OPTOFENDY Progressive Multifocal Reading Glasses for Women, TR90 Fashion Blue Light Blocking Computer Readers - THREE IN ONE - OPTOFENDY progressives reading glasses consist of a single lens with three magnification levels. The bottom third has the highest strength ( the power you choose) for reading, the middle third has a slightly reduced magnification for computer use, and the top third has ZERO strength for interaction. This innovative progressive lens technology means no more taking your readers off frequently and putting them back on to see things clearly at different distances. - FEEL THE COMFORT - TR90 is a thermoplastic material that is incredibly durable, flexible, and lightweight. Because its lightweight, TR90 frames fade into the background so you stay comfortable all day. Since TR90 glasses frames with eyewear lenses are flexible, these unisex readers can bend under pressure and contour your face comfortably. - EASY MATCHING - The brief round frame without any complicated ornaments shows delicacy and elegance. TR90 frame arms with spring hinges fit medium and large faces in comfort and style. These computer glasses will be your everyday glasses in all seasons. Wonderfully versatile - can be matched with your daily wearing. - HD LENSES FOR HEALTH - Get the appropriate magnification required for reading with OPTOFENDY eyeglasses. These blue light reading glasses can protect your eyes from harmful blue light emitted from overexposure to screens and digital devices. Feature specialized lenses that shield your vision by filtering blue light, thus reducing eye strain, squinting and headaches. - COMFORT EXPERIENCE & SERVICE - OPTOFENDY not only provides lightweight and comfortable blue light blocking reading glasses but also values the customers purchase experience. In case of any questions or problems, please feel free to contact us if you have any problem.