How does colour blindness work? Why are there only a few specific types (red-green / blue-yellow / total)?
In: Biology
There are these cells in your eyes called cones. They act a lot like prisms, when you hold a prism up to a light it scatters the colors in the light making a rainbow. Our cones do the same thing, when they are misshapen they scatter less colors.
The light that we see is made up of waves, even though green and red look like different colors to a fully sighted person green waves and red waves are very similar and are easy to get mixed up with one another making this the most common form of color blindness.
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