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Optic nerve sheath fenestration: a revised lateral approach for nerve access.

Nathan W Blessing1, David T Tse1

  • 1a Bascom Palmer Eye Institute , University of Miami Miller School of Medicine , Miami , FL , USA.

Orbit (Amsterdam, Netherlands)
|March 23, 2018
PubMed
Summary

Idiopathic intracranial hypertension (IIH) can cause vision loss. Optic nerve sheath fenestration (ONSF) surgery helps preserve sight. This study details a revised surgical approach for improved optic nerve access in IIH patients.

Keywords:
Idiopathic intracranial hypertensionlateral orbitotomyoptic nerve sheath fenestrationpseudotumor cerebri

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Area of Science:

  • Ophthalmology
  • Neurosurgery

Background:

  • Idiopathic intracranial hypertension (IIH), or pseudotumor cerebri, is a condition with unknown causes leading to vision loss.
  • Optic nerve sheath fenestration (ONSF) is a surgical option for IIH patients experiencing visual decline despite medical treatment.

Purpose of the Study:

  • To present a modified lateral surgical approach for accessing the optic nerve in patients with IIH.
  • The goal is to improve surgical technique for optic nerve sheath fenestration.

Main Methods:

  • The report describes a revised lateral orbitotomy technique for temporal optic nerve access.
  • This approach aims to avoid dissection through the central intraconal fat.

Main Results:

  • The revised technique offers a novel method for optic nerve access.
  • Details of the surgical procedure and its advantages are presented.

Conclusions:

  • The revised lateral approach provides an alternative surgical strategy for ONSF in IIH.
  • This modification may enhance the safety and efficacy of optic nerve access during IIH treatment.