OX Legacy Elite Blue Light Blocking Glasses, Yellow Lens, Thin Computer Eyewear 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 CR-39 Lens; Very High Optical Quality, Half the Weight of Glass, Highly Scratch-Resistant Perfect for Reading, Looking at a Computer or Phone, Watching TV, or Driving for Comfort While Reading, Looking at a Computer or Phone, or Watching TV Prevent Eye Fatigue and Eye Strain From Squinting at Bright Screens in the Evening You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!