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Green eyes prevalence. What can tell the color of a person's eyes

Any person has a feature that can affect his fate. This is the color of the eyes. It is indisputable that people from heavenly blue eyes draw more attention to themselves. This also applies to the owners of black eyes. Even poets sing of them in their works.

Eyes. Eye color around the world

The eyes appear and look like something foreign, like pieces of unusual glass. They are called the mirror of the soul. There is a feeling that they help to see what is hidden inside, in the soul. No wonder the eyes are the object of attention of soothsayers, psychics, magicians and fortune tellers. Eyes are something mysterious, connecting a person with an unusual, different, unknown world ...

There are a wide variety of colors. There are very common among them, and there are people who have the rarest eye color. And each color has a variety of shades. Most often this diversity is imperceptible, but sometimes it catches the eye.

People with a variety of shades of eyes are settled around the world, and unevenly. For example, dark-eyed people predominate in Africa, while light-eyed people predominate in the Scandinavian countries. Green eye color is the rarest on the planet, however, their owners can be found on any continent.

In dark eyes (brown and black), the iris is saturated with a large amount of melanin. Apparently, the predominance of one color or another among different nationalities also depends on the climatic conditions of life.

Why are they all different?

The main creator of eye color is melanin, or rather, its amount in the human body. Brown-eyed people have a lot of it, and people who have green color - the rarest, have very little melanin. However, heredity also plays a role.

Each person has the color of the iris, laid down by genes (inherited). Moreover, the color can be transmitted from grandparents.

It is believed that it is possible to find out the color of the eyes of an unborn child. Let's look at some examples:

1. If, for example, both parents have blue eyes, then there is a 99% chance that the baby will be born with blue eyes and only 1% chance that the baby will have green - the rarest eye color;

2. If one parent has them blue, the other has green, the probability is 50% to 50%.

3. If both parents are green-eyed, then there is a 75% chance that the child will have green eyes, 24% with blue eyes and 1% with brown eyes;

4. If one of the parents is blue, the other is brown-eyed, then with a probability of 50% their child will have brown, 37% - green, and 13% - blue;

5. Brown-eyed parents give offspring with brown eyes with a probability of 75%, 18% of cases with green eyes and only 7% with blue eyes.

According to statistics, brown eyes are the predominant color in the world. Such people can be found almost everywhere, however, in different percentages of the total number of people in different parts Earth.

The rarest eye color in the world is green. Only 2% of people all over the world have such an unusual beautiful color. There is a legend: in the Middle Ages, green-eyed people were burned, considering them to be witches. Usually red-haired people have this color. In connection with these events, the gene that transmits the green color to the eyes was in the minority.

The most common green-eyed people among the Eastern peoples and Western Slavs, among the Scots and Germans. However, even among Icelanders there are often owners of unusual green eyes. Blue and green colors are 80% of the inhabitants of this small state.

In Turkey, such a rather rare color is observed in 20% of the population. There are practically no green-eyed people in South America, Asian countries and the Middle East. It is also believed that the most exotic, rarest eye color is purple.

unusual colors

And yet, what is the rarest eye color? In the world you can find more unusual, and even very rare colors. Various genetic changes (mutations), serious diseases can cause the iris to take on the rarest eye color. Or there are purple eyes, it looks just fantastic.

In addition, there are people with eyes of different colors. This violation is familiar to many - heterochromia. It can be both complete and partial. In the first case: one eye, for example, is blue, the second is brown. With partial heterochromia, only a small part of the eye differs in color from the entire iris. Such partial heterochromia in life is more common than complete. Both types of heterochromia are most common in animals.

There are also congenital disorders. One of them is aniridia. With this problem, the iris may be partially or completely absent.

There is also albinism, a rare but very serious birth defect that occurs in albinos. The eye color of such people is almost red - the rarest color among people with various deviations (mutations).

Change in eye color. Can this happen?

Eye color depends on the pigmentation of the iris itself. Even in this, the vessels, the fibers of the shell of the eye themselves, play an important role. Immediately after birth, children's eyes are usually blue or light blue in color. Of course, there are often brown-eyed newborns. Over time, their color may change.

The final color of the eyes is formed by the age of 12. And closer to old age, it begins to fade. This is due to depigmentation.

