Do you use digital devices most of the day? Help protect your eyes with Magnivision e.Readers™. The latest in reading glasses feature a patented lens coating technology that help reduce up to 34% of potentially harmful blue light transmission in the 415-455 nanometer range* and fights the temporary effects of digital eye strain from devices such as computers, laptops, and smart phones. Magnivision e.readers™ also help reduce screen glare, improve contrast, and are scratch-resistant. *Harmful blue light refers to the 415-455 nanometer range of the visible light spectrum. The percentage represents the average amount of harmful blue light blocked at 5 nanometer increments in this range.