Blue light screen protectors have a special coating with a yellowish tint that filters out 30% to 60% of blue light emitted from our devices. But why is it important to filter out this type of light? If you are to believe companies that sell these anti blue light screen protectors, they protect your eyes from harm and help you sleep better. Turns out, you probably dont need them for the first reason, but they can help with the second one, even though it might not be enough. If youre cool with...
