Thanks to the use of cutting-edge lens technology, these glasses have been designed to filter out blue light that is emitted by digital devices.  Photo 2 of 6 in These Non-Rx Glasses Can  Relieve Tired, Strained Eyes

These Non-Rx Glasses Can Relieve Tired, Strained Eyes

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Thanks to the use of cutting-edge lens technology, these glasses have been designed to filter out blue light that is emitted by digital devices.