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Related Experiment Videos

Optic nerve evulsion and transection.

P N Rosenberg1, O B Stasior

  • 1Albany Medical College, New York.

Advances in Ophthalmic Plastic and Reconstructive Surgery
|January 1, 1987
PubMed
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Optic nerve injuries from trauma can cause severe vision loss. These injuries, including evulsion or transection, often result in permanent blindness with no effective medical or surgical treatment.

Area of Science:

  • Ophthalmology
  • Neurology
  • Trauma Surgery

Background:

  • Optic nerve injuries can result from seemingly minor trauma.
  • These injuries can range from partial to complete evulsion from the globe.
  • Lamina cribrosa changes indicate nerve fiber disinsertion.

Purpose of the Study:

  • To discuss the etiology, clinical features, and histopathology of optic nerve injuries.
  • To highlight the range of visual loss associated with different injury types.
  • To review the limited treatment options and prognosis.

Main Methods:

  • Review of injury mechanisms including concussive and rotational forces.
  • Clinical examination findings such as lamina cribrosa status.
  • Histopathological analysis of injured optic nerve tissue.

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Main Results:

  • Evulsion injuries lead to partial or complete nerve disinsertion and variable visual loss.
  • Transection injuries within the orbit cause complete blindness.
  • No current medical or surgical interventions improve visual prognosis post-injury.

Conclusions:

  • Optic nerve injuries, particularly transections, have a poor visual prognosis.
  • Understanding the mechanisms and features is crucial for diagnosis.
  • Further research into treatment strategies is warranted.