Investigating the Optic Nerve

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=ZnFzLuW637c

What is the optic nerve? What type of cranial nerve is the optic nerve? What is the function of the optic nerve? And how should I go about assessing the opti...

optic nerve, cranial nerve 2, cranial nerve, cranial nerves
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