I am not saying it won't hurt your eyes. After all, you are subjecting a body organ to some amount of energy. However, what I am saying is that a white light has more energy then a yellow light. This is because the higher end of visible light (required to be "mixed" with visible light to create a white light) contains more energy per photon. Therefore, a white light of the same wattage as a yellow light will have ever so slightly more energy. The green, blue and violent ends of the visible light carry more energy. Hope this explains what I mean.

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