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Interesting Facts about Eyes you need to know on World Sight Day
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Interesting Facts about Eyes you need to know on World Sight Day

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World Sight Day is celebrated every year on the second Thursday of October. This year it falls on October 8, 2020. Our eyes are one of the most fascinating and complex organs of the body. Here are some interesting and fun facts about most valuable eyes.

120 Interesting and Fun Facts about Eyes

  • Eyes started to form 550 million years back. The least complex eyes were patches of photoreceptor protein in single-celled animals.
  • Your eyes begin to build fourteen days after you are conceived.
  • The whole length of all the eyelashes shed by a human in their life is more than 98 feet with each eyelash having a life expectancy of around 5 months.
  • To protect our eyes they are situated in a hollowed eye socket, while eyebrows prevent sweat from dripping into your eyes and eyelashes keep dirt out of your eyes.
  • Your eyeballs remain a similar size from birth to death, while your nose and ears keep on developing.
  • An eye is made out of over 2 million working parts.
  • Just 1/6 of the human eyeball is uncovered.
  • Corneas are the only tissues that don’t have blood.
  • The human eye weighs about simply under an ounce and is about an inch across.
  • An eye can’t be transplanted. More than 1 million nerve fibers interface each eye to the brain and as of now, we’re not ready to reproduce those connections.
  • 80% of our memories are dictated by what we see.
  • Eyes recuperate rapidly. With appropriate consideration, it takes just around 48 hours to repair a minor corneal scratch.
  • There are around 39 million individuals that are visually impaired around the world.
  • 80% of vision issues worldwide are avoidable or even treatable.
  • Humans and dogs are the only species known to look for visual signals from another person’s eyes, and dogs possibly do this while communicating with people.
  • A fingerprint has 40 special characteristics, however an iris (the colored part of your eye) has 256, a reason retina scans are progressively being used for security purposes.
  • Individuals who are visually impaired can see their fantasies if they weren’t born blind.
  • “Red eye” happens in photographs since light from the flash bounces off the rear of the eye. The choroid is situated behind the retina and is wealthy in veins, which cause it to seem red on film.
  • Eyes are the second most complex organ after the brain.
  • Your eyes focus on 50 different objects each second.
  • Your eyes can recognize around 10 million different colors.
  • It is difficult to sneeze with your eyes open.
  • Ommatophobia is a fear of the eyes.
  • 80% of all learning gets through the eyes.
  • Your eyes can detect a candle flame 1.7 miles away.
  • Heterochromia is the medical term for having two distinctive colored eyes.
  • Just 1/6 of your eyeball is visible.
  • Your eyes are included rods and cones. Rods permit you to see shapes, while cones are responsible for detecting and interpreting colors.
  • The average individual blinks 12 times each minute.
  • The shark cornea is almost indistinguishable from the human cornea, and has even been used in human eye surgery!
  • Your eye is the quickest contracting muscle in the body, contracting in under 1/100th of a second. Henceforth, the phrase: “In the blink of an eye.”
  • The optic nerve contains more than 1 million nerve cells.
  • Your eyes are around 1 inch across and weigh about 0.25 ounce.
  • The human eye blinks an average of 4,200,000 times each year. This implies on the off chance that you were given a nickel for each time you blinked you would make $210,000 every year.
  • Every individual eye contains 107 million cells and all are light sensitive.
  • The world’s most common eye color is brown.
  • Brown eyes are blue eyes underneath. Subsequently, an individual can get surgery to make their brown eyes blue.
  • “Don’t It Make My Brown Eyes Blue” is a song recorded by American country music artist Crystal Gayle?
  • The night vision of tigers is six times better than that of people.
  • Pirates wore earrings since they trusted it improved their vision.
  • In an exceptionally fundamental form, eyes are thought to have first evolved in animals around 550 million years prior!
  • You really observe with your brain, not your eyes. Our eyes work like a camera, capturing light and sending information back to the brain.
  • You see things upside down – it is your brain that turns the picture the correct far up.
  • In a single second, it’s conceivable to blink five times.
  • You are probably going to blink more often when you are talking.
  • A blink ordinarily lasts 100-150 milliseconds.
  • The human eye can work at 100% at some random second, without expecting to rest.
  • On the off chance that the human eye was a digital camera, it would have 576 megapixels.
  • We have two eyeballs to give us depth perception – contrasting two pictures permits us to decide the distance away an item is from us.
  • The first blue-eyed person is said to have lived 6,000-10,000 years prior.
  • Regardless of whether nobody in the previous few generations of your family had blue or green eyes, these passive qualities can at present show up in later generations.
  • Blue-eyed people share a common precursor blue-eyed person in the world.
  • During a sight test, health conditions including diabetes and high blood pressure can be detected.
  • Diabetes is the main cause of blindness in adults in the UK.
  • Research has discovered that a tie tied also firmly can build the risk of glaucoma in men.
  • As opposed to urban myth, contact lenses can’t become ‘lost’ behind your eye because of the structure of your eyeball.
