Eli5: how blue eyes are different

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I keep hearing that other color eyes have pigment to make them that color but with blue eyes they have no pigment and it is the physical structure that only reflects blue.

How is that any different than any other color?

Doesn’t red paint only look red because it reflects red light?

Doesn’t brown pigment only look brown because it reflects brown light?

I thought that is how all color worked, by reflecting only that kind of light.

People say it about blue eyes like it’s somehow different but it sounds the same to me

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7 Answers

Anonymous 0 Comments

All colour DOES weork that way; absorbing some wavelengths of light and reflecting others.

What they are saying is that all eyes are naturally blue BUT some people have an additional pigment in their eyes which changes their colour (brown, green, whatever).

People without the additional pigment have blue eyes. This pigment, though, dominates over the eye’s “natural” colour and makes them appear the other ones.

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