The relationship of eye color with other external characteristics of people

Usually, eye color is associated with hair color and skin color. In classic cases, dark-skinned individuals have dark hair color and dark eyes (black and brown), such as Africans and Asians. People with lighter skin have blond hair and light-colored eyes (blue, grey, blue). These are Swedes and people of Slavic nationalities.

Eyes and character

In general, the relationship between eye color and a person's character has not been proven. And yet, in America, studies were conducted in which women and girls participated (1000 people from 16 to 35 years old).

Results of a survey about people with brown eyes:

In 34% of respondents, brown eyes are associated with people with a developed intellect;

13% - with kindness;

16% of respondents believe that people with such eyes can be trusted.

The rarest eye color (green) is associated with the following characteristics of people:

29% of respondents have associations with a sign of sexuality;

25% - with creativity;

20% of respondents associate with cunning.

The following associations arose about people with blue eyes:

42% are nice people;

21% - sexual;

10% are good people.

celebrity eye color

Blue eyes of the charming film actor Brad Pitt and Margaret Thatcher.

The rarest eye color in the world is green for Demi Moore, Angelina Jolie and Russian ballerina Anastasia Volochkova.

Strong historical figures Lenin and Stalin had amber eyes.

Black-eyed beautiful American actress Salma Hayek.

The famous musician Sting is blue-eyed. This includes Napoleon.

The eyes of the dazzling actress Julia Roberts have a beautiful marsh color.

Eyes are the wealth of every person. This is a window to the outside world. They enable people to see the beauty of nature, the attractiveness of the whole world. Every eye color is unique to each person. We should be proud of them and take care of them. After all, this is a gift of fate and nature.

From the school biology course, we know how the eye color of a child is genetically determined, we know that brown color dominates blue and it happens that a person has eyes of different colors. We will tell you about the facts that you did not know. For example, until what age is eye color formed and why does our iris have one color or another?

Fact 1: all people are born with bright eyes

Please note that all newborn babies have gray-blue eyes. Ophthalmologists explain this very simply - babies have no pigment in the iris. Exceptions are only in the countries of East, Southeast and South Asia. There, in children, the iris is already saturated with pigment.

Fact 2: we acquire the final color of the eyes in adolescence

The color of the iris changes and forms by 3-6 months of a child's life, when melanocytes accumulate in the iris. The final color of the eyes in humans is established by 10-12 years.

Fact 3: brown eyes are blue eyes

Brown is the most common eye color on the planet. But ophthalmologists say that brown eyes are actually blue under brown pigment. This is the result of a genetic mutation. The outer layer of the iris contains a large amount of melanin, resulting in the absorption of both high and low frequency light. Reflected light results in a brown (brown) color.

There is a laser procedure to remove the pigment and make the eyes blue. It is impossible to return the previous color after the procedure.

Fact 4: in ancient times everyone was brown-eyed

Researchers have found that 10 thousand years ago, all the inhabitants of the planet had brown eyes. Later, a genetic mutation appeared in the HERC2 gene, in carriers of which the production of melanin in the iris decreased. This led to the appearance of blue for the first time. This fact was established by a group of scientists at the University of Copenhagen led by Associate Professor Hans Eiberg in 2008.

Fact 5: a little about heterochromia

This is what is called the different color of the iris of the right and left eyes or the unequal color of different parts of the iris of one eye. This feature is explained by the fact of excess or deficiency of melanin due to diseases, injuries, genetic mutations. With absolute heterochromia, a person has two different colors of the iris. One eye can be blue, the other brown. The planet is home to 1% of people with such an unusual deviation.

Fact 6: green is the rarest eye color

Green eyes have 1.6% of the people of the planet, it is the rarest, as it is eradicated in the family by the dominant brown genome. Green color is formed like this. In the outer layer of the iris, an unusual light brown or yellow pigment lipofuscin is distributed. Together with the blue or blue color resulting from scattering in the stroma, green is obtained. Pure green eye color is extremely rare: the color of the iris is usually uneven, and this leads to the appearance of numerous shades. Most often, green eyes are found in those whose genotype is dominated by the gene responsible for the red hair color. Swiss and Israeli scientists came to such conclusions. These findings are indirectly supported by the high prevalence of green eyes among red-haired people. The results of the study were published in the "Genetic nature" section of the Nature.com portal.

Fact 7: a little about other colors of the iris

Black color the eye is similar to the structure of brown. But the concentration of melanin in the iris is so high that the light falling on it is actually completely absorbed. Black eye color is most common among representatives of the Mongoloid race in East, Southeast and South Asia. In these regions, the iris of newborns is already saturated with melanin.

