Random Eye Facts

    19 facts tagged with Eye Facts

    Tigers can see 6 times better at night than humans.
    305
    Only about 2% of the world population has green eyes.
    36
    Sheep, goats, octopuses, and toads have rectangular pupils.
    7
    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
    Poor eyesight (myopia) is associated with higher IQ.
    232
    Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
    132
    The human eye blinks an average of 4,200,000 times a year.
    233