This is how many people mistake hazel eyes to be amber and vice versa. Steve Carell, famous for his long time tv role in "The Office." [78] In general, any sudden changes in the color of the sclera should be addressed by a medical professional.

Like blue eyes, gray eyes have a dark epithelium at the back of the iris and a relatively clear stroma at the front. Eye color in non-human animals is regulated differently. It is a result of the relative excess or lack of pigment within an iris or part of an iris, which may be inherited or acquired by disease or injury.

"Originally, we all had brown eyes," said Eiberg. A study found a significant incidence of the partners of heterosexual people possessing similar eye and hair color to that of their opposite-sex parent. Wikipedia

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Are staring at me [42][43][44], As of 2016[update], the earliest light-pigmented and blue-eyed remains of Homo sapiens were found in 7,700 years old Mesolithic hunter-gatherers from Motala, Sweden. 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.

[58] In Iceland, 89% of women and 87% of men have either blue or green eye color. With no words Gray eyes are most common in Northern and Eastern Europe. [63][65][68][70], The eyes of people with severe forms of albinism may appear red under certain lighting conditions owing to the extremely low quantities of melanin,[71] allowing the blood vessels to show through. [29][30] Amber eyes should not be confused with hazel eyes; although hazel eyes may contain specks of amber or gold, they usually tend to comprise many other colors, including green, brown and orange. For example, the film actor Lee Van Cleef was born with one blue eye and one green eye, a trait that reportedly was common in his family, suggesting that it was a genetic trait. [19][20], Iris color can provide a large amount of information about a person, and a classification of colors may be useful in documenting pathological changes or determining how a person may respond to ocular pharmaceuticals. Blue eyes are also found in southern Europe, Central Asia, South Asia, North Africa and West Asia. [79] A blue coloration of the sclera may also be symptomatic of disease. A disease known as Wilson's disease can change eye color so that it appears more hazel. Eye Color And Love Brown irises contain more or less melanin. These changes are known as single-nucleotide polymorphisms or SNPs. [15] There is evidence that as many as 16 different genes could be responsible for eye color in humans; however, the main two genes associated with eye color variation are OCA2 and HERC2, and both are localized in Chromosome 15. [12], Eye color is an inherited trait influenced by more than one gene. Kelly Clarkson, a singer and winner of American Idol, made her hazel eyes famous in her song, "Behind These Hazel Eyes". [32] In humans, yellowish specks or patches are thought to be due to the pigment lipofuscin, also known as lipochrome. [3][6] Eye color is thus an instance of structural color and varies depending on the lighting conditions, especially for lighter-colored eyes. As the child develops, melanocytes (cells found within the iris of human eyes, as well as skin and hair follicles) slowly begin to produce melanin. Brown eyes may fade to hazel with age. For other uses, see, "Brown eyes" redirects here. A number of causes are responsible, including genetic, such as chimerism, Horner's syndrome and Waardenburg syndrome. Others guess that there may be modifier genes that cause the eye to make more or less melanin. ", "Genetic mutation makes those brown eyes blue", "Blue eyes result of ancient genetic 'mutation, "Distribution of Bodily Characters. Makeup for Hazel Eyes: [33] Many animals such as canines, domestic cats, owls, eagles, pigeons and fish have amber eyes as a common color, whereas in humans this color occurs less frequently. Heterochromia (heterochromia iridum or heterochromia iridis) is an eye condition in which one iris is a different color from the other (complete heterochromia), or where a part of one iris is a different color from the remainder (partial heterochromia or sectoral heterochromia). Hazel eyes are one of the least understood eye colors. One possible explanation for the difference in the appearance of gray and blue eyes is that gray eyes have larger deposits of collagen in the stroma, so that the light that is reflected from the epithelium undergoes Mie scattering (which is not strongly frequency-dependent) rather than Rayleigh scattering (in which shorter wavelengths of light are scattered more). Hazel eyes are really difficult to define. In humans, the inheritance pattern followed by blue eyes is considered similar to that of a recessive trait (in general, eye color inheritance is considered a polygenic trait, meaning that it is controlled by the interactions of several genes, not just one).

Then suddenly turning to me, and fixing his shy, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, hazards of electromagnetic radiation to ordnance, Hazel & Bill Rutherford Wildlife Prairie State Park, Black eyes like plum pits —Bernard Malamud, Black eyes turned shiny like the sun —Shirley Ann Grau, Blue eyes like transparent agate marbles, hard and polished and just about indestructible —Sylvia Plath, Blue eyes … round and open like two lakes —Aharon Megged, Blue eyes that sat in his lined face like a piece of sky —Erich Maria Remarque, Brown eyes like quicksand —Diane Ackerman, Eyes … black and burning as coal —Lord Byron, Eyes … black as bullets and as fierce —Belva Plain, Eyes … blue and guileless as a doll’s —David Brierley, Eyes … brown and irisless, like those of an old dog —William Faulkner, Eyes … deepened to the color of caramel, like sugar coming to a boil —Louise Erdrich, Eyes faded to a brittle, metallic gray, like chips of slate —James Crumley, Eyes … light, blue, like colorless water reflecting a blue sky —Jessamyn West, Eyes, like bitter chocolate —Margaret Millar, Eyes … like black buttons or raisins sunk in dough —Nina Bawden, Eyes … like blue cake-icing —Truman Capote, Eyes like blue-painted glass —Flannery O’Connor, Eyes like chocolate fudge still warm from the pan —Elizabeth Spencer, Eyes like the sky on a misty summer morning —Piers Anthony, Eyes … like those of a rabbit, not frightened, but utterly impenetrable —Graham Masterton, Eyes redder than burning coals —Gustave Flaubert, Eyes so pale they were like openings on the sky —Wright Morris, Eyes the color of water vapor —T.

A mosaic can have two different colored eyes if the DNA difference happens to be in an eye-color gene.