Fun Facts About The Human Eye

July 13, 2016

  • Did you know that the average blink takes 1/3 of a second?

  • Seeing is so important that it takes up more than 50% of the brain’s functionality.

  • The most active muscles in your body are in your eyes.

  • Your eyes can get sunburned.

  • Blue eyed people are more tolerant of alcohol and less tolerant of the sun

  • If the human eye were a digital camera it would have 576 megapixels.

  • We spend about 10% of our wake time with our eyes closed.

  • An ostrich’s eye is bigger than its brain.

  • Chameleons can move their eyes in two directions at once.

  • A single scallop can possess over a hundred eyes

  • Your eyes contain around 107 million light sensitive cells.

  • Dolphins can sleep with one eye open.

  • Birds, cats and dogs have three eyelids.

  • Ommatophobia is the fear of eyes.

  • Humans can see more shades of green than any other colour.

  • The world’s most common eye colour is brown.

  • Dogs cannot distinguish between red and green.

  • The lifespan of the average eyelash is 5 months, the rest of your hair will last 2-4 years.

  • The eye has over 2 million functionalities.

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



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