Lasers produce intense light at a single wavelength. I have long wondered about a laser projector, with single-wavelength red, green, and blue output at the wavelengths where human vision receptors peak. Would it produce much more pure colors because the shape of the human response would no longer matter, or would it produce different colors for different people because energizing only one point on the human response curve rather than averaging over a wider area could accentuate differences between people in color sensitivity.
In any case these glasses make me think laser projectors would be good for colorblind people.
