Wearing sunglasses outdoors in the summer is a way to protect our eyes. However, experts of the ophthalmic aspects stressed that Oakley sunglasses must be qualified. A pair of sunglasses must be able to prevent the ultraviolet light from passing through,distinguish different colors of traffic signals.And regular sunglasses are plain mirror series, strict control of refraction is under the degrees of 0.008.
An expert in ophthalmology said. In the clinic, she often met with some patients in the tears or photophobia while wearing sunglasses. They mostly chose some red and green Oakley sunglasses, which are on the contrary with pale that medical claims. In fact, brown, light green etc are useful colors for eyes.
Wearing Oakley sunglasses in too deep color will make the eyes in a darkroom environment. The human pupil will automatically expand in a dark environment , the pupil is apt to cause long-term expansion of glaucoma or other diseases ; inferior sunglasses will cause more UV into the eye , which is easy to cause the sun keratitis , corneal endothelial damage , eye diseases such as macular discoloration ; darker glasses can reduce the ability of the eye to distinguish colors , prone to color confusion , resulting in a traffic accident.
We should just try to wear sunglasses outdoors in summer, but not all cases are suitable. In the absence of the sun or in the shade, you can put Oakley sunglasses off, let the eye rest in natural light. When buying sunglasses, the product lenses, logo, color and UV Index must be paid attention to. Each product has proven qualified regular quality inspection. The purchase should allow businesses to produce relevant evidence. Tag sunglasses on products considered “identity card”, marked the glasses origin, but also hides a lot of useful information, such as whether you buy glasses or sunglasses, light-colored mirrors, lenses or other resin material …… It should not be overlooked. It is best to buy a light gray, light green, blue-gray of which are genuine sunglasses lens to block UV, because these are relatively soft colors, while watching nature does not change color. UV index UV filter effect is a major criterion of sunglasses. Currently, UV index is between 96-98% for most sunglasses, dark colored lens is better than the light ones.