blue gray real shade the lens of sunglasses, because these relatively subdued color, looking at nature does not change color. For sunglasses, UV ultraviolet index is filtering effect is an important standard. At present, most of the sunglasses UV index in 96 - 98%, dark lenses must be better than the light color lenses.
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