Blue colour the eye is the result of light scattering in the stroma (in the main part of the cornea). The lower the density of the stroma, the more saturated the blue color.

Blue the eye, unlike blue, is due to the higher density of the stroma. The greater the fiber density, the lighter the color. As we all remember, this beautiful color was partly the reason for the formation of fascist ideology. After all, according to scientists, 75% of the indigenous people of Germany have blue eyes. No country in the world has such a concentration of blue-eyed people.

hazel color is a combination of brown (hazel), blue or light blue. And it can take on different shades depending on the lighting.

Grey colour the eye is similar to blue, while the density of the fibers of the outer layer is higher. If the density is not so high, the eye color will be gray-blue. Gray eye color is most common among residents of Northern and Eastern Europe, in certain regions of Northwest Africa, as well as among residents of Pakistan, Iran and Afghanistan.

Yellow eyes are extremely rare. It is formed due to the content of the pigment lipofuscin (lipochrome) in the vessels of the iris. But in most cases, the fact of this eye color is due to the presence of kidney disease.

Fact 8: Albinos can have both red and purple eyes.

The most unusual and interesting eye color, red, is commonly found in albinos. Due to the lack of melanin, the iris of albinos is transparent and looks red due to blood vessels. In some cases, red, mixed with the blue color of the stroma, gives a purple eye color. However, such deviations occur in a very small percentage of people.

Prepared using materials: ailas.com.ua, medhome.info, glaza.by, medbooking.com, nature.сom, nfoniac.ru

According to scientists and statistics, the rarest eye color is green. Its owners make up only 2% of the total population of the planet.

The green hue of the iris is determined by a very small amount of melanin. In its outer layer there is a yellow or very light brown pigment called lipofuscin. In the stroma, a blue or blue tint is present and diffuses. The combination of diffuse tint and lipofucin pigment gives green eyes.

As a rule, the distribution of this color is uneven. Basically, there are a lot of its shades. It is extremely rare in its pure form. There is an unproven theory that green-eyedness is related to the red hair gene.

Why green eyes are rare

In an attempt to find out why green eyes are rare today, you should seek possible reasons to the Middle Ages, namely to the time when the Holy Inquisition was a very influential institution of power. According to her doctrines, the owners of green eyes were accused of witchcraft, ranked as accomplices dark forces and burned at the stake. This situation, which lasted for several centuries, almost completely replaced the already recessive green iris gene from the phenotype of the inhabitants of Central Europe. And since pigmentation is an inherited trait, the chance of its manifestation has decreased significantly. So green eyes have become an infrequent occurrence.

Over time, the situation has somewhat leveled off, and now green-eyed can be found in Northern and Central Europe, and sometimes even in its southern part. Most often they can be seen in Germany, Scotland, Iceland and Holland. It is in these countries that the green eye gene is predominant and, interestingly, seen more frequently in women than in men.

In its pure form, namely the shade of spring grass, green is still a rarity. Basically, its diverse variations are found: gray-green and marsh.

In Asian countries, South America and the Middle East, dark eyes predominate, mostly .

If we talk about the distribution and predominance of individual shades of the iris in Russia, the situation is as follows: 6.37% of the population has dark eye color, 50.17% of the population have eyes of a transitional type, for example, hazel-green, and representatives of light eyes - 43.46%. All shades of green belong to them.

Eye color is a characteristic determined by the pigmentation of the iris. The iris consists of an anterior mesodermal layer and a posterior ectodermal layer. The anterior layer consists of the outer border section and the stroma.

In physiognomy, there is an unwritten rule, to begin the study of a person with the eyes, or rather with their color. The color of a person's eyes can tell a lot.

It is believed that the eyes are the most informative source of information about any person. Eye color can tell a lot about your character.

Eye(lat. oculus) - a sensory organ (an organ of the visual system) of humans and animals, which has the ability to perceive electromagnetic radiation in the light wavelength range and providing the function of vision.

The part of the eye that judges eye color is called the iris. The color of the eye depends on the amount of melanin pigment in the posterior layers of the iris. The iris controls how light rays enter the eye under varying lighting conditions, much like the diaphragm in a camera. The round hole in the center of the iris is called the pupil. The structure of the iris includes microscopic muscles that constrict and expand the pupil. Iris and defines human eye color.

