Scrolling and swiping on social media. Watching TV. Reading work reports on your laptop. It’s safe to say most of us spend a lot of time staring at screens. And that can be tiring for our eyes. Blue ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

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.