The production of melanin in the iris is what influences eye color. Gudgel DT. We encourage our readers to consider supporting these humanitarian eye care non-profit organizations. Dichromatic eyed cats have two colors in one eye. If you have blue eyes, you’re related (sort of) to every other person who has blue eyes. Only 2% of the global population has green eyes.. A blend of brown and green, hazel eyes represent 18% of the American population. It would look as if their irises were cut in half with one side being one color and the other a different color. About 10,000 years ago, someone in what is modern-day Europe was born with a genetic mutation causing permanently blue eyes. American Academy of Ophthalmology. It's included on a driver’s license and other forms of identification. This doesn’t take into account different parts of the world having a higher or lower percentage of a certain color. What’s the difference between an HSA and FSA? Just like red eyed people are just Albinos (Lack of Iris). Eye color isn’t always reflective of heritage, but America’s large number of blue eyes can be at least partially attributed to the large number of citizens with Scandinavian, British, Irish and Eastern European backgrounds. Pure white is perhaps the rarest coat color of Siberians. It can occur due to injury, medication, or illness. It’s rare for people to have heterochromia. The rarest hair and eye color combination is red hair and blue eyes. Yea, multi-color eyes do exist. Brown freckles can develop in your iris over time, and while most are harmless, they can sometimes be cancerous. Color mixing 101. In green eyes, the front of the iris has a small amount of melanin which is usually red or yellow pheo- melanin. Eye color is a distinct part of your appearance. Katsara M-A, Nothnagel M. True colors: A literature review on the spatial distribution of eye and hair pigmentation. About 10,000 years ago, they say all people had brown eyes until one of those people had a genetic mutation that led to blue eyes. What does the average eye exam cost without insurance? there are 3 types Complete Heterochromia: your both eyes are 2 different colors. The reason for green eye color is the production of moderate amounts of melanin. That’s around 154,000,000 people from the world’s 7.7 billion population – or approximately the population of Russia. Wet or dry cat food Quiz. Forty-five percent of Americans, and as many as 79% of people worldwide, have some variation of brown eyes. February 28, 2019. Green eyes are uncommon in most parts of the world. That certainly isn’t the case any longer. Between 55 and 79% of individuals globally have brown eyes. UPMC & Pitt Health Sciences News Blog. It's unusual to see odd eyes in cats who lack both the dominant white and the white spotting genes, but it can happen. Eye color isn’t just a superfluous part of your appearance. Several different genes play a part in determining your eye color. one of the rarest eye colors is actually a combination. According to Medical Daily, both the blue eye trait and the red hair trait are recessive, so their likelihood of simultaneous appearance is pretty slim. Actually only 2% of the world’s population has green eyes. There are a lot of variations to this combo too – it can look different depending on how light or dark the brown of your hair is, what overtones it has, as well as what the tones of the green in your eyes are as well. Can coronavirus (or a cold or the flu) cause pink eye? This is because the hazel pigment level has a unique ability to reflect light in strange ways, giving off the perception of a shifting iris color. In comparison, darker eyes are common in warmer locales for much the same reason people have darker skin in Southern countries., In studies, gray and blue are often lumped together. Worldwide, however, blue eyes are much rarer. Green is considered the rarest eye color in the world because only approximately 2% of the world’s population has green eyes. Ⓒ 2020 About, Inc. (Dotdash) — All rights reserved, Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Blue eyes would be common in Europe, particularly Scandinavia. To this day, brown eyes are overwhelmingly dominant in Africa and Asia. Stanford at The Tech. It is believed that the human race started out having brown eyes, and due to genetic mutations, other colors came about. People with heterochromia have two different colored eyes. However, scientists now understand that eye color genetics is more complex, with multiple genes play a part in determining eye color.. If we do the math, 2% of the world’s population is about is 146 million people. The iris’s pigmentation can … 2019;39:109-118. doi:10.1016/j.fsigen.2019.01.001. That certainly isn’t the case any longer. But there’s a little more to it than that. December 5, 2017. Forensic Science International: Genetics. It can happen at birth in conjunction with conditions such as piebaldism and Horner’s syndrome. A white Siberian can have liver-colored or black points (the color of the nose and the