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Updated: Jun 19, 2026

Optic Nerve Sheath Point of Care Ultrasound: Image Acquisition
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Optic Nerve Sheath Point of Care Ultrasound: Image Acquisition

Published on: August 18, 2023

Evaluating optic nerve damage: pearls and pitfalls.

Paul J Mackenzie1, Frederick S Mikelberg

  • 1Division of Glaucoma, Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver Acute, 2550 Willow St, Vancouver, BC V5Z 3N9, Canada.

The Open Ophthalmology Journal
|October 17, 2009
PubMed
Summary
This summary is machine-generated.

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Primary open-angle glaucoma involves optic nerve damage. Careful clinical examination of the optic nerve head is crucial for diagnosing glaucoma and monitoring its progression, complementing imaging technologies.

Area of Science:

  • Ophthalmology
  • Neuroscience

Background:

  • Primary open-angle glaucoma is a progressive optic neuropathy.
  • Characterized by retinal ganglion cell loss and optic nerve head changes.
  • Structural appearance of the optic nerve head is key for diagnosis and progression detection.

Purpose of the Study:

  • To outline essential pearls for optic nerve examination in glaucoma.
  • To highlight common pitfalls in optic disc examination.

Main Methods:

  • Systematic clinical examination of the optic nerve.
  • Correlation with quantitative imaging methods like Heidelberg Retinal Tomography (HRT) and Ocular Coherence Tomography (OCT).

Main Results:

  • Clinical examination remains a cornerstone of glaucoma management.

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Partial Optic Nerve Transection in Rats: A Model Established with a New Operative Approach to Assess Secondary Degeneration of Retinal Ganglion Cells
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  • Quantitative imaging technologies show promise but require clinical correlation.
  • Careful examination helps avoid misinterpretation of imaging results.

    • Conclusions:

    • Systematic clinical examination of the optic nerve is paramount for glaucoma diagnosis and management.
    • Imaging technologies are valuable adjuncts but do not replace clinical expertise.
    • Understanding examination pearls and pitfalls enhances diagnostic accuracy.