? IMPROVED VIEWING EXPERIENCE OR YOUR MONEY BACK - We're so confident that our blue ray glasses will give you better screen viewing that we offer a LIFETIME money back guarantee. Your purchase is completely RISK FREE. If for any reason you're not completely satisfied, simply contact us for a full refund – no questions asked. ? PROTECT YOUR EYES - High Energy Blue Light emitted by electronic devices (such as computers, TV, smartphones) have shown to increase the risk of vision conditions from sore dry eyes to macular degeneration. Maintain healthy eyes by reducing exposure to high energy blue light. ? IMPROVE PERFORMANCE AND PRODUCTIVITY - Extended exposure to blue light rays may cause fatigue and stress. Filtering out the High Energy Blue Light allows you to focus on your game or task at hand. ? LOW COLOR DISTORTION LENS - Unlike other glasses on the market with heavily tinted lens. ANYLUV's low color distortion lens is optimised to provides the perfect balance between eye protection and viewing quality. ? OVERAL BLUE BLOCK RATE: 99% - ANYLUV Blue Light Shield protects your eyes by filtering out the most harmful High Energy Blue Light rays while letting through the less harmful portion of the blue light spectrum.