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.

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...

There are lots of different types of ring lights, but they all have the same primary purpose — provide a steady light source that will illuminate your subject, whether that’s an object, another person ...