Amazon.com: Ray-Ban RB4401D Sunglasses, Black/Clear Gradient 。Ray-Ban RB4401D Blue Light Glasses Black Frame Blue Lenses w/ Case Authentic Ray-Ban RB4401D blue light glasses featuring a classic glossy black square frame with blue-tinted blue light filtering lenses. A stylish everyday pair designed for screen time, work, gaming, or casual wear. These are non-prescription blue light glasses and are in excellent pre-owned condition with minimal signs of wear. Includes the original Ray-Ban case. * Authentic Ray-Ban * Model: RB4401D * Color Code: 601/72 * Size: 57-20-150 * Glossy black acetate frame * Blue-tinted blue light filtering lenses * Non-prescription * Unisex * Includes original Ray-Ban hard case Perfect for everyday wear with a modern square silhouette that pairs well with any style. Classic • Modern • Minimalist • Office • Everyday • Designer • Unisex • Business Casual Ray-Ban RB4401D, Ray-Ban blue light glasses, blue lens glasses, computer glasses, gaming glasses, blue light filter eyewear, non prescription glasses, black square glasses, designer eyewear, Ray-Ban optical frame, work glasses, screen glasses, unisex eyewear