Melanoma of the uvea is an extremely rare disease. People with lighter eye colors may be more likely to develop cancer of the eye called uveal melanoma. Green eyes, like blue and gray eyes, may have an increased risk for certain eye cancers. Since it is rare, it is often deemed very attractive. This eye color is associated with jealousy and passion. People with green eyes are often considered creative and imaginative. Further studies are needed to draw strong conclusions on the association between eye color and pain tolerance. Advantages of Green EyesĪ 2014 study from the University of Pittsburgh found that women with green or blue eyes may be able to handle pain better than women with brown or hazel eyes. Green Eyes & Eye Health: Advantages & DisadvantagesĪs with all eye colors, some links have been made between green eyes and certain health conditions or traits. People with green eyes are generally found in northern, central, and western Europe.

This rarity makes it a sought-after color. According to the World Atlas, only 2 percent of people in the world have green eyes. Green eyes are the rarest eye color in human beings. Between the first few months or few years, your baby will produce more pigment, which may cause their eyes to turn green, hazel, or brown. If your baby is born with blue eyes, there is a chance their eyes may change colors. Due to these genetic variations, parents can give birth to children with different eye colors. Recent genetic research now confirms there are 16 genes responsible for color. In the past, people believed that eye color depended only on a single gene. Individual eye color is determined by genetics. Eyes that have more melanin appear hazel. Ultimately, eyes that have less melanin tend to look green or blue. In green eyes, the levels of melanin are lower than in brown or hazel eyes. The color of the eye is determined by a pigment called melanin in the outer layer of the iris. Green eyes are not caused by pigmentation, but by a lack of it. The largest concentration of green eyes is found in Ireland and Scotland, where 86 percent of the population has blue or green eyes. Green eyes are the rarest color, with only 2 percent of the world population naturally having green eyes.

Light blue green eyes