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optic nerve
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Diagram of a horizontal section of the human eye showing labeled parts including the cornea, iris, lens, retina, sclera, optic nerve, and blood vessels, with internal structures and muscles visible. Diagram showing how visual information from an object enters the left and right eyes, travels along the optic nerves, crosses at the optic chiasma, and reaches the occipital lobes in the brain for image processing. The Human Body Papilledema Figure 1: General structure of the mammalian eye. Diagram showing the layered structure of the human retina, with labeled optic nerve fibers, ganglion cells, bipolar neurons, rod cells, cone cells, and pigmented epithelium at the base.
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optic nerve: References & Edit History

Article Contributors

Primary Contributors

  • Daniel M. Albert
    Professor of Ophthalmology, University of Wisconsin at Madison. Professor of Ophthalmology, Wisconsin Alumni Research Foundation.
  • David M. Gamm
    Assistant Professor of Ophthalmology and Visual Sciences at the University of Wisconsin Eye Research Institute, Waisman Center.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Media added. Dec 01, 2023
Modified link of Web site: MedicineNet.com - Definition of Optic nerve. May 07, 2015
Add new Web site: MedicineNet.com - Definition of Optic nerve. Nov 27, 2014
Added new Web site: International Glaucoma Association - Optic Nerve. Feb 05, 2008
Added new Web site: TedMontgomery.com - Optic Nerve. Feb 05, 2008
Article revised and updated. Nov 01, 2007
Article added to new online database. Jul 20, 1998
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