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Brief Note on Optic Nerve
Dr Kavin Halkman
Optic nerve is a bunch of more than 1 million nerve fibers. Also called as the second cranial nerve or cranial nerve II, it is second of several set of cranial nerves. It transmits sensory information for sight in the form of electrical impulses from the eye to the brain. Damage to an optic nerve can cause sight loss. The type of sight loss and how acute it is depends on where damage occurs. It may effect on one or both eye.