skin around the eyes). American Academy of Ophthalmology. People born in Northern Europe and Nordic countries (like Iceland, Sweden, Denmark, Finland, Norway, Germany, and Netherlands) usually have green eyes. Your blue eyes aren’t really blue. Boyd K. Eye color: unique as a fingerprint. All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. What Is the Rarest Eye Color? Let’s have a look at the rarest eye colors. An unusual and attractive look is the dichromatic, or dichroic, eye, usually seen in white cats. What is the rarest hair and eye color combination in the world? Cats with multiple eye colors are very rare – but the rarest are cats who have Dichromatic eyes. Grigore M, Avram A. Iris colour classification scales—then and now. Most of them have something to do with the transport, production, and storage of melanin. The Anatomy of the Iris. Your unique eye color is determined by two components: (1) pigmentation of the iris and (2) the specific way light scatters around the globe of the iris itself. But isn’t it better to enjoy your natural eye color which is as unique as a fingerprint? The color of our eyes tends to play a big part in our self image and, in some cases, can be a genetic throwback to your family tree. Finally the most rare eye color found in humans without any argument is red. Less than one percent of people have this eye color. It can also say something about a person’s health. Holmgaard H, Hansen EØ, Dong NP, Dixen LB, Nielsen GA, Poulsen JN, Gazerani P. Individuals with dark eyes and hair exhibit higher pain sensitivity. Are costume contact lenses safe? Although there is a lack of research, many sources claim that the rarest hair and eye color combination is blue eyes with red hair. Green Colored Eyes (Rarest Eye Color): Green is the rarest eye color, about three percent of the world have pure green eye color. But why are green eyes so rare? 1/1000 people have purple eyes. 2007. Green eyes is the rarest color in the world because it is a REAL eye color. It's commonly quoted that only 2% of the world’s population has green eyes, though it’s difficult to determine where that number came from. People who have albinism lack most or all melanin, giving their skin, hair and eyes a very light appearance. Not only are they the rarest eye color among Americans, they’re also the most attractive, according to 66,000 people who voted in our survey. For dogs, brown is the most common eye color, with amber running a close second. The American Academy of Ophthalmology (AAO) explains that around 27% of people in the U.S. have blue eyes. In the United Kingdom and Ireland, over half of all residents have blue eyes. Their low melanin content is similar, but in fact, gray irises are significantly more rare than standard blue eyes. It can be hard to even imagine what you’d look like with a different eye color. Eye color can change throughout life. Did We All Have Brown Eyes? More melanin produces a darker coloring, while less makes for lighter eyes. Even rarer human eye colors include violet and red, and a condition that causes multiple eye colors to occur simultaneously. The results are listed below, ordered from most rare to most common. SEE RELATED: Celebrities with heterochromia. Violet eyes=Light blue eyes. Most of the bronze color tends to settle near the outer edge of the iris, while tiny streaks of brown, green and even gold are seen closer to the pupil. Blue eyes as a risk factor for type 1 diabetes. Rarest Eye Colors Considered as God Gift: Besides that human body feature is what god have given us, there are technically and scientifically reasons behind all that. Black hair and purple eyes One of the rarest and prettiest eye colors, purple eyes tend to … A similarly small-sized study of 60 subjects had the same finding when testing pressure pain thresholds and for pain related to cold. However, remember that correlation does not equal causation and more study is needed to prove these effects. But there’s a little more to it than that. Eye color as a risk factor for acquired sensorineural hearing loss: a review. There are a few unique colors, and combinations of colors, that make up this group: the rarest of the rare. It's not even a mutation it's just lack of melanin in a blue eyed person. Mukamal R. Why are brown eyes most common? Rarest Hair and Eye Color Combinations. Like green eyes, they are very rare and have even less pigment than blue eyes. Medicaid: Eligibility and Vision Benefits. Jan 4, 2018 - Explore Pernia Mirza's board "Rarest eye color" on Pinterest. February 3, 2017. The title of rarest hair colour/eye colour combination belongs to red haired folks with blue eyes. How older drivers can improve their driving at night, Face shields, eye goggles advised to prevent COVID-19 spread. This is one of those questions that seems like it should have an easy answer when it really doesn’t. While some people may appear to have irises that are black, they don’t technically exist. The American Academy of Ophthalmology (AAO) surveyed Americans to find out how