If you've ever done a quick Google search for, "What is blue light?," then you've encountered the following: images of people hovering over cell phones with bright blue light illuminating their faces (much like the one above) colorful spectrums of visible light with no shortage of lines and text article...
The optical wizards at SPY have continued to push optical limits with lenses that will make more than just your eyes happy. SPY Happy Rx Lens is SPY's latest and greatest lens technology that will literally make you jump with joy. About SPY Happy Lens Spy Happy Lenses were designed to let...
