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  2. Eye color - Wikipedia

    en.wikipedia.org/wiki/Eye_color

    Hazel eyes are due to a combination of Rayleigh scattering and a moderate amount of melanin in the iris' anterior border layer. [4] [35] Hazel eyes often appear to shift in color from a brown to a green. Although hazel mostly consists of brown and green, the dominant color in the eye can either be brown/gold or green.

  3. How Rare Are Hazel Eyes, Exactly? - AOL

    www.aol.com/rare-hazel-eyes-exactly-100600193.html

    Hazel eyes tend to change colors due to Rayleigh scattering—the same factor that makes the sky appear blue. This optical effect occurs in the stroma, which is a thin layer of tissue in front of ...

  4. The Rarest Eye Color in the World: What It Is and Why

    www.aol.com/lifestyle/rarest-eye-color-world-why...

    About five percent of the population have hazel eyes as well as amber-colored eyes. Hazel eyes typically combine greens and browns with splashes of gold or orange, which can change depending on ...

  5. Heterochromia iridum - Wikipedia

    en.wikipedia.org/wiki/Heterochromia_iridum

    Eye color, specifically the color of the irises, is determined primarily by the concentration and distribution of melanin. Although the processes determining eye color are not fully understood, it is known that inherited eye color is determined by multiple genes. Environmental or acquired factors can alter these inherited traits. [7]

  6. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    Hazel eye. Hazel eyes are due to a combination of Rayleigh scattering and a moderate amount of melanin in the iris' anterior border layer. [41] Hazel eyes often appear to shift in color from a brown to a green. Although hazel mostly consists of brown and green, the dominant color in the eye can either be brown/gold or green.

  7. How Rare Are Green Eyes, Exactly? - AOL

    www.aol.com/lifestyle/rare-green-eyes-exactly...

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  8. Iris (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Iris_(anatomy)

    An organism's "eye color" is actually the color of one's iris, the cornea being transparent and the white sclera entirely outside the area of interest. Melanin is yellowish to dark hazel in the stromal pigment cells, and black in the iris pigment epithelium , which lies in a thin but very opaque layer across the back of the iris.

  9. Phenotypic trait - Wikipedia

    en.wikipedia.org/wiki/Phenotypic_trait

    For example, having eye color is a character of an organism, while blue, brown and hazel versions of eye color are traits. The term trait is generally used in genetics , often to describe phenotypic expression of different combinations of alleles in different individual organisms within a single population , such as the famous purple vs. white ...