How does colourblindness work?
In: Biology
Basically everyone has special cell structures called cones in their eye. These cones respond to a specific frequency range of light (often called long wave, medium wave, and short wave or roughly red, green, and blue light).
Color blind people have a mutation that results in one group of cones either being damaged enough to not function at all (this is fairly rare), or to respond less than it should to that wavelength of light. That means some light sources are less bright and obvious or hues of some colors can look more similar than they do to people whose cones are normal.
In my experience, having a simulated picture usually gets the point across well (there’s a ton of difference in quality of these simulations, so look for one that you can’t see any difference between the normal picture from the adjusted deficient picture).
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