The Anza Blue Light Filtering Reader Collection The Anza Walnut Wood Blue Light Filtering Reader is our slimmed down square shape, with updated colors and temples. A perfect look for men and women alike. Our Blue Planet Blue Light Filtering Glasses are available in standard reading strengths 1.00,1.25, 1.50, 1.75, 2.00, 2.25, 2.50 3.00 The lenses are built with Blue Light protective technology to prevent eye strain and other harmful effects from the light emitted by digital screens by filtering 40% or more blue light rays emitted by digital devices. All of our pre-owned items are thoroughly cleaned, tested/operated, sanitized, and bagged during storage. We only offer our customers the best quality new and pre-owned merchandise, with secure packaging and FAST shipping. Stop by and check out our other items in our store, TN_Goodies. All items are thoroughly tested and exact condition is always described. We are working full time to serve our CUSTOMERS! Please do not hesitate to send a message with any questions, we are here to help. Thank You for shopping with us!