Mostly, you see brown or blue eyes when you look at the people around you, but some people wind up with really cool and rare eye colors. Here are some of the rarest eye colors and how they happen.

Silver eyes are not just light blue or gray eyes, but have a distinct metallic silver appearance. There are a few different causes of silver eyes in humans. The most common causes are high levels of lipochromes, argyrosis from exposure to silver, and heterochromia.

Silver (grey) eyes: A grey-silver colour is quite rare and occurs as a result of virtually no melanin in the iris. Silver eyes are considered to be one of the rarest colours around the world, but when they do occur, this is most often seen in eastern Europe areas.

2020年9月4日 · Every eye color — yes, even green — is actually some shade of brown, thanks to the melanin inside the iris. Light bounces off this melanin in different ways and creates a sort of optical illusion, allowing us to see vibrant greens and blues. Iris color is determined by our parents’ eye colors mixed with a little genetic lottery. Green ...

In this article, we will countdown the top 10 most rare and unusual eye colours in the world. Factors considered include global frequency, geographic distribution, and genetic uniqueness. For each eye colour, we explore its distinctive genetic mechanisms, geographic spread, and how it manifests visually.

2024年8月3日 · Eye color is determined by a person's genetics, although sometimes eye color can change due to medication side effects or certain eye conditions. Gray eyes and green eyes are considered to be the rarest eye colors.

Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1][2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3]: 9.

2023年2月20日 · You’re probably familiar with the same old shades but believe it or not there are people with silver, violet or even multicolored eyes out there. Let's explore some of the rarest eye colors in the world.

2024年1月17日 · The rarest eye color is considered to be silver or gray. Less than 1% of the world’s population has silver or gray eyes. Silver eyes have very low pigmentation in the iris, resulting in a grayish appearance.

Gray eyes are one of the rarest eye colors in the world, only occurring in around 1-2% of the global population. If you have gray eyes, it means your irises contain low levels of melanin pigment. The amount of melanin in your irises determines your eye color. Less melanin leads to lighter eyes, while more melanin results in darker eyes.