The tiny crescent-shaped pink corner of your eye is known as the вЂњplica semilunarisвЂќ. ItВ has been long discussedВ among evolutionists and creationists, because theyВ thought it was aВ remnant from our evolutionary history.
We don’t haveВ spare third eyelid that can slide horizontally across our eyes, such asВ reptiles, amphibians, fish, birds and some mammals has. They haveВ translucent structure which is known asВ вЂњnictitating membraneвЂќ, andВ is used toВ clean and protect theirВ eyes.
Some of the experts consider theВ pink corner of ourВ eye as aВ proof that we evolved from creatures and once we hadВ functional nictitating membrane.