Reducing blue-light on your Windows PC, Mac, or Chromebook is a good way to protect your circadian rhythm and reduce eye strain. While you can download third-party apps, the latest versions of the ...

Many people use their electronic devices, including phones, tablets, and computers, for extended periods. Companies now sell screen protectors that reportedly block blue light and benefit eye health.

Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.