The whole of the eye, inclduing the part inside the head that can't be seen.
eyeball
a drop of liquid that comes out of your eye when you cry.
tear
The small round black area at the centre of the eye.
pupil
Either of the pieces of skin above and below the eye.
eyelid
The round colored part that surrounds the pupils of your eye.
iris
a single tear that comes from your eye
teardrop
one of the hairs growing on the edge of the eyelids.
eyelash
a tube that carries blood in your body
vein
The white part of the eye.
white
The transparent part of the eye, behind the pupil that focuses the light so that you can see clearly.
lens
The line of hair above the eye.
eyebrow