Stylish Ryders Womens Empress 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. The cat eye style returns in this modernized, high-tech incarnation. Optically correct polycarbonate lenses offer 100% UV protection. Anti-slip nose pads keep them on your face.