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.

I've seen the light—and it wasn't reflective because this exceptional display treatment makes glare a non-issue.

“This setting automatically adjusts your screen brightness based on the ambient light,” Lovre says. “While this can be convenient, it can also lead to unnecessary battery drain. If you find that ...

Brightness is important in everything from phones and computer displays to TV screens and video boards. Bring your laptop or phone outdoors and you will realize that the display is nothing but shadows ...