CLASSY BLUE LIGHT FILTERING METAL TEMPLE DETAIL SQUARE HORN RIMMED GLASSES 49MM. Protect your eyes from harmful blue light with these blue light blocking glasses that are crafted in a classic square horn rimmed frame. Designed to be worn when using digital devices such as smartphones and laptops, the blue light filtering lenses can minimize headaches, eye fatigue, and poor sleep quality. Complete with a classic keyhole nose bridge for a retro inspired sophistication, these stylish functional glasses are great for everyday wear! Made with a plastic based frame, metal hinges and UV protected blue light lens. COLOR : Cheetah / Clear Measurements Lens Width: 49mm Nose Bridge: 18mm Lens Height: 41mm Frame Width: 141mm