Prevent minor eye diseases, such as early development of Myopia, Presbyopia (Blurry vision), Computer Vision Syndrome (CVS), Dry Eye, Red eye syndrome, and Eye fatigue,.Emphasising in prevention of ACTUAL artificial harmful blue-light (HEV) from 420nm ~ 460nm (at Peak Point 450nm, ☑0nm) generated from most electronic LCD/LED display screen, Not like other general/similar products described in the wavelength of 380nm~480nm with average ONLY! There are less critical harmful blue-light source can be found in 380nm ~ 400nm,.Block up to 99% harmful blue-light emitted by LCD/LED devices (LED TV & Desktop Monitor),
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