Search results
Results from the WOW.Com Content Network
Eye color. The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3] : 9. In humans, the pigmentation of the iris varies ...
It occurs in humans and certain breeds of domesticated animals. Heterochromia of the eye is called heterochromia iridum or heterochromia iridis. It can be complete, sectoral, or central. In complete heterochromia, one iris is a different color from the other. In sectoral heterochromia, part of one iris is a different color from its remainder.
Color symbolism in art, literature, and anthropology refers to the use of color as a symbol in various cultures and in storytelling. There is great diversity in the use of colors and their associations between cultures [1] and even within the same culture in different time periods. [2] The same color may have very different associations within ...
The rarest eye color is green. Out of the conventional eye colors we'd think of—brown, blue, hazel and green—green is the rarest of the four. Only about two percent of the world's population ...
The words had more than one modern meaning: in addition to "clear light blue", γλαυκός also meant "turquoise" and "teal-green" – it was the typical description of the color of the goddess Athena's eyes, portrayed as either gray or light blue.
Color blindnessor color vision deficiency(CVD) is the decreased ability to see coloror differences in color.[2] The severity of color blindness ranges from mostly unnoticeable to full absence of color perception. Color blindness is usually an inheritedproblem or variation in the functionality of one or more of the three classes of cone cellsin ...
The iris (brown coloured portion of the eye) controls the size of the pupil by contracting the sphincter pupillae and dilator pupillae muscles. The sphincter pupillae is the opposing muscle of the dilator pupillae. The pupil's diameter, and thus the inner border of the iris, changes size when constricting or dilating.
Chartreuse ( US: / ʃɑːrˈtruːz, - ˈtruːs / ⓘ, UK: /- ˈtrɜːz /, [1] French: [ʃaʁtʁøz] ⓘ ), also known as yellow-green or greenish yellow, is a color between yellow and green. [2] It was named because of its resemblance to the French liqueur green chartreuse, introduced in 1764. Similarly, chartreuse yellow is a yellow color ...