13 Incredible Facts About Your Eyes

August 10, 2016

1. The pupil of your eye expands as much as 45% when you look at someone you love


2. One in every twelve males are colour blind


3. Brown eyes are actually blue underneath the brown pigment, and as a result there exists a laser procedure to turn brown eyes blue permanently 


4. Your eye will focus on about fifty things per second 


5. The Mayans believed that cross eyes were attractive, and would make efforts to ensure their children became cross eyed


6. You see with your brain, not your eyes. In many cases, blurry or poor vision isn't caused by the eye at all. It stems from something going wrong in the visual cortex of the brain 


7. Human and dogs are the only species known to see visual cues from another individual's eyes , and dogs only do this when interacting with humans 


8. About two percent of women have a rare generic mutation that provides them with an extra retinal cone in their eyes. This allows them to see 100 million colours


9. There are colours that are too complex for the human eye to perceive called ''Impossible Colours''


10. The eye len's is quicker than any camera 


11. Blind people, as long as they weren't born blind, can see their dreams 


12. While it takes some time for most parts of your body to warm up to their full potential, your eyes are always active 24/7 


13. Ten thousand years ago, everyone eyes were brown until someone developed a genetic mutation  that made their eyes blue. This means that  if your eyes are blue, you share a common ancestor with every blue eyed individual in the world 




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