Ads
related to: sunglasses uv ratings explainedwarbyparker.com has been visited by 10K+ users in the past month
I'm crazy about Warby Parker. I've bought 26 so far. - Oprah
ebay.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
A UV index reading of 3 to 5 means moderate risk of harm from unprotected sun exposure. Stay in shade near midday when the sun is strongest. If outdoors, wear sun-protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 50+ sunscreen every 1.5 hours, even on cloudy days, and after swimming or ...
For example, a gray lens can have a blue mirror coating, and a brown lens can have a silver coating. Sunglasses of this type are sometimes called mirrorshades. A mirror coating does not get hot in sunlight and it prevents scattering of rays in the lens bulk. Sunglass lenses are made of either glass, plastic, or SR-91.
Sunglasses — because you can pop them on and off your face at will — give the wearer more freedom to try more fashion forward and trendy styles, she explained. You shouldn’t have to spend ...
Once inside, away from the triggering UV light, the cold lenses take longer to regain their transparency than warm lenses. A number of sunglass manufacturers and suppliers including INVU, BIkershades, Tifosi, Intercast, Oakley, ZEISS, Serengeti Eyewear, and Persol provide tinted lenses that use photochromism to go from a dark to a darker state ...
The sun protection factor (SPF rating, introduced in 1974) is a measure of the fraction of sunburn-producing UV rays that reach the skin. For example, "SPF 15" means that 1 ⁄ 15 of the burning radiation will reach the skin, assuming sunscreen is applied evenly at a thick dosage of 2 milligrams per square centimeter [68] (mg/cm 2). It is ...
Randolph Engineering. One of the few big brands doing sunglasses in the U.S. of A., Randolph produces its signature aviators—built to military specifications, so you know they're tough as nails ...