Holly Glossy Blue light Glasses - Ecru OliveBarner Holly Glossy Blue light Glasses Ecru Olive Protect your eyes in style. High quality screen glasses with built in blue light protection help reduce eye strain and headaches while supporting better sleep. Our lenses block 100% of the most harmful blue light below 410 nm and cut 45% of blue light between 410450 nm, the range most emitted by screens. Perfect for long hours at your desk or on digital devices, these glasses keep you comfortable,