Blue Light Blocking Reading Glasses, Anti Eye Strain Headache (Sleep Better),Computer Glasses UV400 Transparent Lens

• Block 35% of HEV light

• Best blue light blocking glasses for sleep

• Polycarbonate lenses with 100% UVA/UVB protection

• High-quality polyetherimide frame

• RX-able frame

• Exquisite eyewear tip with anti-slip technology

• Front width: 135 mm; height 45 mm; weight: 16 g

• Rectangular envelope case and microfiber cleaning cloth included

• Lifetime manufacturer warranty