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Normal eye colors range from the darkest shades of brown to the lightest tints of blue. [14] To meet the need for standardized classification, at once simple yet detailed enough for research purposes, Seddon et al. developed a graded system based on the predominant iris color and the amount of brown or yellow pigment present. [ 100 ]
Central heterochromia, green with brown. Central heterochromia is also an eye condition where there are two colors in the same iris; but the arrangement is concentric, rather than sectoral. The central (pupillary) zone of the iris is a different color than the mid-peripheral (ciliary) zone.
There are no standardized names for shades of brown; the same shade may have different names on different color lists, and sometimes one name (such as beige or puce) can refer to several very different colors. The X11 color list of web colors has seventeen different shades of brown, but the complete list of browns is much longer.
With brown eyes taking an overwhelming lead, all of the other eye colors have lower percentages. According to WorldAtlas , 8-10 percent of the world's population have blue eyes.
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All eyes are really brown. According to CNN , Dr. Gary Heiting, a licensed optometrist and senior editor of All About Vision explained why all human eyes are actually brown, no matter if they look ...
Brown eyes are organs of vision, each with a brown-pigmented iris surrounding its pupil. Brown eyes may also refer to: Biology. Bright-line brown-eye, a moth of ...
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