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The Most Beautiful Eyes in the World (revised in 2017)
The Perfect Human Face - Big eyes are the standard of facial beauty. The eyes are the windows of the soul the most notable feature of the face expresses the most intense emotion whether negative or positive the gateway to the soul. The most alluring part of the face. No human eye is the same, it may appear to be in color but in one eye there are so many variations of color so many dimensions of color in different hues in each eye. Eye color is a polygenic phenotypic character determined by two distinct factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of melanin in the iris pigment epithelium (located on the back of the iris), the melanin content within the iris stroma (located at the front of the iris), and the cellular density of the stroma. The appearance of blue, green, as well as hazel eyes results from the Rayleigh scattering of light in the stroma, a phenomenon similar to that which accounts for the blueness of the sky. Neither blue nor green pigments are ever present in the human iris or ocular fluid. Eye color is thus an instance of structural color and varies depending on the lighting conditions, especially for lighter-colored eyes. Here are some of the most beautiful eyes in the world according to eye color.