Journey to endurance and strength with our Vitality blue light blocking glasses. Available in four colors, these glasses feature subtle rivet details and a chic, square shape. • POWERED BY DIFF EYEWEAR these Mens Health designer-quality glasses help protect your eyes by blocking blue light from screens - preventing blurry vision. • LIGHTWEIGHT DURABLE FRAMES perfect for all-day wear. • SHATTER & SCRATCH RESISTANT LENSES block 100% of harmful UV400 wavelength light rays. • LUXURY PROTECTIVE PACKAGING comes with each pair of frames along with a cleaning cloth.