So dont be concerned if your child begins to lose their baby-blue eye color. Green eyes are a rare color, occurring in only 2% of people worldwide. Blue eyes are a result of genetic variation and not inbreeding. Protecting your eyes and getting regular check ups is important no matter the color of your irises. 2000-2023 AAV Media, LLC. Plus, although this cancer is extremely rare, light-eyed folks are also more susceptible to sun damage from exposure to UV rays. Can You Have One Blue Eye and One Brown Eye? Blue eyes actually didn't exist 10,000 years ago. Brown-eyed individuals, on the other hand, have a lot more variation. While researchers have not pinpointed the exact cause yet, they do know that besides age, women with fair skin, blonde hair, and blue eyes have a significantly higher chance of developing macular degeneration. When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. Inbreeding stacks the odds of being born with such conditions against you. The mutation of brown eyes to blue represents neither a positive nor a negative mutation. Freckles are clusters of cells that overproduce melanin granules; they are triggered by exposure to sunlight on pale skin. How Many Eyes Does A Butterfly Have? New research shows that people with blue eyes have a single, common ancestor. Genetic red hair is rarer In Asia, but can be found in the Near and Middle East. Blue eyes come with a few risks Melanin in the iris appears to help protect the back of the eye ( retina) from damage caused by the UV radiation and high-energy visible blue light that comes from the sun and some artificial sources. This is called outbreeding, for obvious reasons, and while it seems to be the go-to solution, there is a catch. Common Eye Disorders. Blue-eyed humans have a single, common ancestor. bee However, some people might find brown eyes more attractive than other eye colors, while others might prefer blue eyes. Diabetes Metab Res Rev. Edible This is important as certain congenital defects and genetic diseases, such as cystic fibrosis, are carried by recessive alleles. . Note: Content may be edited for style and length. International Journal of Ophthalmology. If you have blue eyes it does not mean that your iris is actually colored blue. However the gene for blue eyes is recessive so you'll need both of them to get blue eyes. While there are still many questions to investigate and explanations to find, researchers in Europe are noticing a significant portion of those with type 1 diabetes also have blue eyes. Vestiges of the occipital bun were common in early modern European skulls, but are relatively rare among Europeans today. Modern human faces tend to be small and tucked into the lower half of the head under a rounded brain case. That's good news if you have blue eyes, since your risk of cataracts is lower. We all had brown eyes at first, said Hans Eiberg, an associate professor in the universitys Department of Cellular and Molecular Medicine. The pupil is an opening at the center of the iris that appears black, while the white part of your eye is called the sclera.
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