UVA and UVB rays are the types of UV rays that reach the earth most predominantly, so it is essential to choose sunglasses that offer a high percentage of sun protection from these rays -- preferably blocking 100 percent of them.
Consider the level of protection: We all know, or have been warned about, the dangers of UV light, so it's in your best interest to find a pair of sunglasses that offer one hundred percent protection against UVA and UVB light.
Due to the filtering properties of the earth's atmospheric ozone layer, practically all of the ultraviolet light that reaches the earth's surface is the long-wave UVA, while the UVC is necessary to the generation of ozone.
Between the UVA, UVB, and UVC rays we always hear about, it's surprising that many people even care to venture outside, much less soak up the sun, especially sans sunglasses to avoid the "raccoon eyes" effect.
Not only do these sunglasses provide 100 percent protection against harmful UVA and UVB rays, but it also features a gently curved shape; all the better for hugging your face and staying put.
Salicylates, octylsalicylate, and homosalate offer moderate levels of protection against both UVA and UVB light, but the range of light waves against which they protect is relatively narrow.
They have a huge selection of clipons that are made from the highest quality polycarbonate, are extremely lightweight, shatter resistant, and provide 100 percent UVA and UVB sun protection.
These sunglasses feature wrap-around style for a snug fit, and each pair passes all global driving standards of excellence, plus they offer one hundred percent UVA and UVB sun protection.
BADULLA, the capital of the province of Uva, Ceylon, 54 m.
It was in Kandyan times the home of a prince who ruled Uva as a principality.