How light scattering creates blue eyes and makes green eyes rare

vice.com

Blue eyes are not a true color but an optical illusion caused by light scattering, similar to the sky. This phenomenon occurs due to a lack of melanin in the iris. Green eyes are rare, resulting from a moderate amount of pigment combined with light scattering. Eye color is determined by multiple genes and can change over a person's lifetime, with lighting and health also influencing perceived shades.


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How light scattering creates blue eyes and makes green eyes rare | News Minimalist