One of the most important organs in the human body is the eyes. In addition, with the help of their eyes, people can express their emotions and feelings, transmit information to the world around them. Unfortunately, this important organ is very sensitive to the negative influence of environmental factors. Next, we suggest reading more interesting and exciting facts about the eyes.
1. In fact, there are hidden brown eyes under the blue pigment. There is even a special procedure that allows you to make blue eyes based on brown ones forever.
2. The pupils of the eyes dilate by 45% when looking at an object that a person likes.
3. The corneas of human eyes are similar to the cornea of a shark.
4. With open eyes, people cannot sneeze.
5. About 500 shades of gray, human eye can distinguish.
6. 107 cells each human eye contains.
7. Each of the twelve males is color blind.
8. Only three parts of the spectrum can be perceived by human eyes: green, blue and red.
9. About 2.5 cm is the diameter of our eyes.
10. The eyes weigh about 8 grams.
11. The most active muscles are the eyes.
12. The size of the eyes always remains the same size as at birth.
13. Only 1/6 of the eyeball is visible.
14. About 24 million different images on average sees a person in his life.
15. The iris has about 256 unique characteristics.
16. For safety reasons, iris scanning is most commonly used.
17. A person can blink 5 times per second.
18. Blinking of eyes continues for about 100 milliseconds.
19. Every hour a huge amount of information is transmitted to the brain by the eyes.
20. Our eyes focus on about 50 things per second.
21. In fact, the inverted image is the image that is sent to our brain.
22. It is the eyes that load the brain more than any other part of the body.
23. Each cilium lives for about 5 months.
24. Ancient Maya considered an attractive squint.
25. All humans had brown eyes about 10,000 years ago.
26. There is a possibility of eye swelling if only one eye appears red on film during photography.
27. Schizophrenia can be determined using a routine eye movement test.
28. Only dogs and humans look for visual cues in the eyes.
29. A rare genetic mutation of the eyes occurs in 2% of women.
30. Johnny Depp is blind in the left eye.
31. Common thalamus recorded in Siamese twins from Canada.
32. The human eye can make smooth movements.
33. Thanks to the peoples of the Mediterranean islands, the story of the Cyclops appeared.
34. Because of gravity in space, astronauts cannot cry.
35. The pirates used a blindfold to quickly adapt their vision to the environment above and below deck.
36. There are "impossible colors" that are difficult for the human eye.
37. Eyes began to develop about 550 million years ago.
38. In unicellular animals, photoreceptor protein particles were the simplest type of eyes.
39. Bees have hairs in their eyes.
40. Bees' eyes help to determine the flight speed and wind direction.
41. An eye disease is considered the appearance of poor-quality images and blurring.
42. About 80% of cats that have blue eyes are deaf.
43. Faster than any lens is the lens in the human eye.
44. Reading glasses are needed for every person at a certain age.
45. Between 43 and 50 years, 99% of people need glasses.
46. For correct focusing, objects must be kept at a certain distance in front of the eyes of people over 45 years old.
47. At the age of 7, a person's eyes are fully formed.
48. An average person blinks about 15 thousand times a day.
49. Blinking helps to remove any debris from the surface of the eyes.
50. Tears have an antibacterial effect on the surface of the eyes.
51. The blinking function can be compared to the windshield wipers on a car.
52. Cataracts develop with age in all people.
53. Between 70 and 80 years of age, a common cataract develops.
54. Diabetes is often diagnosed as one of the first people on an eye exam.
55. The eyes perform the function of collecting information that is processed by the brain.
56. The eye can adapt to blind spots.
57. 20/20 visual acuity is far from the limit of the human eye.
58. When the eyes begin to dry, they release water.
59. Tears are made of three different components: fat, mucus and water.
60. Smoking has a negative effect on the condition of the eyes.
61. For motorists, experts recommend using glasses with brown lenses, which reflect light better.
62. The lacrimal apparatus performs trophic, moisturizing and bactericidal function.
63. Ellipsoid is the normal shape of the eyes in most people.
64. Eyes are gray-blue in all newborns.
65. An ordinary lens consists of a number of layers.
66. Individual intolerance to the glare of light may depend on the optical density of macular pigments.
67. Very low sensitivity of the eye sticks in bright light.
68. In honor of the chemist John Dalton was named the disease of congenital color defect - color blindness.
69. Congenital color blindness is incurable.
70. All children are born with farsightedness.
71. The irreversible loss of central vision is age-related macular degeneration.
72. One of the most complex sense organs is the human eye.
73. The cornea is the part of the eye that helps focus on certain things.
74. From the place where a person lives, his eye color may depend.
75. The iris is unique in every person.
76. The human eye contains two types of cells.
77. About 95% of all animals have eyes.
78. Contact lenses and glasses are worn to correct visual defects.
79. Every 8 seconds is the frequency of blinking.
80. The human eye has about 3 cm in diameter.
81. The lacrimal glands begin to secrete tears only in the second month of life.
82. The human eye can distinguish thousands of shades of colors.
83. About 150 eyelashes in an adult.
84. People with blue eyes are more prone to blindness in old age.
85. People with myopia have big eyes.
86. The body lacks moisture if circles appear under the eyes.
87. If bags appear under the eyes, it means that the person has kidney problems.
88. Leonardo da Vinci created contact lenses.
89. Dogs and cats do not distinguish between red.
90. Green is the rarest eye color in humans.
91. Eye color depends on the pigment of the iris.
92. Only albinos have red eyes.
93. Bulls and cows do not distinguish between red.
94. Among insects, the dragonfly has the best vision.
95.160 ° to 210 ° is the human viewing angle.
96. Chameleon's eye movements are absolutely independent from each other.
97. About 24 millimeters is the diameter of an adult's eyeball.
98. Whale eyes weigh about one kilogram.
99. Women blink twice more often than men.
100. On average, women cry 47 times a year, while men only 7.
