ance, consumers to choose according to their own situation, picture frame, lens, equipped with good can be called a good glasses.Ultraviolet (UV) consists of three parts: the uv-a, UV and UV B - C.Around 15% of uv-a reaches the retina, thereby damaging the retina;70% UV - B will be absorbed by the lens and 30% UV - B absorbed by the cornea and so will damage the lens and cornea;UV - C is absorbed by the ozone layer.
Uv nature exist, all the year round in the daily life of artificial sources of 2015 New Oakley Sunglasses For Saleultraviolet light from welding, ultraviolet disinfection lamp, fluorescent lamp, high power light bulbs, lasers, artificial daylight, TV/computer terminals, etc.
In order to prevent ultraviolet damage to the eyes, go out to wear a sun hat, select 100% UV proof sunglasses and sun umbrellas, etc.;Avoid summer at 10 to 14 points in the hot sun for a long time for outdoor activities, ophthalmic examination every year.
The second is blue light.Human cannot leave a blue, because blue can help people