What determines the color of a person's eyes

The iris is practically impervious to light. Depending on the content of melanin pigment in the cells of the iris and the nature of its distribution, the iris can have a different color, from very light blue to almost black. Very rarely, the cells of the iris do not contain pigment (this occurs with congenital pathology - albinism), due to the translucence in the blood vessels, the eyes in this case are red. Albinos are photophobic because their iris does not protect their eyes from excessive light. In light-eyed people, the content of melanin pigment in the cells of the iris of the eyes is small, in dark-eyed people, on the contrary, there is a lot of this pigment. The overall pattern and shade of the iris is very individual, however human eye color determined by heredity.

The color of the iris is determined by the number of melanocytes in the stroma and is an inherited trait. Brown iris is dominantly inherited, and blue is recessive.

All vessels of the iris have a connective tissue cover. The raised details of the lacy pattern of the iris are called trabeculae, and the depressions between them are called lacunae (or crypts). The color of the iris is individual: from blue, gray, yellowish green in blondes to dark brown and almost black in brunettes.

Differences in eye color are explained by the different number of multi-branch melanoblast pigment cells in the stroma of the iris. In dark-skinned people, the number of these cells is so large that the surface of the iris does not look like lace, but like a densely woven carpet. Such an iris is characteristic of the inhabitants of the southern and extreme northern latitudes as a factor of protection from blinding light flux.

Most newborn babies have a light blue iris due to poor pigmentation. By 3-6 months, the number of melanocytes increases and the iris darkens. In albinos, the iris is pink because it lacks melanosomes. Sometimes the irises of both eyes differ in color, which is called heterochromia. Melanocytes of the iris can cause the development of melanomas.

The peoples living in the northern regions are more likely to have light eye color, gray-green and light brown eye shades predominate in the middle lane, and residents of the south are usually dark-eyed. However, this is not always the case: the indigenous inhabitants of the far north (Eskimos, Chukchi, Nenets) have dark eyes, as well as hair, and their skin has a swarthy tint. Due to these features, they are more adapted to life in conditions of extremely high illumination and excessive reflection of light from the shiny surface of ice and snow.

Eye color and its meaning

In the people, the eyes of a person are called the mirror of the soul. Despite the existence of many legends and beliefs regarding the characteristics of people with different eye colors, in practice these patterns are often not confirmed. For example, characteristics such as visual acuity or intellectual ability have nothing to do with eye color.

Aristotle believed that people with brown and dark green eyes would be choleric, those with dark gray eyes would be melancholic, and those with blue eyes would be phlegmatic. It is now believed that people with dark eyes have a stronger immune system, are distinguished by perseverance and endurance, however, they are often overly irritable and have a rather “explosive” temperament. People with gray eyes are determined and persistent in achieving goals; blue-eyed people endure adversity; brown-eyed - are distinguished by isolation, and people with green eyes are characterized by constancy, concentration and determination.

A widely known historical fact is the assertion that blue eyes are a hallmark of representatives of the true Nordic race (Aryans). With the light hand of the reactionary German theorist G. Müller, the expression "a healthy German with brown eyes is unthinkable, and Germans with brown and black eyes are either hopelessly ill or not Germans at all." In the middle lane, dark brown or black is considered the “evil eye”, while in the East everything is exactly the opposite: it is believed that only light-eyed people are capable of “jinxing”.

Eyes of different colors

In very rare cases, the color of the eyes of one person can be different, this condition is called heterochromia. The right and left eyes may differ in color completely - this is the so-called complete heterochromia, but if part of the iris of one eye has a different color - sectoral heterochromia occurs. Heterochromia of the iris can be congenital or acquired. This phenomenon is repeatedly mentioned in the literature, and one of the most famous characters with multi-colored eyes is Bulgakov's Woland, whose "right eye was black and dead, and the left green and crazy."

As a result of joint marriages between people with gray and brown eyes, people appeared whose eyes were of other shades: green, gray-brown, gray-green, green-brown and even gray-green-brown ... Gradually, people forgot about the ice age - humanity adapted to the new conditions of existence. But, nevertheless, if you look closely at the modern owners of both gray and brown eyes, then one can easily notice the difference in the behavior of these two types of people: the first seek to act, the second - to receive. That is, the first seek to free themselves from excess energy, the second, on the contrary, seek to repay their own lack at the expense of the forces of other people. The first we will call "potential donors", the second - "potential vampires". People with eyes of a mixed type (green, gray-brown, etc.) have a complex energy orientation: they cannot be attributed to either donors or vampires. They show the qualities of one or the other, depending on whether “ what foot will they get up from?

