subject: The export teach you to select sunglasses [print this page] The export teach you to select sunglasses
In the hot sun, many people like to wear a pair of Oakley sunglasses, we can avoid the strong sun damage to the eyes, but also as a decoration, bring out their own temperament, can be described as dual. But note that the improper selection and wearing sunglasses, will damage the eyes, damage eyesight.
Three focus on the details of election sunglasses. To choose a pair of good sunglasses, in addition to pay attention to style, the following three facts can not be ignored.
1. There is a UV marks the primary function of Oakley sunglasses. If you wear a low-quality UV-blocking sunglasses can not enter the ultraviolet eyes more than when not wearing sunglasses, can easily cause eye damage, a long time can cause cataracts, macular degeneration, there eye pain, photophobia, decreased visual acuity, corneal edema, corneal epithelial shedding and other diseases.
Regular optical shop sunglasses are generally anti-UV detection instruments that can detect your choice is correct. The street hawker stalls glasses and often do not meet quality standards, it is best not to buy.
2. Select Ray ban sunglasses with gray, brown and green color lenses lens color of choice should be based on the surrounding environment without distortion, sharp edges of objects, can recognize the principle of lights of different colors. Lens color to gray, brown, green for good, because these color lenses for infrared, ultraviolet absorption better.
3. Check the depth of the lens, etc. In general, the darker the lens, shading effect is stronger, but does not indicate the ability of the stronger UV. Features UV protection sunglasses and lens materials, technology and other factors.
Lenses generally good at medium depth. Of course, if required shading effect is very strong, should choose darker lenses, but the bike or car can not choose the lens color is too deep, otherwise it is difficult to identify the color of traffic lights.
