Add punctuation: The cornea is the transparent lining that covers the external front of the eyeball that is the iris and the pupil respectively the colored area that expands and contracts to allow light in and the lens that transmits the light and image to the brain the black center
A: The cornea is the transparent lining that covers the external front of the eyeball; that is, the iris and the pupil (respectively, the colored area that expands and contracts to allow light in, and the lens that transmits the light and image to the brain the black center).

Add punctuation: The relation between the author and the web site can be terminated at any time prior request of any party
A: The relation between the author and the web site can be terminated at any time prior request of any party.

Add punctuation: Fourteen years ago he floated down to the milldam in a box and the millboy pulled him out of the water Then the King knew that it was none other than the luckchild which he had thrown into the water and he said My good people could not the youth take a letter to the Queen I will give him two gold pieces as a reward Just as the King commands answered they and they told the boy to hold himself in readiness
A:
Fourteen years ago he floated down to the mill-dam in a box, and the mill-boy pulled him out of the water." Then the King knew that it was none other than the luck-child which he had thrown into the water, and he said, "My good people, could not the youth take a letter to the Queen; I will give him two gold pieces as a reward?" - "Just as the King commands," answered they, and they told the boy to hold himself in readiness.