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A reasonable question, but I suspect we'd already have some idea if this was the case. There's a lot of artificial light with relatively few, narrow frequencies already in use. I imagine someone, somewhere in some bizarre application would have discovered this as a problem.

Since we only see in three color dimensions, it's hard for us to notice day-to-day, but for instance, some fluorescent bulbs are just 5 spikes in particular frequencies. It looks fairly "white" to us, but it's far from normal light.

(I am interpreting your comment as being fatigued of/damaged by very specific frequencies in a way that it would not be fatigued/damaged for the same amount of energy spread out over a wider range still within the given cone's sensitivity range.)




> (I am interpreting your comment as being fatigued of/damaged by very specific frequencies in a way that it would not be fatigued/damaged for the same amount of energy spread out over a wider range still within the given cone's sensitivity range.)

Yep, that's my concern. I don't know if anyone's done long-term studies about low-level light of identical wavelength.

I mean, on the one hand, people used to be afraid of fast-moving vehicles, convinced that it was impossible for a human body to survive going faster than 40 miles per hour.

But on the other hand, people used to strap radium to their faces because they thought it was a cure-all, too.




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