How to determine the character human on bloomeye?

It turns out that just by looking a person in the eye, you can learn a lot about him.

There are many beliefs that eye color has a direct impact on a person's fate. By carefully looking into the eyes of the interlocutor, you can understand a lot about him, determine his character and essence, as well as the attitude towards him and other people. Also, the color of the eyes will help you understand yourself and understand why at some point in your life you make this or that decision.

Eye color: blue, gray-blue, blue, gray.

People with cold shades of eyes are self-confident, which will not allow them to doubt their words and the actions of others. They rarely unquestioningly listen to the advice of strangers and people who are not particularly close to them, they fulfill their dreams the way they want, and not as advised by others. Fate often throws up trials in which it is not easy for the owners of this eye color, and they need to earn every gift of fate.

But on the love front, they have no equal, they can, without thinking, choose this or that person, turning off their heads and being guided only by their desires. However, having decided to bind yourself with sacred bonds, you need to be 100% sure that you will love this person all your life, otherwise your union will fall apart in the early stages without love. The only thing that can repel these people is their excessive activity. And if at the first meetings she lights up, then in the future she can develop into constant fatigue from communication.

Having chosen people with cold shades of eyes as companions, you should not try to remake and calm them, it will be much easier to captivate them with something new and interesting.

Eye color: gray-brown-green.

The owners of this range of shades in the eyes are called Central Russian. Such an unusual combination pushes their carriers to rash and inconsistent actions in certain situations. The nature of these people is very unpredictable, they can be both soft and gentle, and hard and sharp. That is why others are wary of them, because they do not know what reaction to expect. However, despite this, they are very attentive to the people around them and are always ready to help.

In love, people with such an unusual combination of shades are impregnable. You will have to prove to them a sincere attitude and love more than once, but if they want to conquer you, it will not be easy for you to resist the onslaught and hard pressure.

Eye color: dark blue

Such eyes, in the coloring of which the energy of Venus and the Moon participated, belong to people who are persistent, but sentimental. Their mood is unpredictably changeable due to the ability to easily succumb to their whims. A person with dark blue eyes remembers personal grievances for a long time, even if the offender has long been forgiven in his soul.

Eye color: emerald.

People with this shade of eyes must always compromise with themselves, they just need harmony. Very cheerful, unshakable in their decisions. If people with emerald eyes are completely confident in the correctness of their choice, they are happy and not afraid to show it to others.

One of the positive qualities of these people is that they do not demand more from others than they can offer themselves. For beloved and dear people, they will gnaw the earth, but will not let them need something. In a relationship, you give yourself without a trace and never complain about it, but if you don’t fit or just don’t like this person, you better get around him.

Eye color: brown.

People with brown eyes tend to win over an opponent from the first meeting. It often helps them in finding a job or at school. Falling under the spell of brown-eyed people, you run the risk of quarreling with others for the whim of this person. The only disadvantage of these eyes is that you cannot go out into the world dressed or unkempt, you always need to emphasize the activity of your eyes.

People with brown eyes require increased attention and activity from their loved ones, constant gifts and proofs of love. But at the same time, brown-eyed people may refuse to receive expensive gifts, so that they simply do not need them.

Eye color: Light brown

Dreamy, shy, solitude-loving people were awarded with such eyes. Someone considers them pragmatic, but this makes them very diligent and hardworking. They will never let you down.

A person with light brown eyes is an individualist, he always strives to do everything himself, therefore he achieves great success in life. He does not tolerate pressure on himself. In astrology, this eye color is considered to be caused by a mixture of the energies of the planets Venus and the Sun, which makes its owner an impressionable person who deeply experiences personal grievances.

Eye Color: Gray

Such eyes are in people who are smart and decisive, who do not hide their heads in the sand when they meet problems, but solve them as quickly as possible. However, quite often they pass in situations that the mind cannot solve. Gray-eyed people are sensitive and inquisitive, they are interested in everything. The owners of gray eyes are lucky in any field - both in love and in their careers.

Eye color: yellow (amber)

Such a tiger color is quite rare for people, so its owners are endowed with special talents. They can even read other people's minds. The owners of yellow amber eyes have an artistic nature. Such people always think creatively, and communication with them brings a lot of pleasure. Of course, if you don't have anything bad in mind...

