UV400 Protection : These Lenses are engineered to block 100% of all harmful blue light up to 400 nanometers including UVA(320-400 nm),UVB(280-320 nm)and UVC(100-280 nm).
Resist Cracking PC Lens : Made from a special material which is impact and scratch resistance.It offers a high level of optical clarity, it is 50 times more impact resistant than optical glass. YoMee glasses comply with EN 1836:2005 and US FDA 21 CFR 801.410 and FDA dropball test.