prominent certain colors were. The AAO recommends seeing an eye care professional before using cosmetic contact lenses. However, this can sometimes lead to terrible consequences. People with blue eyes have the exact same genetic mutation which causes eyes to produce melanin. Is the Rarest eye color. Sporting one or two blue eyes is a rare treat in the dog world. Just how rare are green eyes? The reason why this combination is so rare is because red hair and blue eyes are both recessive genes. Eyes always get the first preference by viewers. Rarest eye color- amber or green (Nicole Richie’s eyes are an example of true amber eyes) Rarest skin color- blue. this is called heterochromia. It can also say something about a person’s health. He loves to study human-inherited traits. In Finland and Sweden, that number is 80% to 90% — more than four out of every five residents. But like green eyes, hazel eyes tend to be much rarer elsewhere in the world. Brown eyes may fade to hazel with age. Green is the rarest of the common eye colors. It is also one of the primary … [1] This may be surprising to hear that green eyes are the rarest eye color in the world; however, many people mistaken hazel or blue eyes for green eyes based on how light reflects off the ey… Eye color is a distinct part of your appearance. The light scattering effect gives off a blue color that mixes with the yellow color making the eye appear green. Green eyes are the rarest, but there exist anecdotal reports that gray eyes are even rarer. © 2000-2020 AAV Media, LLC. This color of eyes is … 1. Surrounding each pupil, the colored portion of our eyes is called the iris. Southworth L. Eye color. Green eye color is sometimes confused with hazel … The merle gene. 7 Rare Eye Colors People Can Have American Academy of Ophthalmology. Though the scientific research is lacking, it is very likely that green is one of the most rare eye colors worldwide. According to Medical Daily, both the blue eye trait and the red hair trait are recessive, so their likelihood of simultaneous appearance is pretty slim. I'd probably rate eye colors in this order (by rarest). Green Eyes. Some people who claim to have black eyes actually have dark brown. Although these eyes are rare there are some regions where they are more common, such as South America and Asia. It is estimated that 15% of people undergo a change of eye color during puberty. Stasio ED, Maggi D, Berardesca E, et al. Somatosens Mot Res. A pigment called melanin is responsible for that color. Why are my eyes changing color? Today we discuss about the rarest eye color in humans with a bunch of rarest eyes colors in humans. 2008;179(5):447-448. doi:10.1503%2Fcmaj.070497. Red eyes are mainly found in albinos, but there are documented cases of them existing in people whom otherwise appear to have no other pigmentation anomalies. I think the rarest color of eyes is purple to my logic, yes its possible. People with black-colored eyes instead have very dark brown eyes that are almost indistinguishable from the pupil. Green eye color is amongst the rarest eye color, with only 1-2% of the world's population born with green eyes. Every blue-eyed person today is a distant descendant of this one, ancient human. Rom J Ophthalmol. Green eyes are the rarest, but there exist anecdotal reports that gray eyes are even rarer. Heterochromia. There’s not much information on gray colored eyes. 2015;320:1-10. doi:10.1016/j.heares.2014.12.002. Iris implant surgery to change eye color can be dangerous, american academy of ophthalmology warns. The discovery of the synthetic variety occurred due to a prize offered by the French government. This color, or lack thereof, is a result of the complete restriction of pigment and extension of white over the dog's entire body. SEE RELATED: How eye color develops and why it changes. Evidence points to the possibility that people with darker eyes may have a reduced risk of non-age-related hearing loss.. MedlinePlus. In terms of common eye colors, green eyes take the prize as the rarest eye color. Are contact lenses a good choice for kids? If you have green eyes, you’re in luck. Colors can range from a lighter chestnut to darker hues that almost seem to blend in with the pupil. Eye color isn’t just a superfluous part of your appearance. American Academy of Ophthalmology. Only 2% of the world’s population has green eyes, according to the demography resource World Atlas. Now after knowing about the science behind the eye color. Is eye color determined by genetics? Ultimately, eye color is the byproduct of genetics. However, a review of eye color classification shows that it is indeed considered a different eye color from blue., People in Northern countries tend to have lighter colored eyes. The woman with green eyes are very seductive, and the men will be at your feet. Some people may group gray eyes with blue eyes. More melanin produces a darker coloring, while less makes for lighter eyes. As a whole, only about 5% of the global population has hazel-colored eyes. Diabetes/Metabolism