Blue Light Blocking Lens : Can Effectively Block Ultraviolet Radiation Provide 100% Uv400 Protection And Filter Harmful Blue Light It Is Suitable For Use When Watching Tv Reading Or Gaming On Computer Or Other Electronic Devices.It Has The Characteristics Of Ultra-Toughness Anti-Collision And Wear-Resisting Low Friction Coefficient And So On Which Can Effectively Prevent The Damage To Eyes And Face Caused By Broken Frames And Friction In Sports.
Features:
- Material:Plastic Frame.
- Lens Width: 52Mm Lens Height: 47Mm Nose Bridge: 20Mm Frame Width: 142Mm Temple Length: 134Mm.
- Tr-90 (Plastic Titanium) Is A Kind Of Polymer Material With Memory Which Is The Most Popular Ultra-Light Frame Material In The World At Present.
