What is the role of nerve fiber analysis in the workup of low-tension glaucoma?

Updated: Jun 10, 2020
  • Author: Mitchell V Gossman, MD; Chief Editor: Hampton Roy, Sr, MD  more...
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Answer

Optic nerve head and/or retinal nerve fiber analysis may be helpful in diagnosing and monitoring progression of glaucomatous optic neuropathy.

Analyze optic nerve head with confocal scanning laser ophthalmoscopy (SLO), eg, Heidelberg Retinal Tomograph, or optical coherence topography (OCT).

Analyze retinal nerve fiber with confocal SLO, OCT, or scanning laser polarimetry (GDx). Often, retinal nerve fiber layer changes may occur before any changes on visual-field testing. Most often, nerve fiber layer thinning occurs first in the superior and inferior poles.


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