Definition of optic nerve in English:
Each of the second pair of cranial nerves, transmitting impulses to the brain from the retina at the back of the eye.
- Pressure in the eye builds up and damages the optic nerve and nerve fibres of the retina, leading to glaucoma.
- The most studied topographical projection is that of the optic nerve from the retina into the brain.
- Information that is focused on the retina is then transmitted down the nerve, called the optic nerve, and arrives at the brain.
Definition of optic nerve in:
- British & World English dictionary
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