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The term hooded eyes refers to the condition where excess skin directly under the brow line folds over the upper eyelid, covering it like a hood. Some black. This experiment tested effects of human eye pigmentation depending on the ethnicity on suppression of nocturnal melatonin secretion by light. To talk about Asian eyes is to have a unique lexicon. Lets say we have a sample of five people, as shown below. In most people, the back layer has at least some brown pigment in it, even if their eyes don't look brown. Brown is the most common eye color in both the United States and the world. Since blue-eyed parents tend to have blue-eyed children (though other colors are possible), blue eyes function as assurance of paternity and the fidelity of their partner. So do Asians carry this blue-eyed allele? Just because so many people have brown eyes doesn't mean that all brown eyes are the same far from it, in fact. If the two alleles of a specific gene are different (heterozygous), the trait that is dominant is expressed (shown). Now, half of all people in the U.S. have brown eyes. I also have two different eyelids. With monolid eyes, the skin of your upper eyelids covers the inner parts of your eyes. Blue andgreen eyes are often treasured and admired, not only for their beauty, but for their rarity. People with Waardenburg syndrome may also be born with very pale eyes or one eye that is two colors. No, all dogs do not have brown eyes. Dark eye color is also prevalent in the Middle East and The Americas, although in the United States, 41 percent of the population has brown eyes, which is lower than elsewhere. I would sleep with eye tape on every night, hopeful it would make my eyes get bigger. As a kid, it was pretty common for people, including total strangers, to use their hands to pull their eyes into tiny slits and shout insults like Chink, Hey, Bruce Lee, or anything in an absurd stereotypical Chinese accent. Your effort and contribution in providing this feedback is much See the latest news and share your comments with CNN Health on. In general, people with brown eyes will probably experience less light sensitivity than people with light-colored eyes because of the extra melanin in the eye, giving additional light protection (via The New York Times).