OX Legacy G-3 Blue Light Filter 55mm Yellow Amber Lens Thin Rectangle Anti-Glare UV Blocking Glasses, Black Frame plastic frame plastic lens non-polarized Lens width: 55 Blue Light Blocking Glasses Designed to Reduce Incoming Light from the Blue Light Spectrum, OX Blue Light Blocking Lenses also Block 100% of UV Light High Quality Lens for Comfort While Reading, Looking at a Computer or Phone, or Watching TV Enjoy Reading or Computer Work at Night Without Disrupting Sleep Prevent Eye Fatigue and Eye Strain From Squinting at Bright Screens in the Evening Lightweight Frame and Thin, Transparent, Scratch Resistant Lenses