About sight

Brown eyes really blue under the brown pigment. There is even a laser procedure which allows you to turn brown eyes blue forever.

The pupils of the eyes dilate to 45%, when we look at the one we love.

The cornea is the eye of man is so similar to the cornea shark that the latter is used as a substitute for the operations in the eyes.

You can not sneeze with his eyes open.

Our eyes can distinguish 500 shades of gray.

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

Every 12th males - colorblind.

The human eye is capable of perceiving only three regions of the spectrum: red, blue and green. Other colors are a combination of these colors.

Diameter our eye is about 2, 5 cm, and they weigh approximately 8 grams.

Of all the muscles of the body, the muscles that control eye - the most active.





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

Only 1/6 of the eyeball is visible.

In an average lifetime, we see about 24 million different images.

Your fingerprints are unique characteristics of 40, while the iris - 256. For this reason, scanning the retina used for security purposes.

People say, "do not have time to blink an eye," as it is the fastest muscle in the body. Blinking lasts for about 100 - 150 milliseconds, and you can blink five times per second.

The eyes convey to the brain enormous amount of information every hour. The capacity of this channel is comparable to channels of Internet providers of a large city.

Our eyes are focused about 50 things in a moment.

The images are sent to our brain is actually reversed.

Eyes are charged the brain work more than any other parts of the body.



Each eyelash lives for about 5 months.

Maya believed squint attractive and tried to make sure that their children were cross-eyed.

About 10 000 years ago, all people had brown eyes until a man who lived in the area of ​​the Black Sea, there was no genetic mutation that led to the emergence of blue eyes.

If flash photography you have only one eye is red, it is likely that you have a tumor of the eyes (in case both eyes facing the same direction in the camera). Fortunately, the cure rate is 95%.

Schizophrenia can be determined with an accuracy of 98, 3% by a conventional test for eye movement.

People and dogs - the only ones who are looking for visual clues in the eyes of others, and the dogs do it just communicating with people.

Approximately 2% of women have a rare genetic mutation that makes them observed more cones of the retina. This allows them to see 100 million colors.

Johnny Depp blind in his left eye and on the right is short-sighted.

Documented cases of conjoined twins from Canada, who shared the thalamus. Because of this they were able to hear each other's thoughts and see through the eyes of each other.

The human eye can make smooth (not broken) traffic only if watching a moving object.

History cyclops appeared thanks to the peoples of the Mediterranean islands that have found remains of extinct dwarf elephants. Skull elephants was twice the human skull and the central nasal cavity is often mistaken for the eye socket.

The astronauts can not cry in space due to gravity. Tears gather in small balls and start to pinch the eye

Pirates used a blindfold to quickly adapt to the environment of sight above the deck and below. Thus, one eye at them and get used to the bright light, and the other - to the dim.

There are too "complex" to the human eye color, they are called "impossible colors».

We see certain colors, as this is the only range of light that passes through the water - an area where there were our eyes. There was no evolutionary reasons on earth to see a wider range.

His eyes began to develop about 550 million years ago. A simple eye photoreceptor protein particles were unicellular animals.
Sometimes people suffering from aphakia - absence of the lens, to report what they see ultraviolet light spectrum.

Bees in the eyes have hairs. They help to determine the direction and speed of the wind.

Astronauts Apollo missions told about what they saw flashes and streaks of light that turned a blind eye. Later it turned out that it was caused by cosmic radiation, the irradiated retina outside of Earth's magnetosphere.

We "see" the brain, not the eyes. Blur and poor image - a disease of the eye, as the sensor receives the image distortion.

Then its distortion and "dead zones" will impose the brain.

Approximately 65-85% of white cats with blue eyes - deaf.

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