Random Eye Facts

    19 facts tagged with Eye Facts

    Optical illusions occur when what the eyes see conflicts with what the brain expects.
    75
    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
    The human eye blinks an average of 4,200,000 times a year.
    233
    The colossal squid has the largest eyes in the world.
    4
    Only about 2% of the world population has green eyes.
    36
    When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
    1k
    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
    Poor eyesight (myopia) is associated with higher IQ.
    232