TrueDark®’s next gen blue blocking glasses are backed by science and designed to prevent you from being overexposed to blue junk light in your home, at work, and essentially everywhere that LED and fluorescent lighting is present. Unlike traditional blue blocker glasses, TrueDark®’s Daywalker series don’t filter out 100% of blue because the truth is that not all blue light is bad. Our daytime glasses filter out the right amount of blue light so that your body still get enough to stay alert when you need to be.