Eye Color: Black

Such eyes belong to people with strong energy, great initiative, high vitality and restless disposition. Passion and love is inherent in a person with black eyes. He will stop at nothing, wanting to achieve the object of adoration. Often in life, this character trait not only helps to win, but also upsets the consequences of haste in decisions.

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Eye Facts

Brown eyes are actually blue under brown pigment. There is even a laser procedure that can turn brown eyes blue permanently.

Pupils of the eyes expand by 45 percent when we look at someone we love.

The cornea of the human eye is so similar to the cornea of a shark that the latter is used as a substitute for eye surgery.

The fact is that you can't sneeze with your eyes open.

Our eyes can see about 500 shades of gray.

Each eye contains 107 million cells, and they are all sensitive to light.

Every 12th male is colorblind.

human eye sees only three colors: red, blue and green. The rest are a combination of these colors.

Our eyes are about 2.5cm in diameter and they weigh about 8 grams.

The structure of the human eye

Of all the muscles in our body, the muscles that control our eyes are the most active.

Your eyes will always remain the same size as at birth and the ears and nose never stop growing.

Only 1/6 part eyeball visible.

On average over a lifetime, we we see about 24 million different images.

Your fingerprints have 40 unique characteristics while your iris has 256. This is the reason why retinal scanning is used for security purposes. People say “before the blink of an eye” because it is the fastest muscle in the body. Blinking lasts about 100 - 150 milliseconds, and you can blink 5 times per second.

The eyes process about 36,000 bits of information every hour.

Our eyes focus on about 50 things per second.

Our eyes blink an average of 17 times a minute, 14,280 times a day, and 5.2 million times a year.

The ideal duration of eye contact with the person you first met is 4 seconds. This is necessary to determine what color of eyes he has.

It's not the eyes that see - it's a fact!

We we see with the brain, not with the eyes. In many cases, blurry or poor eyesight caused not by the eyes, but by problems with the visual cortex of the brain.

The images that are sent to our brain are actually upside down.

Eyes use about 65 percent of brain resources. This is more than any other part of the body.

Eyes began to develop about 550 million years ago. The simplest eye was particles of photoreceptor proteins in single-celled animals.

Each eyelash lives about 5 months.

The Maya considered strabismus attractive and tried to provide their children with strabismus.

Octopus eyes do not have a blind spot, they evolved separately from other vertebrates.

Near 10,000 years ago everyone had brown eyes until a man living in the Black Sea area developed a genetic mutation that led to blue eyes.

The writhing particles that appear in your eyes are called " floaters". These are shadows cast on the retina by tiny filaments of protein within the eye.

If you pour cold water into a person's ear, the eyes will move towards the opposite ear. If you pour warm water into an ear, the eyes will move to the same ear. This test, called the "calorie test," is used to determine brain damage.

Facts about eye diseases

If a in the flash photo you have only one eye red, there is a possibility that you have an eye tumor (if both eyes look in the same direction into the camera). Fortunately, the cure rate is 95 percent.

Schizophrenia can be diagnosed with up to 98.3 percent accuracy using a simple eye movement test.

Humans and dogs are the only ones who look for visual cues in the eyes of others, and dogs only do this by interacting with humans.

Approximately 2 percent of women have a rare genetic mutation due to which they have an additional retinal cone. This allows them to see 100 million colors.

Johnny Depp is blind in his left eye and nearsighted in his right.

A case of Siamese twins from Canada, who have a common thalamus, has been recorded. Because of this, they could hear each other and see through each other's eyes.

Facts about vision and eyes

The human eye can make smooth (not jerky) movements only if it is following a moving object.

Story cyclops appeared thanks to the peoples of the Mediterranean islands, who discovered the remains of extinct pygmy elephants. The skulls of elephants were twice the size of those of humans, and the central nasal cavity was often mistaken for the eye socket.

Astronauts can't cry in space due to gravity. Tears collect in small balls and begin to sting in the eyes.

Pirates used blindfold to quickly adapt vision to the environment above and below deck. Thus, one of their eyes got used to the bright light, and the other to the dim.

The flashes of light you see in your eyes when you rub them are called "phosphene".

There are facts that there are colors that are too complex for the human eye, and they are called " impossible«.

