The colored bit is called the iris, and is actually a muscle. it expands and contracts to make the pupil (black bit) either smaller or larger, depending how much light there is. the brighter the outside would is, the smaller the pupil gets.
arcus An opaque arc or ring around the peripheral cornea, this represents fatty or oily deposits in the cornea. It is usually seen in elderly people and is called arcus senilis. Arcus juvenilis is seen in people younger than 40 and often indicates high levels of cholesterol in the blood. Always see a Professional for diagnosis!
An Iris is a flower as well as part of the eye (it is the coloured ring around your pupil).
The size of the pupil in the human eye is controlled by the iris, which is a ring of muscle that can expand or contract to adjust the size of the pupil.
Gwendolen is Welsh meaning "White ring". Gwen meaning 'white' and Dolen meaning 'ring'.
Yes, it is possible to have brown eyes with a blue ring around them. This is known as a limbal ring, which is a dark ring around the iris that can create the appearance of different colored circles around the pupil.
The symbols S51 on a 14k white gold ring illustrate the purity of the gold.
A small red circle on your arm with a white ring around it is most likely ringworm. This is contagious by touch.
iris
The Iris.
14K nickel white
vennela chakram means moon halo. a gigantic white ring around the moon in the sky.