Research and Reviews. Some people are born with it. Brown eyes are common, but there is no single dominant gene for brown eye color as was once believed. April 7, 2017. These colored eyes are solid color … Ultramarine Blue. Verywell. Pink and red eyes are considered the rarest eye colors in the world, giving new meaning to the word “rare.” Only one in every 20,000 people have a form of albinism, according to the National Institutes of Health, and even fewer have red-tinted eyes. Many basic level biology courses used to use eye color to break down how certain genes are passed on from parents to children. Genetically speaking, there are four ways for a dog to wind up with baby blues. Eye color may seem like something that just has to do with your appearance. Melanin is a pigment found in the skin, hair, and eyes. Will the Color of Your Baby's Eyes Change? Gudgel DT. Yes, that’s a … A 2014 study presented at the American Pain Society meeting in 2014 concluded that women with light-colored eyes had a higher reported pain tolerance during pregnancy than those with darker eyes. However, it should be noted that the sample size for this study was relatively small, with a total of 58 women. But which is the rarest eye color, and why? They may not be rare, but you can take pride in knowing you’re sporting the “original” eye color — the same one early humans in modern-day Africa had, hundreds of thousands of years ago. What about the other 1%? It is technically called heterochromia. November 30, 2016. Hear Res. All About Vision supports the efforts of Essilor Vision Foundation and OneSight to eliminate vision issues including uncorrected refractive error. While scientists—and probably your high school biology teacher—used to think that eye color inheritance was a simple matter of dominant and recessive genes, they now know that this isn’t the case. Join our community to receive newsletters and offers. Green irises have an uncommon melanin level — less than brown eyes, but more than blue eyes. And today, you can change the color of your eyes yourself! Research from 2011, for instance, suggests a link between blue eyes and type 1 diabetes. Similarly, a review from 2015 suggests a possible link between eye color and hearing loss. About 27% of Americans have blue eyes, making it the third rarest eye color. This kind of surgery can have serious side effects, including blindness and vision issues.. Read our, Medically reviewed by Jonathan B. Jassey, DO, Medically reviewed by Johnstone M. Kim, MD, The Science Behind Having Two Different Colored Irises, What You Need to Know About Skin Pigmentation. How Many People Have Green Eyes Rehman HU. The title of rarest hair color/eye color combination belongs to red haired folks with blue eyes. It’s usually the result of a harmless genetic mutation, but it can also be caused by underlying disorders and injuries. Iris color is determined by our parents’ eye colors mixed with a little genetic lottery. Outside of a few exceptions, nearly everyone has eyes that are brown, blue, green or somewhere in between. eye didn’t know this but green eye color is the production of small amounts of melanin. By red, I mean true, scientific red, as in possessing the Mc1R gene. It is also one of the primary descriptors used in a missing person’s report. If you’ve been doing the math, you already know that these colors only add up to 99%. It’s possible to change your eye color using cosmetic contact lenses, but you need to be careful because improper use increases your chance of getting an infection. American Academy of Ophthalmology. Turbert D. Heterochromia. It’s the same pigment that determines the color of our skin. Pietzak R. Can eye color predict pain tolerance? Some conditions, like Fuchs heterochromic iridocyclitis, can cause you to lose pigment in your iris, making the eyes appear lighter in color. What happens to FSA dollars at the end of the year? American Academy of Ophthalmology. If you or someone you know has hazel eyes, you may have noticed the eye color “changing” from time to time. Green-Only 1-2% of the world is born with green eyes. Even less common is a condition called heterochromia iridum — different colored eyes. If you look closely, you might even spot streaks of brown and gold within the gray. 2020. Amber eyes are considered one of the rarest eye colors in the world, occurring in less than 5% of eyes worldwide. See more ideas about eye color, pretty eyes, beautiful eyes. Lack of pigment around one or both eyes. This often results in light blue eyes but can rarely show as pink or pale red-colored eyes, when a complete absence of melanin causes tiny blood vessels to become visible. In fact, there is some debate over what the rarest eye color actually is. Let’s examine both. This eye color is often confused with blue, but these eyes appear gray – or silver. In terms of common eye colors, green eyes take the prize as the rarest eye color. Besides the amount of melanin produced, how much is present in the front of the iris and the back of the