Premium Bifocal Reading Glasses. Optical Quality Lenses and Frame Provide Crystal Clear Vision. Scratch Resistance lenses. Aspheric Lenses (Distortion Free Lenses). LEAD-Free. Power:+1.00 +1.25 +1.50 +1.75 +2.00 +2.25 +2.50 +2.75 +3.00 +3.50 Comes with a matching Padded case, Black Cloth Case, and Hard Drawer Box. Bifocal Reading Glasses for men and women. Plastic Temple. Plastic Frame. Injection frame. Premium Spring temple. Flexible Material. Distortion Free - Optical Quality with Distortion-Free Lenses: Bifocal with zero power on the top and the readers on the bottom