Progreive Bifocals Reading Glaes Anti Blue Light Presbyopia Eyeglaes Near Far Sight Spectacles Hyperopia Diopter +1.0-4.0 ,Style: Simple and StylishType: Progreive Multi-focus Anti-blue Reading GlaesMaterial: Resin Lens+TR90 FrameGlaes Degree: +1.00/+1.50/+2.00/+2.50/+3.00/+3.50/+4.00Glaes Size: As the picture shownQuantity: 1PCFeatures:1. Progreive multifocal technology, creates 3 zones for different types of vision, no need to take off without fatigue for long time wearing.2. High-definition resin lenses,1.56 refractive index for clear vison.3. Supre nickel alloy material with ductility and ferromagnetic, highly polished and good corrosion resistance.Package Included: 1*Reading Glaes without Glaes CaseNote:1. There is 2-3% difference according to manual measurement. Please check the size carefully before you buy the item.2. Please note that slight color difference should be acceptable due to the light and screen.3. After a long transportation , some items maybe broken . If broken , please contact me , we would offer you a satisfied answer .4. If you make a big order , please contact me, we would offer some discount. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.