The lens of the human eye amazing because Light inter your eye through a center opening knows as the pupil, witch change depending on the amount of light .
The color area around the pupil is called the iris, it controls the size of the pupil.The part of the eye that allows us to focus on different things is known as the lens .
The lens of the human eye is truly amazing .it can change shape so that we can focus on objects at various distances. The lens consists of about 2,200 infinitely fine layer, which lie on top of one another, like the skins of an onion.
The lens in the eye, unlike the glass lens of a camera is not rigid-it is, in fact, highly pliable.