Yidun Computer Glasses Fashion Black Metal Frame Brand office Designer 6127 metal frame composite lens non-polarized Lens width: 51 Lens height: 23 Bridge: 17 Arm: 135 Anti-radiation from all kinds of screens especially computer screen Fatigue proof with long lasting durability and comfort UV-stop to protect your eyes from sunlight harms Clearer vision so you can work more efficiently and feel more comfortable