What is Blue light ?

Blue light is light with blue wavelengths.
These lights are beneficial during daylight hours. They boost attention, reaction times, and mood, but because they keep us awake are wrong at night.
Overexposure to blue light has the consequence of low sleep quality.
Continued exposure to blue light over time could damage retinal cells and cause vision problems such as age-related macular degeneration.
It can also contribute to cataracts, eye cancer, and growths on the clear covering over the eye's white part.