24+ How To Tell If Blue Light Glasses Work PNG. But wait, you have read one of our this way you can tell is you have the best blue light blocking glasses or the best computer glasses that's how you test blue light glasses effectively. Great work, this is the first step to optimal light management.
It depends on who you ask.
Select a frame you like. The key to blocking blue light is to know how much you're blocking and layer it like sunscreen. The doctor will be able to tell you if you need glasses. Hulton deutsch/corbis via getty images.