Stylish Ryders Caliber sunglasses frame but fit with an indoor lens designed for use when working with computers; this lens blocks harmful light wavelengths given off by computer screens including 100% of blue light which is the most damaging light to the eyes. Polycarbonate Lens Material UV Protection block 100% of UVA UVB and UVC rays Shatterproof Optically Correct specially shaped to eliminate distortion Scratch Resistant Coating