Random Eye Facts

    19 facts tagged with Eye Facts

    The human eye blinks an average of 4,200,000 times a year.
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    Those things you see in your eyes when you stare into space are called Mouches Voltanes, which are also broadly referenced to as Floaters.
    9
    The colossal squid has the largest eyes in the world.
    4
    The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
    21
    Sectoral Heterochromia
    Sectoral Heterochromia
    Sectoral heterochromia is an eye condition where one part of the iris appears different to the rest. It's generally a result of excessive pigment.
    60
    Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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    Optical illusions occur when what the eyes see conflicts with what the brain expects.
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    All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
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