Quantitative Ultrasonography in Orbital Optic Nerve Decompression

  • Harold W. Skalka


Decompression of the orbital optic nerve by incision, or preferably, excision of a portion of the retrobulbar nerve sheaths is an accepted procedure in the management of patients who are developing visual defects due to otherwise uncontrollable chronic papilledema 1–7. Usually, but not always, the papilledema is due to increased intracranial pressure8. A major category of such patients are those with pseudotumor cerebri with chronic papilledema and visual field compromise who are not responding adequately to medical therapy. Previously, a widened cerebrospinal fluid cuff around the retrobulbar optic nerve was assumed on the basis of papilledema and (usually) increased intracranial pressure. Pseudotumor cerebri (or other) patients with optic atrophy unable to develop papilledema, and papilledema patients without elevated cerebrospinal fluid pressure on lumbar puncture, could not be adequately evaluated, and the potential benefits of orbital optic nerve decompression were often withheld due to inability to predict the presence of decompressible fluid about the retrobulbar optic nerves.


Optic Nerve Optic Disc Optic Atrophy Optic Nerve Sheath Cerebrospinal Fluid Pressure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© American Institute of Ultrasound in Medicine and Plenum Press, New York 1978

Authors and Affiliations

  • Harold W. Skalka
    • 1
  1. 1.Combined Program in Ophthalmology Eye Foundation HospitalUniversity of Alabama in BirminghamBirminghamUSA

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