| A | B |
|---|
| lens | a transparent body behind the iris, the colored part of the eye; bends light rays so that they give a clear image to the back of the eye. |
| retina | a fine sheet of nerve tissue lining the inside of the eye; produces a picture which is sent along the optic nerve for the brain to interpret |
| cornea | a transparent membrane which forms the outer coating of the eyeball; main purpose is protection; the outer-most refractive surface of the eye |
| macula | found at the center of the retina where the incoming rays of light are focused |
| iris | determines the color of a person's eye; surrounds pupil; made up of tissue that controls the size of the pupil |
| conjuctiva | a mucus membrane which covers the exposed front portion of sclera and continues to form the lining on the inside of the eyelids |
| pupil | the dark circular hole in the centre of the iris through which we "see" |
| vitreous | a clear jelly to keep the eyeball round |
