Riwissipa blue light blocking portable reading glasses Do you always feel dizzy after doing reading on your computer for a long time? Is it difficult for you to see things at near distance clearly as you grow old? Are your eyeglasses often broken and scratched? If your answer is YES, maybe you can try r iwissipa blue light blocking computer portable reading glasses! Read more Why do we need to filter blue light? By wearing blue light blocking reading glasses, you can limit the amount of blue light that enters your eyes and make your screentime more pleasant. Main Features of Anti Blue Light Presbyopic Glasses Protect eyes and vision - Anti blue light reading glasses, block out blue light and protect eyes and vision - Blue light blocking presbyopic glasses, regulate and improve the vision Convenient to take it outside -Lightweight metal frame, portable reading glasses are comfortable to wear - Foldable computer glasses, compact and convenient to store in the case Filter the blue light - Blue light filter glasses, suitable for computer reading, TV, phone and tablet - Portable anti-drop case, protects blue light filtering glasses from scratch Exquisite gift - Stylish eyeglasses, elegant and trendy accessory for both men and women - Creative gift, send the portable reading glasses to your parents and grandparents Read more Specifications: Frame material: Stainless steel alloy Lens material: Aspheric resin lens Gender: Unisex Arm: 135mm / 5.3in Bridge: 17mm / 0.7in Lens width: 55mm / 2.2in Lens height: 34mm / 1.3in Total width: 135mm / 5.3in Case dimension: 44 x 20 x 80mm / 1.7 x 0.8 x 3.1in Weight: 44.2g / 0.1lb The dimensions are all manual measurements, please allow 1-3mm error. Light glasses for reading age reference: Age 45 or so, suitable for 1.0X Age 50 or so, suitable for 1.5X Age 55 or so, suitable for 2.0X Age 60 or so, suitable for 2.5X Age 65 or older, suitable for 3.0X Age 70 or older, suitable for 3.5X Foldable glasses package Includes: 2x Blue light blocking reading glasses 2x Glasses case 1 x eyeglass cloth Polarized Sunglasses Reading Sunglasess Polarized Sunglasses Folding Night glasses Reading Glasses Clip on Reading Glasses Clip on Frame Material Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Lenses Polarized Non Polarized Polarized Blue Light Blocking Blue Light Blocking Blue Light Blocking Spring Hinges ✓ ✓ ✓ ✓ Magnification 1.00x~3.50x 1.00x~3.50x 1.00x~3.50x