Ads
related to: kids sunglasses uv protection rating calculator downloadglassesusa.com has been visited by 100K+ users in the past month
The quality of the glasses was outstanding. - Bizrate
Search results
Results From The WOW.Com Content Network
The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public. The UV index is designed as an open-ended linear scale, directly proportional to the ...
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 ...
Ultraviolet ( UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and ...
Retro Vintage Narrow Cat Eye Sunglasses. UV Protection: 100%. These cat-eye sunnies are an updated take on a vintage shape, and thanks to the contrasting white and black color palette, they're an ...
You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.
Keep little eyes protected — and stylish. For premium support please call: 800-290-4726 more ways to reach us