It’s everywhere. At your 9-to-5 job, on the train, in the bathroom, even in your bed as you’re trying to fall asleep. If you’re reading this, it’s right in your face — blue light. Ever since we’ve ...

You probably know someone who owns and swears by their blue light glasses. Nowadays people spend more time than ever in front of a digital device, whether it’s their phones, tablets, or a TV screen.