Browsers have it, message apps have it, iPhone has it, and even YouTube has it. Dark Mode is a handy feature that's being introduced to a number of the most popular websites, apps, etc. One good way to take the strain away and improve your viewing experience is to use Dark Mode as much as you can. And when that screen is too bright, it can become irritating or even physically hurt your eyes. Whether it’s for work or for pleasure, we may end up staring at a screen for hours on end. In this day and age, we find ourselves sitting in front of computer screens for prolonged periods of time.