LifeArt Vision was founded in 2012,we committed to the R&D,production and sale of high-quality and cost-effective glasses.Billions of people around the world are equipped with LifeArt glasses everyday.We not only produce eyeglasses, but also give you a better vision experience at digital age. Live Action Model Laus daphne_c1_black About Blue Light Protection The Blue Light Protection Factor is a scale to measure and grade the protection level for the eyes provided by lenses from damaging (HEV) Blue Light and UV Light. A scale to measure and grade the protection level for eyes from Blue Light and UV Light.The BLPF scale ranges from 0 up to 100, which corresponds directly to the amount of Blue Light being blocked – the higher the number the better. About LifeArt Lens Our signature LifeArt lens tint filters 39% of harmful high-intensity blue light(from 380 to 450nm) and 100% of UV light.The Outdoor lens filters all harmful UVA and UVB light and is specifically tuned to help improve your circadian rhythm by harnessing the benefits of long-wave blue light. Suitable for Multiple Occasions Working Office Time. Relaxation Playing Games. Sporting Exercising Outdoor. Recreation Reading Time. LifeArt Care Eyes,Care Life.