What color are the eyes? Where are they?

1, brown eyes

Brown is the most common eye color in the world. More than 55% of the world's population has brown eyes. Brown eyes are a dominant genetic trait, which is produced by melanin in eyes. Almost all Africans and Asians have eyes of this color. Some people even look black with brown eyes.

2, light brown eyes

Light brown eyes are similar to brown eyes, but the color is much lighter and there are more yellow-green tones. The melanin in the iris edge of hazel eyes is more concentrated. According to the different brightness of the outside world, the change between the brass color and green color of hazel eyes makes the eyes look rich in color. About 5% to 8% people in the world have light brown eyes.

3. Blue eyes

Blue eyes are a recessive genetic trait, so they are not common in the world. Blue eyes are caused by the lack of pigment in the eyes. This blue color is formed by the light scattered when the iris reflects light. Blue eyes are not as common as brown eyes. They are very common among the Nordic peoples. According to statistics, about 8% of the world population has blue eyes.

4. Green eyes

The color of green eyes is often confused with light brown. But it is a completely different eye color. According to statistics, only about 2% of the population in the world have green eyes. Green is caused by slight pigmentation with a golden hue in the eyes. When it is combined with the natural blue scattered light in the eyes, the color becomes green. Green eyes are most common in northern and central Europe. But it is also found in western Asia, but it is relatively rare.

5. Silver eyes

Silver eyes are also rare. Although many people see silver as a variant of blue eyes. Like blue eyes, silver eyes are caused by less pigmentation. It turns silver-gray after reflection. Silver eye is the most common eye color in eastern European countries and one of the rare eye colors in the world.

6. Amber eyes

Amber eyes are brass. It is caused by yellow lipid pigmentation. Amber eyes are most common in families in Asia and South America. The color range of amber eyes includes all colors from golden yellow to dark copper.

7. Black eyes

Have you ever seen a man with dark eyes as at night? . Very similar to black and brown, although it looks black, it is only a color similar to black and brown. This is caused by excessive melanin. Only by observing your eyes in bright light can you tell the pupil from the iris.

8. Red/pink eyes

There are two main conditions that can cause eyes to be red or slightly peach. Suffering from albinism and blood infiltration, but iris. Although albinos lack pigment, they are more likely to have blue eyes. But some kinds of albinism may make eyes appear red or pink.

9. Violet eyes

This is a rare eye color, which is most common in albino patients. It is said that people without albinism can't really have purple eyes. The reason is the lack of pigment, which mixes with the red reflected by retinal blood vessels to produce beautiful violet eyes.

10, heterochromatic eye

This is not a fixed color. This is a rather rare eye disease. That is to say, the color of one iris is different from that of the other. Or there is a spot on the iris, which is completely different from other parts of the iris because of the different pigments. This is a rather interesting eye color. Few people have them, but many people wear contact lenses to make their eyes look normal.