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.

Prolonged exposure to blue light from digital screens can cause eye fatigue—and worse, disrupt natural sleeping patterns. This is where special-coated blue light-blocking glasses can help. As remote ...

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 ...