Is it the problem of LED light or your eyes? It's worth thinking.

Idea Sharing 2016/06/30

Dr. Steven Rosenak said "red light with the longest wavelength，it is most comfortable when people looking at it, and people can focus on it. Blue light is the worst, because it is a shorter wavelength." local optometrist said: "some LED lights illuminate the tissue of eyes and lens or cornea may not deal with blue light, like some of the other wavelengths"