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The appearance of blue, green, and hazel eyes results from the Tyndall scattering ... Gray is the second-rarest natural eye color after green, with 3% of the world's ...
Blue eyes are also found in parts of Western Asia, most notably in Afghanistan, Syria, Iraq, and Iran. [53] In Estonia, 99% of people have blue eyes. [54] [55] In Denmark in 1978, only 8% of the population had brown eyes, though through immigration, today that number is about 11%. [55] In Germany, about 75% have blue eyes. [55]
According to Land's Retinex theory, color in a natural scene depends upon the three sets of cone cells ("red," "green," and "blue") separately perceiving each surface's relative lightness in the scene and, together with the visual cortex, assigning color based on comparing the lightness values perceived by each set of cone cells. [14]
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Blue eyes are also found in southern Europe, Central Asia, South Asia, North Africa and West Asia. [57] [58] Approximately 8% to 10% of the global population have blue eyes. [34] A 2002 study found that the prevalence of blue eye color among the white population in the United States to be 33.8% for those born from 1936 through 1951.
"His right eye was light blue, while the left was black, nevertheless his eyes were most attractive", is the description of the historian John Malalas. [33] [34] [35] A more recent example is the German poet, playwright, novelist, scientist, statesman, theatre director, and critic, Johann Wolfgang Goethe. [36]
Human eye pigmentation in Europe Among human phenotypes, blue-green-gray eyes are a relatively rare [citation needed] eye color and the exact color is often perceived to vary according to its surroundings. The iris is usually strongly pigmented, with the color typically ranging between brown
Ralph Lauren Collection designed the knee-length, powder-blue dress Melania wore to Trump's inauguration in 2017, as well as the coordinating shrug and gloves she wore with the look.