When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with ...

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.

The rapid expansion of consumer electronics usage in the past few years has prompted many to question eye safety from excessive exposure to digital devices. It can seem as if most of our waking hours ...