![](https://webarchive.library.unt.edu/eot2008/20090514051328im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20090514051328im_/http://www.cancer.gov/images/spacer.gif)
| The nerve that carries messages from the retina to the brain. |
Previous Definitions: | opportunistic infection, oprelvekin, OPT-80, optic chiasm, optic chiasma | Next Definitions: | optic pathway glioma, optic tract, optical coherence tomography, optical spectroscopy, oral |
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![](https://webarchive.library.unt.edu/eot2008/20090514051328im_/http://www.cancer.gov/images/spacer.gif) |