Sunglasses, as a fashionable and practical type of glasses, have become one of the essential summer accessories. Not only does it protect your eyes from UV rays, it can also add a bright touch of color to your overall look. However, in the face of a wide range of sunglass near me brands and styles, how to choose their own sunglasses?
1, color: sunglasses lens color to brown and gray is appropriate, these two colors of infrared and ultraviolet absorption is better, can improve visual contrast and clarity at the same time effectively prevent UV damage to the eyes. At the same time, it is necessary to pay attention to the appropriate color depth, prevent the color from obstructing the visual adverse feelings and safety hazards caused by the surrounding line of sight, and prevent the color from being too light to effectively block the role of too strong light.
2, anti-ultraviolet function: The important function of sunglasses is anti-ultraviolet, so the sunglasses with the "UV400" logo is the real effective sunglasses, can isolate more than 90% of the ultraviolet oh.
How to choose sunglasses correctly
Look for the brand is safer, high-quality sunglasses can filter ultraviolet rays without affecting the visual effect, and inferior sunglasses not only can not block ultraviolet rays, but also let the lens transmittance seriously decrease to make the pupil larger, ultraviolet rays are easy to take in a lot, whether a pair of sunglasses have anti-ultraviolet function we can not see with the naked eye, Doctors believe that the most important thing is to buy products with national quality supervision and approval certificates in regular channels, identify the brand to buy, and be a safe choice, to check whether the product has a name color quality level production factory name and trademark, UV degree, polarization or not signs and instructions.
Cool colors are harmful, the best anti-ultraviolet effect of the three colors of the lens can absorb almost 100% of the ultraviolet light, and the imaging effect is the best, the eyes are not easy to fatigue, followed by the red and yellow lenses they are better for some short wavelengths of light isolation, while other protective effects are slightly worse.
Note:
Resin lenses have low hardness and are prone to scratches. Usually, if the sunglasses are thrown randomly, let the resin lens convex face down placed in contact with hard objects, subjected to friction, the lens surface will be damaged. Therefore, when you do not wear sunglasses, be sure to put them in the glasses case. Resin lenses are not resistant to high temperature, should avoid contact with hot water, and do not put in the kitchen and other high temperature places.
