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  • cranial
  • Conditions which produce injury or dysfunction of the second cranial or optic nerve, which is generally considered a component of the central nervous system. (definitions.net)
  • ocular
  • Visual prognosis can be poor when other ocular developmental abnormalities such as microphthalmos are present, but people with isolated optic nerve colobomas without other ocular malformations can have excellent visual status, as this case demonstrates. (aao.org)
  • tumor
  • the tumor was isointense on a T1-weighted image and hyperintense on T2-weighted images (Fig. 9.5).There was only weak enhancement over the optic nerve tumor. (springer.com)
  • A clinical diagnosis of optic nerve sheath meningioma was made, and the tumor was completely excised along with enucleation, followed by postoperative adjuvant external beam radiotherapy. (aao.org)
  • Histopathologically, the tumor was found to be arising from the optic nerve meninges with classical "stag-horn" pattern and abundant cellularity. (aao.org)
  • blood vessels
  • Changes in the appearance of the optic nerve and the blood vessels that pass through it can be seen through the ophthalmoscope and might be related to the source of your symptoms. (harvard.edu)
  • peripheral
  • The optic nerve has been classified as the second of twelve paired cranial nerves but is technically part of the central nervous system , rather than the peripheral nervous system because it is derived from an out-pouching of the diencephalon ( optic stalks ) during embryonic development. (wikipedia.org)
  • Peripheral neuropathies like Guillain-Barré syndrome do not affect the optic nerve. (wikipedia.org)
  • Vision
  • He did a few visual field test and said my vision is 20/20 but he referred me to a nerve specialist and a neurologist. (medhelp.org)
  • I met with an accident around 15 years back in which the Optic nerve of my right eye got damaged and as a result I am having blurred vision in my right eye. (medhelp.org)
  • What is the effect of optic pit on vision? (aapos.org)
  • There is not treatment required for the optic pit itself, and there is no preventive measure to avoid the accumulation of fluid and the associated diminution of vision. (aapos.org)
  • involves
  • Glaucomatous optic nerve injury involves early astrocyte reactivity and late oligodendrocyte loss. (nih.gov)
  • The ONSF procedure involves cutting a window into the optic nerve sheath, allowing the excess fluid to escape and harmlessly absorb into surrounding tissues. (eyetube.net)
  • describe
  • The authors describe a 1-year-old child with Aicardi syndrome with previously unreported ophthalmic features of aplasia of the right optic nerve and bilateral iris colobomas. (healio.com)
  • Stroke of the optic nerve" is a term sometimes used to describe a group of disorders called occlusive eye diseases. (nih.gov)