Do you spend more than three hours a day in front of screens? Your eyes definitely feel dry, tired and red, and headaches are not long in coming. Not? This happens because of exposure to blue light. It's so easy to take care of your vision! Whether you use the laptop for a remote job, the tablet for online school or the phone for relaxation, a pair of anti-reflection glasses will do wonders! Careful! The frame does NOT allow the fitting of lenses with diopters. You don't know how these computer protection glasses work? The lenses have a protective layer that attenuates UV and blue light from the 390 - 440 nm spectrum, offering extra comfort. Convince yourself! Stop looking for glasses stores on the internet! You should know that they are NOT eyeglasses, having no diopters, and the modern, light and durable frames make them perfect for anyone. Order now! Specifications: Materials: TR90 (frame), polycarbonate (lenses); Lens height: 40mm; Lens width: 55mm; Nasal bridge: 18mm; Frame width: 141mm; Arm length: 145mm; Weight: 22.5g; Frame style: rectangular.