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Related Experiment Videos

Optic nerve calcification after trauma.

John L Crompton1, Justin O'Day, Ahmed Hassan

  • 1Neuro-ophthalmology Service (JLC), Royal Adelaide Hospital, Adelaide, Australia. jlcrompton@internode.on.net

Journal of Neuro-Ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society
|January 22, 2005
PubMed
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Severe optic nerve trauma can lead to intraorbital optic nerve calcification due to hemorrhage. This rare finding, previously unreported, highlights long-term consequences of optic nerve injury.

Area of Science:

  • Ophthalmology
  • Neurology
  • Radiology

Background:

  • Optic nerve trauma can have severe consequences.
  • Intraorbital calcification is a known sequela of various insults, but its occurrence following optic nerve trauma is not well-documented.

Observation:

  • Two patients with a history of severe optic nerve trauma presented with significant intraorbital optic nerve calcification.
  • Imaging studies revealed extensive calcification within the optic nerve sheath.

Findings:

  • The presumed mechanism for the observed calcification is optic nerve hemorrhage.
  • This represents a novel observation, as optic nerve calcification following remote trauma has not been previously reported.

Implications:

Related Experiment Videos

  • This finding expands the understanding of long-term sequelae following optic nerve injury.
  • It suggests that optic nerve hemorrhage, even from remote trauma, can lead to delayed intraorbital calcification.
  • Further research may elucidate the precise mechanisms and clinical significance of this phenomenon.