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40 things you did not know about the eyes 👁

We are used to cruelly pain in our eyes, sitting in front of a screen. Few people know that it is actually a single organ, which even science does not know all the secrets.

We invite all those who work in an office to think more often about their vision and to perform exercises to preserve their eyes.

-The pupils dilate by almost half when we look at someone we love.
-The cornea of ​​the human eye is so similar to that of the shark that the latter is used as a substitute for eye surgery.
-Each eye has 107 million cells, and they are all sensitive to light.
-One in 12 is color-blind.
-The human eye is able to perceive only three types of spectra: red, blue and yellow. The other colors are combinations of these three.
-The diameter of our eyes is 2.5 cm, and they weigh about 8 grams.
-Only one sixth of the eyeball is visible.
-On average in a lifetime, we see about 24 million images.
-Your fingerprints have 40 unique features, while the iris has 256. This is precisely why retinal scanning is used for security purposes.
-When we blink, we use the fastest muscle in the human body. A blink lasts between 100 and 150 milliseconds and you can blink five times a second.
-The eyes transmit an enormous amount of information to the brain at every moment. The throughput of this channel is comparable to that of the Internet providers of a large city.
-In reality, the brown eyes are blue under the brown pigment. There is even a laser process that can permanently transform brown eyes into blue eyes.
-Our eyes look at about 50 things per second.
-The images we send to our brains are actually reversed.
-The eyes give the brain more work than any other organ.
-Each lash has a lifespan of about five months.
-The Mayans thought that strabismus was something attractive and worked to bring their pupils closer together so that their children would stoop.
-About 10,000 years ago, everyone had brown eyes, until a genetic mutation affected individuals living on the edge of the Black Sea, and made blue eyes appear.
-If you have only one red eye on the flash photos, it is possible that you have an inflamed eye (in case both eyes are looking at the camera). Fortunately, the cure rate is 95%.
-Schizophrenia can be determined with an accuracy of 98.3% using a conventional eye movement test.
-Humans and dogs are the only ones who look for clues in the eyes of others, but dogs only do so to communicate with humans.
-About 2% of women are affected by an infrequent genetic mutation, which means they have more cones in the retina. This allows them to see 100 million colors.
-Johnny Depp is blind to the left and myopic eye of the right eye.
-There is one case of Siamese in Canada sharing the same thalamus. Through this they can read each other’s thoughts and see through his eyes.
-The human eye can make a steady and uninterrupted movement only if it follows a moving object.
-The story of the Cyclops originated in the villages of the Mediterranean islands, where remains of extinct dwarf elephants were found. The skulls of elephants doubled human skulls, and the center of the nasal cavity was confused with the eye socket.
-In space, astronauts can not cry because of gravity. Tears gather in small balls and sting the eyes.
-The pirates put a ribbon on one of their eyes so they could quickly adapt their view on and under the deck of the boat. In this way, one of the eyes was accustomed to light and the other to darkness.
-There are colors too difficult for the human eye. They are called “impossible colors”
-We only see certain specific colors, because it is the only spectrum of light that crosses the water, the medium in which our eyes appeared. Evolution on Earth has not justified seeing a wider range.
-The eyes began to grow about 550 million years ago. The simplest eye was formed by the union between fragments of photo-sensitive protein particles in unicellular organisms.
-Individuals who suffer from aphakia (lack of crystalline lens in the eye) sometimes declare that they can see the spectrum of ultraviolet light.

-Bees have hair in their eyes. They help them determine the direction of the wind and the speed of their flight.
-Apollo mission astronauts said they saw lightning and light rays as they closed their eyes. Later, it was discovered that this was due to the cosmic radiation, which radiated in their retinas outside the terrestrial magnetosphere.
-We see with our brain and not with our eyes. A diffuse and poor quality image is a disease of the eye, which records the image distortedly. Then, his alterations and his “dead zones” will be positioned by the brain.
-Between 65 and 85% of blue-eyed white cats are deaf.

 

 

                                                                                                 *Youssra Erraki 

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