Cruz, reading glasses with blue light protection for screens.Round shape, mixed and universal design.Mixed Blue light blocking glasses (Men and Women) An ultra-comfortable frame.Just 12 grams on your nose.Nooz Protect™ lenses are up to 5 times more protective than standard eyewear.At 430 nanometers, our certified protection filters out up to 40% of blue light.Swiss TR90 frame rated the best optical nylon in the world offering both flexibility and lightness.Frame.Materials:Swiss TR90, considered the best optical nylon in the world, offering flexibility and lightness.Dimensions:Temple length:140 mm.Frame width:118 mm.Weight:17 grams (frame and lenses included).Lenses.Type:Polycarbonate - Single-vision reading lenses, prescription-free.Dimensions:Width of each lens:49 mm.Space between the two lenses:20 mm.Coating:Scratch-resistant.Anti-reflective.