Best blue light blocking glasses of 2021 Protect your precious little corneas and look good while doing it. If you're reading this, chances are your eyes are aching from squinting into a bright screen (like your computer or phone) for way too long. You're right to take your tired eyes seriously since prolonged screen exposure can lead to digital eye strain and conditions such as macular degeneration. Blue light exposure from those screens can be taxing on your eyes and even negatively impact your sleep -- and that's where blue light blocking glasses come to the rescue. With these handy spectacles, at least some of the potentially problematic blue rays coming from your digital screen are filtered through a special blue light blocking lens to better protect your peepers.