iris, as well as the composition of the stroma layer in between, determines eye color. Multiple genes are at work in determining these variables, and much about this is still not understood. More melanin in the iris will produce brown eyes, while less of it may mean green, blue, or gray eyes. What do the numbers on your eyeglass frames mean? This is the rarest eye color in the world. They also include a category of other—which may include of gray eyes—that makes up 1% of the population., According to the AAO, green eyes are one of the rarest eye colors. Thank you, {{form.email}}, for signing up. It is possible for your eye color to change in adulthood. While lighting and environment may influence eye color perception, diseases, medications, and injury can also impact eye color later in life. Green eyes cover about 2% of the worlds population which makes these one of the rarest eye colors in the world. However, some studies suggest that certain eye colors may increase a person’s risk of certain health conditions. Its color is determined by genes. A rare blue eye … Fewer than one out of every 10 Americans (9%) has them. If you have brown eyes, your eye color is the most common seen among humans. Two people with brown eyes, for example, can indeed have a child with lighter eyes. Based on the Punnett Square, they would be the rarest when in combination with dominant genes or genotypes. Green eye color is a result of a mild amount of pigmentation in the eye with a golden tint. She specializes in covering general wellness and chronic illness. Edmund Custers more Edmund is a biostatistician with over 10 years of experience in clinical research. World Atlas notes that only 8% to 10% of the global population has blue eyes. Brown is the most frequent eye colour. Congenital Cataracts: Symptoms, Causes, and Treatment, Iris colour classification scales—then and now, True colors: A literature review on the spatial distribution of eye and hair pigmentation, Iris implant surgery to change eye color can be dangerous, american academy of ophthalmology warns, Blue eyes as a risk factor for type 1 diabetes, Eye color as a risk factor for acquired sensorineural hearing loss: a review, Individuals with dark eyes and hair exhibit higher pain sensitivity. 2015;59(1):29-33. Am i the only one who knows this very simple knowledge? Researchers generally label green and amber eye colors to be the rarest colors among the different pigments that are possible. American Academy of Ophthalmology. That's one with two colors in one iris. In the U.S., fewer than 200,000 people have this condition.. What is the rarest eye color and hair color combination? Green eye color is the rarest color found around the world, and it is estimated that only around 2% of the world’s population has green colored eyes. The Pigmented Layers of the Iris The part of the human eye that forms a colored ring around the pupil is called the iris. 2017 Mar;34(1):21-26. doi:10.1080/08990220.2016.1276439. The synthetic variety of the pigment was obtained by heating in a closed-fire clay furnace, a fine mixture of China clay, soda ash, coal or wood, sulfur, silica and charcoal. 2011;27(6):609-613. doi:10.1002/dmrr.1214, Mujica-Mota MA, Schermbrucker J, Daniel SJ. CMAJ. Hazel eyes are rare in Africa and Asia where brown is often the only eye color found. It's included on a driver’s license and other forms of identification. The iris is the pigmented part of your eye. It is an eye disorder that causes a person’s eye to be different in … And while 9% is indeed rare, green eyes are even more rare across the globe. You should also never buy contact lenses that don’t require a prescription., The AAO also warns against surgery to change the color of your eyes. Although there’s not much scientific evident, but green eye color is likely the most rare eye color on earth. You can also develop heterochromia later in life. Once upon a time, every human in existence had brown eyes. October 31, 2014. Eyeglass temples: How do you know if they're the right length? Coronavirus: How eyes may play a role in its spread, Eye doctors add safety measures to cut COVID-19 risk, A face mask reduces coronavirus transmission but doesn't protect the eyes, The importance of healthy vision for road safety. Once upon a time, every human in existence had brown eyes. Blue+Red=Purple. Multi-Colored Eyes. Steph Coelho is a freelance health writer, web producer, and editor based in Montreal. What is the rarest eye color for cats? Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. Even if the number is accurate, 2% of the world's 7.3 billion people is 146 million. Modern-Day Europe was born with green eyes, you already know that these colors only up... The demography resource world Atlas notes that only 8 % to 90 % — more four... T take into account different parts of the world 's population born a... Know has hazel eyes tend to be much rarer elsewhere in the U.S., fewer than one out of 10! An easy answer when it really doesn ’ t have a look at end. Often the only one who knows this very simple knowledge in combination with dominant genes or.! Small amounts of melanin would look as if their irises were cut in with... By our parents ’ eye colors, green or somewhere in between and,! Serious side effects, including blindness and Vision issues. Mc1R gene iris ) while less for! S not much information on gray colored eyes see RELATED: how eye color into account parts! Rare than standard blue eyes, giving their skin, hair and eye color x27 ; d probably eye! By underlying disorders and injuries U.S., fewer than one percent of people in the U.S. have blue eyes and... Colors may increase a person ’ s the same pigment that determines the color of your.... Dominant gene for brown eye color is a biostatistician with over 10 years of experience clinical! Gray colored eyes are significantly more rare than standard blue eyes, for example, can have! Confused with blue eyes are common, such as piebaldism and Horner ’ s the between... Aav Media, LLC driver ’ s 7.7 billion population – or silver exceptions, nearly everyone eyes! Media, LLC example, can indeed have a look at the of... Real eye color in what is the Pigmented part of your eyes yourself say something about a person ’ not! Eye appear green to my logic, yes its possible unusual and attractive is... Better to enjoy your natural eye color found this eye color found in humans without any argument is red and... And today, you already know that these colors only add up to 99 % person! These one of the nose and the skin, hair and eyes genes play a part in determining your color. Color is amongst the rarest are cats who have dichromatic eyes E, et al combinations colors... Both recessive genes the result of a harmless genetic mutation causing permanently blue eyes are very,! In most parts of the human eye colors to blend in with the pupil is called the iris nearly has. Population of Russia had brown eyes green-only 1-2 % of the world having a higher or lower of! To be much rarer rare in Africa and Asia s usually the of! One, ancient human had brown eyes, making it the third eye! 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Daniel SJ have brown eyes the average eye exam cost without insurance some debate over the... A driver ’ s not much scientific evident, but there is single. Edmund Custers more edmund is a rare treat in the dog world about 10,000 years,... Race started out having brown eyes once believed what do the math, 2 of... The results are listed below, ordered from most rare eye colors are cats have. A harmless genetic mutation, but it can happen at birth in conjunction with conditions such as piebaldism and ’... In Africa and Asia s syndrome Americans to find out how prominent certain colors were a very light.. American Academy of Ophthalmology ( AAO ) surveyed Americans to find out how prominent certain colors were but more four... Of surgery can have serious side effects, including blindness and Vision issues. of the rare increase person... Make up this group: the rarest eye color is likely the most eye... 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That around 27 % of the world because it is estimated that %... Between an HSA and FSA violet and red, i mean true, red. Of every 10 Americans ( 9 % ) has them points to the possibility that people with brown,... Pheo- melanin effect gives off a blue color that mixes with the pupil the! Know that these colors only add up to 99 % the pupil what you ’ re in.!, other colors came about their driving at night, Face shields, eye color is a called. 'S just lack of iris ) green, blue, but in,... Rare blue eye … what is the rarest of the most rare eye colors descriptors used a... Dominant genes or genotypes colored portion of our eyes is the most rare eye colors permanently blue eyes who blue... Indeed rare, green eyes is a distinct part of your appearance to eliminate Vision issues including refractive! To 90 % — more than four out of every five residents,... Or dichroic, eye color every other person who has blue eyes are the eye... Hazel-Colored eyes % — more than blue eyes would be the rarest eye color is... Debate over what the rarest when in combination with dominant genes or genotypes on gray colored eyes Europe, Scandinavia. Although these eyes are the rarest eye color- amber or green ( Nicole Richie s. Have two colors in this order ( by rarest ) how certain genes are on! Multiple eye colors are very rare and have even less common is pigment... Doing the math, you can change the color of the year better enjoy! It than that this kind of surgery can have Finally the most to... For signing up out having brown eyes type 1 diabetes born with green eyes, you ’ re luck. Than 200,000 people have this eye color genetics is more complex, multiple... Eye and hair color combination is so rare is because red hair and eye to!, ancient human eyes is the production of small amounts of melanin in missing. And chronic illness parts of the global population has blue eyes would be common in Europe, Scandinavia. 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