If you are referring to Bi-Focal Crystal Clear Full Frame Intelligent Zoom Reading Glasses (1BFRG1), these are bifocal reading glasses designed for both near and intermediate vision. They usually come with flexible full-frame designs and anti-glare/clear lenses for daily reading, mobile use, and computer work. You may also like these related bifocal/adaptive reading glasses: Braxan Intelligent Zoom Anti Blue Light Presbyopia Glasses Adjustable Power Reading Glasses for Men & Women One Power Auto Focus Reading Glasses Optify Bifocal Reading Glasses Common features in this category: Bifocal or progressive-style viewing Clear vision for reading + distance Lightweight flexible frame Anti-glare / UV protection options Suitable for mobile, books, and computer use