Should you use a blue light filter on your monitor?

by Jeremy

Best answer: Yes! Blue light filters are great with computer monitors, particularly during long work sessions. But before buying one, first, check to see if your monitor already has blue light filtering technology built in.

Electronic devices like computer monitors and screens can emit harmful blue rays of light, high-energy visible (HEV) light that shines high. It’s essentially the same type of light that is naturally produced by the sun. So, you can imagine why, according to some experts, blue light can cause things like dry eyes, eye strain, blurred vision, headaches, and sleep disruptions, particularly for those who are staring at a screen day after day, for hours on end. Some companies even suggest that too much exposure to blue light can lead to macular degeneration, though the jury is still out on that claim.

Nonetheless, the potential dangers of too much blue light exposure have led to a rise in products like blue light filters for computer monitors that function as physical barriers between your eyes and the screen, blocking the short, high-frequency waves and only letting the long, low-frequency ones through. Products like blue light-blocking glasses are also becoming popular to help filter out blue light while you stare at screens of all kinds, including smartphones and tablets. Many computer monitor manufacturers like ViewSonic and HP have begun to include blue light filtering technology in their latest products to combat eye fatigue, so you don’t need a separate screen. This has spilled over to other product types, with manufacturers like Samsung offering blue light filtering technology with some of its latest smartphones.

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