  • All infants are color blind at birth.
  • Colour blindness is more common in males.
  • An infant will cry, however not produce any tears. Babies don’t create tears until they are around six weeks old.
  • Infants can see objects around 8-15 inches away from most clearly.
  • The older we get, the fewer tears we produce.
  • Blind individuals can consider their dreams as long as they weren’t born blind.
  • The only cells that survive from the time you are born till’ the death are in your eyes.
  • On the off chance that you arranged all the eyelashes shed during one human life, they would measure 98 feet in length.
  • We have all have inconspicuous, innocuous microscopic creatures living in our eyelashes.
  • The space between your eyebrows is known as the Glabella.
  • One of the most widely recognized cosmetic injuries is poking the eyeball with a mascara wand.
  • Our eyes close automatically to protect us from perceived risks.
  • About half of the human brain is dedicated to the vision and seeing.
  • Individuals for the most part read 25% more slow on screen than on paper.
  • At the point when you read or stare at a PC, you blink less frequently resulting in tired eyes.
  • 94% of visible premature-aging around the eyes is caused by UV damage.
  • Reading in dim lighting doesn’t harm your eyes, however, it might tire them out.
  • Dogs can’t differentiate red and green.
  • An ostriches eye is bigger than its brain.
  • A shark’s cornea is used in human eye surgery, as it is the most like the human cornea.
  • Scorpions can have upwards of 12 eyes and the box jellyfish has 24!
  • Camel’s eyelashes can match 10cm long to protect its eyelashes from blowing sand and garbage in the desert.
  • Just as super long eyelashes, camels likewise have three eyelids to protect their eyes from sand.
  • Bees have 5 eyes.
  • The eyes of a chameleon are independent of one another, permitting it to glance in two distinct directions immediately.
  • Geckos can see colors around 350 times better than a human, even in dim lighting.
  • The cornea is the only tissue in the human body that doesn’t contain veins.
  • Dolphins lay down with one eye open.
  • The biggest eye on earth has a place with the Colossal Squid, and measures around 27cm across.
  • Snakes have two sets of eyes – one set used to see, and the other to recognize heat and movement.
  • A dragonfly has 30,000 lenses in its eyes, helping them with motion detection and making them hard for predators to kill.
  • The four-eyed fish can see both above and beneath water simultaneously.
  • Snakes have no eyelids, only a thin membrane covering the eye.
  • Goats have rectangular pupils to give them a wide field of vision.
  • Owls are the only bird that can see the color blue.
  • Most hamsters just blink each eye at a time.
  • Guinea pigs are born with their eyes open!
  • A worm has no eyes by any means.
  • An owl can see a moving mouse above 150 feet away.
  • A scallop has an average of 100 eyes around the edge of its shell to recognize predators.
  • Owls can’t move their eyeballs – which has prompted the distinctive way they turn their heads almost all right around.
  • The muscles in the eye are 100 times stronger than they should be to play out their function.
  • Eyes can deal with 36,000 pieces of data in a single hour.
  • In an average life, your eyes will see 24 million distinct pictures.
  • The human eye just observes three colors: red, blue, and green. All different colors are a combination of these.
  • The human eye can see 500 shades of grey.
  • The cornea is the transparent covering of the iris and pupil.
  • Our eyes have small blind spots where the optic nerve goes through the retina, and our brains use the data from the other eye to fill this gap.
  • Smoking diminishes your night vision.
  • The eyeball weighs around 28 grams.
  • The eye muscles are the most active in the human body.
  • Eye transplants are as of now impossible because of the sensitivity of the optic nerve.
  • Everybody has one eye that is marginally stronger than the other.
  • Simply behind our pupil is the lens – which is round, flat, and thicker toward the middle.
  • When working at a PC, you ought to follow the 20-20-20 rule – take a gander at something twenty feet from your PC every twenty minutes for twenty seconds.
  • Astigmatism refers to a curvature of the cornea or lens and toric lenses are recommended to help the person’s vision.
  • At the point when your eyes are watering, it might be an indication of dry-eye, and your eyes are producing more moisture to compensate.
  • Oily fish, vitamin A, and vitamin C would all be able to assist with saving great visual perception.
  • Even though the function of tears is to keep eyes clean, researchers don’t comprehend why we cry when we are disturbed.
  • Albinism influences melanin creation; maybe resulting in additional sensitivity to light and a red-eyed appearance.
  • Your nose gets runny when you cry as the tears drain into your nasal passages.
  • The Mayans believe that cross-eyes are attractive thus they would put forth attempts to guarantee their children became cross-eyed.
  • Pirates believed that wearing gold earrings improved their eyesight.
  • The phrase ‘it’s all fun and games until someone loses an eye’ originates from Ancient Rome, as the only guideline for their bloody wrestling matches was ‘no eye-gouging’.

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Matthew Gregor decided that he wanted to become a writer at the age of 16, when his high school football team won a big game. He wrote a poem about this, and two days later the poem was published in the local newspaper. When he began his professional writing career, Matthew attempted to write books. Matthew’s writing direction changed and he writes news and articles. He is now onboard with Time Bulletin as a free lance writer.