Progressive multifocal reading glasses anti-blue light multifocal reader, no need to take off glasses often, very suitable for people who need to see far, see, and see.If you are using progressive reading glasses for the first time; you may experience blurred or distorted vision and may take 1-2 weeks to get used to.Specification:Color: Black/Blue/BrownA (grey), B (grey)Frame material: TR90Lens material: PCFrame: Full FrameWeight: 18g (including lens)Size:Lens width: 55mm/2.2inchLens height: 37mm/1.4inchBridge distance: 20mm/0.8inchArm length: 136mm/5.4inchOverall frame width: 158mm/6.2inchPacking list:1x reading glasses1x cleaning cloth1x glasses case★Due to manual measurement, there is a slight error in the size, please understand★For more reading glasses styles, please click the store to understand