BUNOVIATA Bifocal Sunglasses Reading Glasses for Women Large Reader 1.0 1.5 2.0 2.5 3.0 3.5 UV400 Blue Light FilterAcetate frame Plastic lens non polarized Lens width: 54 millimeters 2 LEVELS OF BIFOCAL These bifocal reading glasses are built with 2 different vision of focus. Top portion with no power, just regular sunglasses,help you to look far; Bottom inner corner provide a perfect sized magnifying section, help you to read and work by magnifying small print,you would tend to push glasses on top of your head when not needed. EYE PROTECTION, UV400 Blue LIGHT