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In humans, brown is by far the most common eye color, with approximately 79% of people in the world having it. Brown eyes result from a relatively high concentration of melanin in the stroma of the iris, which causes light of both shorter and longer wavelengths to be absorbed.
Color de ojos. Apariencia. ocultar. Posicionar y mantener cursor encima de cada imagen para identificar color. El color de ojos es un rasgo anatómico genético que está determinado por la cantidad y la distribución de melanina en el iris. 1 Es un proceso complejo en el que intervienen varios genes en pos del resultado final.
Contents. Iris (anatomy) This article is about the part of the eye. For other uses, see Iris (disambiguation). The iris in humans is the colored (typically brown, blue, or green) area, with the pupil (the circular black spot) in its center, and surrounded by the white sclera.
The color brown is seen widely in nature, wood, soil, human hair color, eye color and skin pigmentation. Brown is the color of dark wood or rich soil. According to public opinion surveys in Europe and the United States, brown is the least favorite color of the public; it is often associated with plainness, the rustic, feces, and ...
The scale consists of 20 colors (from light blue to dark brown-black) that correspond to the different eye colors observed in nature due to the amount of melanin in the iris (in this case, the lower the number, the lighter the eye color): 1-2: blue iris (1a, 1b, 1c, 2a : light blue iris - 2b: darker blue iris) 3: blue-gray iris
Eye color is a visible character caused by two factors: the pigmentation of the eye 's iris, [1] [2] and way light is scattered as it hits the top layer of the iris. [3] The human eye is different from its nearest relative, the chimpanzee eye. The eyes of chimps and also gorillas are entirely brown. Humans have the white to their eyes.
19 de abr. de 2023 · Brown is the most common eye color in the United States, just as it is globally. Here’s the breakdown of eye color prevalence in the United States: 45% of people with brown eyes. 27%...
