Retinal nerve fiber layer thickness using spectral-domain optical coherence tomography in patients with no light perception secondary to optic atrophy

Sylvia L. Groth, Andrew Harrison, Alana Lee Grajewski, Michael S. Lee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Background: Optical coherence tomography (OCT) provides useful structural information that can augment functional data. Newer spectral-domain technology provides faster and higher resolution images than time-domain machines. Although each measures the same structures, the values systematically differ. We evaluated eyes with longstanding no light perception (NLP) visual acuity secondary to optic atrophy using spectral-domain OCT to determine minimum retinal nerve fiber layer (RNFL) thickness. Methods: The authors conducted a retrospective, cross-sectional chart review study to identify patients with NLP acuity for 8 months or more and having a good quality Spectralis OCT (Heidelberg Engineering, Heidelberg, Germany) to measure the RNFL thickness. An unpaired t test compared the eyes with a previously published data set measured with time-domain OCT. Results: Eleven eyes from 10 patients were examined with the Spectralis OCT. The mean duration of documented NLP acuity was 3.72 ± 1.20 years. The mean RNFL thickness was 34.18 ± 2.66 μm (95% confidence interval, 28.26-40.11 μm). Mean RNFL thickness was significantly thinner on this spectral-domain OCT than previously published values on time-domain OCT (34.18 vs 45.42 μm, P = 0.004). Conclusion: Using the Spectralis OCT, mean RNFL thickness for NLP eyes due to optic atrophy is 28-40 μm. This provides clinicians useful information when considering how aggressively to manage patients with optic nerve disease.

Original languageEnglish (US)
Pages (from-to)37-39
Number of pages3
JournalJournal of Neuro-Ophthalmology
Volume33
Issue number1
DOIs
StatePublished - Mar 2013
Externally publishedYes

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Optic Atrophy
Optical Coherence Tomography
Nerve Fibers
Light
Optic Nerve Diseases
Visual Acuity
Germany
Confidence Intervals
Technology

ASJC Scopus subject areas

  • Clinical Neurology
  • Ophthalmology

Cite this

Retinal nerve fiber layer thickness using spectral-domain optical coherence tomography in patients with no light perception secondary to optic atrophy. / Groth, Sylvia L.; Harrison, Andrew; Grajewski, Alana Lee; Lee, Michael S.

In: Journal of Neuro-Ophthalmology, Vol. 33, No. 1, 03.2013, p. 37-39.

Research output: Contribution to journalArticle

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