Light colored sunglasses more beneficial to health

Summer wear sunglasses outdoors is also a kind of protection for the eyes. But must be wear qualified sunglasses. Must a qualifying pair of oakley sunglasses cheap can block UV rays through, different colors of traffic signals with good resolution and regular sunglasses are flat mirror, diopter control below 0.008.
Eye expert said that she often wears sunglasses, tears, light affect patients. Most of them are honghonglvlv sunglasses, and contrary to medical claims on light hues. In fact, the color of brown eyes, pale green, and so is useful.
Wearing color had deep of glasses will make eyes is darkroom environment, people of eyes in dark of environment Xia pupil will automatically expanded, pupil long-term expanded easy raised glaucoma, illness; inferior Sun mirror also will caused more UV through into eyes, easy caused sunlight sexual keratitis, and corneal endothelial injury, and eye macular color, disease; color more deep of glasses make eyes on color of tell capacity reduced, easy appeared color confusion, caused traffic accident.
Summer should wear outdoors, but not all cases are suitable. In the absence of sunlight in cool, you can take the sunglasses off, let your eyes rest in natural light.
How to buy sunglasses
When buying sunglasses, lenses, it is important to note product hang tags, colors and UV index. Each formal qualified product through quality testing to prove that, at the time of purchase should allow businesses to produce the relevant proof. Sunglasses on the dog tag is the product of "identity," and indicates the origin of the glasses, also hides a lot of useful information, such as whether you purchase cheap oakley sunglasses is a sunglasses or a light microscope, is material of Plexiglas or something else ... ... This should not be ignored.
According to the Jinan times report, UV protection, would do well to purchase a light gray, light green, blue grey these real shading effects lens sunglasses, because they are relatively soft colors, does not change color when you look at nature. Sunglasses, UV index is an important standard to filter out UV rays effects. Currently the vast majority of sunglasses the UV index in between 96%-, dark lenses better than light lenses.
How to wear sunglasses
1. normal, if not mountaineers or people with special needs, it is best not long wearing sunglasses.
2. the average person now wears sunglasses, in addition to the protection function, also consider decorating function, but we can