If you place two halves of ping-pong balls over your eyes and look at a red light while listening to a radio set to jamming, you will get bright and complex hallucinations. This method is called ganzfeld procedure.

We see certain colors as this is the only spectrum of light that passes through water - the area where our eyes originated. There was no evolutionary reason on earth to see a wider spectrum.

Apollo astronauts have reported seeing flashes and streaks of light when they close their eyes. The fact was later established that this was caused by cosmic radiation irradiating their retinas outside the Earth's magnetosphere.

Sometimes people who suffer from aphakia - the absence of the lens, report that see the ultraviolet spectrum of light.

Bees have hairs in their eyes. They help determine wind direction and flight speed.

About 65-85 percent of white cats with blue eyes are deaf.

One of the firefighters of the Chernobyl disaster had brown eyes turned blue due to the strong radiation received. He died two weeks later from radiation poisoning.

To keep an eye on nocturnal predators, many animal species (ducks, dolphins, iguanas) sleep with one eye open. One half of their brain is asleep while the other is awake.

Almost 100 percent of people over 60 are diagnosed with herpes eye upon opening.

Brown-eyed people are more trustworthy than blue-eyed people., scientists have established such facts.

However, as researchers have found Charles University in Prague, it is not the color of the eyes that inspires confidence. When a group of volunteers were shown photographs of the same men whose eye color had been artificially altered in different photographs, they were considered more reliable.

This suggests that trust is not the color of the eyes itself, but the facial features inherent in brown-eyed people.

For example, brown-eyed men, as a rule, have a rounder face with a wide chin, a wider mouth with raised corners, large eyes and closer eyebrows. All these qualities indicate masculinity and therefore inspire confidence.

In contrast, blue-eyed representatives of the stronger sex often have facial features that are perceived as a sign of cunning and volatility. These are, as a rule, small eyes and a narrow mouth with lowered corners.

Brown-eyed women are also considered more reliable than blue-eyed women, but the difference is not as clear as men's.

One of the first features that attract us to a person is his eyes, and especially the color of his eyes. Did you know which eye color is considered the rarest, or why eyes can be red? Here are a few interesting facts about the color of a person's eyes.

The fact that brown eyes are the most common eye color

Brown eye color is the most common eye color in the world, except for the Baltic countries. It is the result of the presence of a large amount of melanin in the iris, due to which a lot of light is absorbed. People with very high concentrations of melanin may look like they have black eyes.

Blue eyes are a genetic mutation

All people with blue eyes have one common ancestor. Scientists have traced the genetic mutation that led to the appearance of blue eyes and established the fact that it appeared 6000 - 10000 years ago. Until that time, there were no blue-eyed people.

Most people with blue eyes are in the Baltic countries and the Nordic countries. In Estonia, 99 percent of people have blue eyes.

Yellow eyes - wolf eyes

Yellow or amber eyes have a golden, tan, or copper tint and are the result of the presence of the lipochrome pigment, which is also found in green eyes. Yellow eye color is also called "wolf eyes", as this rare eye color common among animals such as wolves, domestic cats, owls, eagles, pigeons and fish.

The fact that green eyes are the rarest

Only 1-2% of people in the world have green eyes. Pure green eye color (which should not be confused with marsh color) is a very rare eye color, as it is often eradicated in the family by the dominant brown eye gene. In Iceland and Holland, green eyes are most common in women.

The fact that one person can have eyes of different colors

Heterochromia is a phenomenon in which one person can have a different eye color.. It is caused by an excess or deficiency of melanin and is the result of a genetic mutation, disease, or injury.

With complete heterochromia, a person has two different colors of the iris, for example, one eye is brown, the other is blue. With partial heterochromia, the iris is divided into two parts.

Red eyes

Red eyes often found in albinos. Since they have almost no melanin, their iris is transparent but looks red because of the blood vessels.

Fact about eye color change

Eye color can change over the course of a person's life. African Americans, Hispanics, and Asians are usually born with dark eyes that rarely change. Most Caucasian children are born with light-colored eyes: blue or blue. But over time, as the child develops, the cells of the iris of the eye begin to produce more melanin pigment. Usually, baby's eye color changes by one year, but it can be established later by the 3rd, and less often by 10-12 years.

What eye color will the child have?

The formation of eye color is a complex process that is genetically determined. There are many combinations of genes that we get from both parents that determine the eye color you will have. Here is the most simplified scheme that will help you find out the color of the eyes of the unborn child.