What is the function of the optic nerve?

The optic nerve is located in the back of the eye. It is also called the second cranial nerve or cranial nerve II. It is the second of several pairs of cranial nerves. read more

The optic nerve is located in the back of the eye. It is also called the second cranial nerve or cranial nerve II. It is the second of several pairs of cranial nerves. The job of the optic nerve is to transfer visual information from the retina to the vision centers of the brain via electrical impulses. read more

Damage to the optic nerve sometimes occurs and is known as optic nerve atrophy. Common symptoms include dimming vision and the fading of colors. Many unrelated issues such as poor blood flow, shock, radiation and trauma are potential causes of optic nerve atrophy. read more

Though, optic nerve is situated in the eye it is referred to as being part of the central nervous system. The optic nerve functions by way of transferring visual information that falls on the retina via electrical impulses to the vision centers situated in the brain. read more