The eye.
ear
ear
ear
It is part of the ear.
Optic nerve is found in the eye which sends the nerve impulses from the eye to the brain. The auditory nerve is present in the ear and sends the nerve impulses from the ear to the brain. They both have the same functions though they're present in different places.
The optic nerve is in the eye (optical, Optical illusions)
The optic nerve exits the retina at the optic disc, otherwise known as the "blind spot".
the optic nerve
Optic nerve. Well, it connects the retina to the brain. The muscles of the eye also connect to the brain, but not through the optic nerve.
The optic nerve
your optic nerve attatches your eye and brain together