Worlds 45 most amazing facts about the eyes

Check out these amazing fun facts about the eyes

facts about the eye
1.  Dogs cannot  distinguish between the colour red and green.

2. We have two eyeballs which is so in order for us to get a good depth perception that simply means: to help us in comparing two images and also allows us to determine how far away an object is from us.

3. The colour of the eye is determined by the amount of melanin in your iris.

4. 20/20 vision simply means that you have normal vision.

5. Your eyes tend to get tired tired when you read or stare at a computer, this happens because you blink less often  when you read or put full concentration and attention on something.

6. Although our nose and ears keep growing throughout our lives, our eyes remain the same size from birth.

7. As a human being, you tend to blink more when you talk.

8. Diabetes is the highest cause of blindness in adults in the UK.

9. People generally read 25 times slower on screen than on paper.

10 All babies are are born color blind.

11. The first human to have possessed a blue-eye is said to have lived 6,000-10,000 years ago.

12. Its practically impossible to sneeze with your eyes open.

13. An eye of an ostrich is bigger than its brain.

14. The human eye can see 500 shades of grey.

15. All things being normal, you blink on an average of 4,200,000 times a year.

16. The cornea is the only tissue in the human body which does not contain blood vessels.

17. The human eye can function at 100% at any given moment, without needing to rest.

18. Smoking actually reduces your ability to see at night.

19. The eye eyelashes have an average lifespan of five months.

20. New born babies do not produce tears until they are around six weeks old.

21. Our eyes are made up of over 200 million working parts.

22. In the right conditions and lighting, humans can see the light of a candle from 14 miles away.

23. The shark cornea is used in human eye surgery as it is the most similar to the human cornea.

24. 80% of vision impairment worldwide is curable.

25. The human eye only sees three colours, red, blue and green. All other colours are combination of these.

26. A camel??s eyelashes can measure up to 10 cm long, to protect its eyelashes from blowing sand and debris in the desert.

27. One of the most common cosmetic injuries is poking the eyeball with a mascara wand.

28. The eye muscles are the most active muscles in the human body.

29. The eyes of a chameleon are independent from each other, allowing it to look in two different directions at once.

30. It??s possible to blink five times in a single second.

31. Your eyes contain around 107 million light sensitive cells.

32. Your eyes contain 7 million cones which help you see colour and detail, as well as 100 million cells called rods which help you to see better in the dark.

33. Geckos can see colours around 350 times better than a human, even in dim lighting.
34. A blink typically lasts 100-150 milliseconds.

35. Blue-eyed people share a common ancestor with every other blue-eyed person in the world.

36. Our eyes close automatically to protect us from perceived dangers.

37. Your eyelashes keep dirt out of your eyes.

38. The largest eye on the planet belongs to the Colossal Squid, and measures around 27 cm across.

39. Your eyebrows prevent sweat dripping into your eyes.

40. Heterochromia refers to a condition where your eyes are two different colours.

41. Our eyes are positioned in a hollowed eye socket, to protect the eye.

42. Dolphins sleep with one eye open.

43. The study of the iris is called iridology.

44. Eyes are the second most complex organ after the brain.

45. The Mayans believe that cross-eyes are attractive and would make efforts to ensure their children became cross-eyed.

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