Do you use digital devices for most of your day? Our e.Readers can help protect your eyes. We've developed a special lens coating technology that reduces up to 34% of blue light transmission in the 415-455 nanometer range, reducing temporary digital eye strain from devices like computers, laptops, and smartphones. Our reading glasses also minimize screen reflections, improve contrast, and are scratch-resistant. Foster Grant is a leader in affordable eyewear, offering a range of sunglasses, magnifying glasses, and screen glasses. We believe in stylish eyewear that's effortlessly fashionable and uniquely you. Our designers in New York, London, and Milan source fresh looks and inspiration from around the world, turning them into stylish and wearable styles. Each pair is carefully crafted for a comfortable fit, and all our styles are affordably priced, letting you express your many personalities. *Blue light refers to the 415-455 nanometer range of visible light. The percentage represents the average amount of blue light blocked at 5 nanometer increments in this range. U.S. Pat. No. 8,360,574 covers this technology, with other patents pending in the U.S. and abroad.