“Anti-blue glass” usually means glasses or screen coatings that filter part of the blue light emitted by phones, computers, LEDs, and TV
What they do:
* There’s evidence they prevent permanent eye damage from normal screen use
* Researches shown that they significantly improve sleep or reduce headaches
* Reduce some high-energy blue wavelengths from screens
* Cut glare and make screens feel more comfortable
* Slightly warm the screen’s color tone
* May help reduce eye strain symptoms during long screen sessions
