Cute black tabby with white Maine Coon cat kitten with adorable freggle on nose, sitting facing front. , Eye color outside of the iris may also be symptomatic of disease. 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. And, since pigment is what protects the eyes from cancer-causing ultraviolet light, people with light eyes have an increased risk of developing melanoma — specifically in the uvea, which is in the "middle layer of the eye.". The newest research points to the possibility of blue eyed people having one common ancestor; postulated by the University of Copenhagen. You're at the top of the list. Human pupil in light, Beautiful greenish boy eye closeup. ", Did Shakespeare have it out for someone with green eyes? In severe forms of albinism, there is no pigment on the back of the iris, and light from inside the eye can pass through the iris to the front.  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. Green eyes have become a mainstay in literature, music, paintings, and photographs. Affects function of OCA2, with a specific mutation strongly linked to blue eyes. Cute black tabby with white Maine Coon cat kitten with adorable freckle on nose, sitting side ways. What’s clear is that green eyes are less common than blue and that we see different shades of blue green in many people. Sandwiched between the two is the stoma, which is essentially made up of collagen. Geri Halliwell of the Spice Girls.  Other genes implicated in eye color variation are SLC24A4 and TYR. Blue green eyes are amazing to look at. Download all free or royalty-free photos and vectors. "In this case, it's very culturally dictated."  This is the same frequency-dependence of scattering that accounts for the blue appearance of the sky. True blue green eyes are extremely rare. A person can also have blue green eyes if there is a different color in each eye. Handsome silver tabby 10 week old Maine Coon cat kitten, sitting up wearing sun glasses on head. You may not know if your child has green eyes until quite a while after giving birth. ", "Genetic mutation makes those brown eyes blue", "Blue eyes result of ancient genetic 'mutation, "Distribution of Bodily Characters.  In general, any sudden changes in the color of the sclera should be addressed by a medical professional. DNA from both parents are part of the child’s genetic material, which may have experienced some type of alteration during the zygote phase of development. Sleepy greenish yellow lizard with black eyes at Valley Zoo Edmonton Alberta, Alert Lizard At The Edmonton Valley Zoo. The green color is caused by the combination of: 1) an amber or light brown pigmentation in the stroma of the iris (which has a low or moderate concentration of melanin) with: 2) a blue shade created by the Rayleigh scattering of reflected light. Like the other hews mentioned, we are not sure how many people have brown eyes. Blue eyes with a brown spot, green eyes, and gray eyes are caused by an entirely different part of the genome. Photo of Macrophotography of eye - Beautiful greenish eye closeup, Creme lilac white British Shorthair cat on black. Because of this, the pupillary reflex is much more pronounced in albino individuals, and this can emphasize the red eye effect in photographs. Macro shots are sometimes awesome.This close-up shot is more captivating for insect, macro and, Violet cuckoo. Although people with green eyes have more melanin than those with blue, anyone with "light-colored irises do tend to be more light-sensitive," Williams explained. As is the case with the cat in this photo, Van Cats are large and all, Joyful little girl in greenish clothes and hat sits on bedding. There is no blue pigmentation either in the iris or in the ocular fluid. Instead, they're a "curious blend of light brown pigmentation, a yellowish lipochrome pigment, and a splash of Rayleigh scattering.". When you do the math and break down that 2% mentioned earlier, this means that only around 140 million people out of 7 billion on the planet have some shade of green. According to Eyesite.co.uk, green eyes don't actually contain the color green. Favorite Answer. Although Rayleigh scattering is also responsible for making blue eyes, well, blue, green eyes are especially unique because of this "curious blend" of blue wavelengths and yellowish pigment.  A blue coloration of the sclera may also be symptomatic of disease. Looking at, Cute Maine Coon kitten with on white background. When a person is born with blue green eyes, it is the direct result of genetics. 5 Answers. Although Rayleigh scattering is also responsible for making blue eyes, well, blue, green eyes are especially unique because of this "curious blend" of blue wavelengths and yellowish pigment.