50 And the whole lens helps to filter 30% of potentially harmful blue light* produced by computers and other devices. Square Reading Glasses in Light Tortoise by Readers.
50 And the whole lens helps to filter 30% of potentially harmful blue light* produced by computers and other devices. This pair of glasses comes with the case pictured for easy storage and protection. - Square Reading Glasses in Light Tortoise by Readers.
Enhance your style as well as your sight with Margo. Disclaimer: All references to "bifocals" herein refer to readers having unmagnified lenses containing a "bifocal style" single powered reading glass insert located on the lower portion of the lenses.50 And the whole lens helps to filter 30% of potentially harmful blue light* produced by computers and other devices.