Blue light therapy uses light to treat certain conditions on or just under the skin. It’s considered a pain-free procedure. Blue light therapy becomes photodynamic therapy when it uses a combination ...

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 ...

What is blue light? “All the light we see is made up of different wavelengths of light,” says Vivienne Sinh Hau, MD, an ophthalmologist at Kaiser Permanente in Riverside, California. “Certain ...

Blue light is a buzzy idea right now. There are glasses to shield your eyes from it, and you’re constantly told to power down your digital devices before bed so that their blue light doesn’t mess with ...

Blue light therapy may help with depression, but current treatment guidelines do not recommend it as a first-line treatment. More research is necessary to understand if it can benefit people with ...

Your tablet, smartphone, laptop, and flat screen TV all have one thing in common: They each give off blue light. You may know them by the acronym ROY G BIV. Together, they make the white light you see ...

Have you ever woken up to bright morning skies feeling energized? A big reason for your mood is the high-intensity blue light coming from the sun. Among the visible light spectrum, blue wavelengths ...