Spectral domain-optical coherence tomography to detect localized retinal nerve fiber layer defects in glaucomatous eyes

Gianmarco Vizzeri, Madhusudhanan Balasubramanian, Christopher Bowd, Robert N. Weinreb, Felipe A. Medeiros, Linda M. Zangwill

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

This study examines the ability of RTVue, Cirrus and Spectralis OCT Spectral domain-optical coherence tomographs (SD-OCT) to detect localized retinal nerve fiber layer defects in glaucomatous eyes. In this observational case series, four glaucoma patients (8 eyes) were selected from the University of California, San Diego Shiley Eye Center and the Diagnostic Innovations in Glaucoma Study (DIGS) based on the presence of documented localized RNFL defects in at least one eye confirmed by masked stereophotograph assessment. One RTVue 3D Disc scan, one RTVue NHM4 scan, one Cirrus Optic Disk Cube 200×200 scan and one Spectralis scan centered on the optic disc (15×15 scan angle, 768 A-scans C.P.x 73 B-scans) were obtained on all undilated eyes within a single session. Results were compared with those obtained from stereophotographs. In 6 eyes the presence of localized RNFL defects was detected by stereophotography. In general, by qualitatively evaluating the retinal thickness maps generated, all SD-OCT instruments examined were able to confirm the presence of localized glaucomatous structural damage seen on stereophotographs. This study confirms SD-OCT is a promising technology for glaucoma detection as it may assist clinicians identify the presence of localized glaucomatous structural damage.

Original languageEnglish (US)
Pages (from-to)4004-4018
Number of pages15
JournalOptics Express
Volume17
Issue number5
DOIs
StatePublished - Mar 2 2009
Externally publishedYes

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nerve fibers
tomography
glaucoma
defects
stereophotography
optics
damage

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Spectral domain-optical coherence tomography to detect localized retinal nerve fiber layer defects in glaucomatous eyes. / Vizzeri, Gianmarco; Balasubramanian, Madhusudhanan; Bowd, Christopher; Weinreb, Robert N.; Medeiros, Felipe A.; Zangwill, Linda M.

In: Optics Express, Vol. 17, No. 5, 02.03.2009, p. 4004-4018.

Research output: Contribution to journalArticle

Vizzeri, Gianmarco ; Balasubramanian, Madhusudhanan ; Bowd, Christopher ; Weinreb, Robert N. ; Medeiros, Felipe A. ; Zangwill, Linda M. / Spectral domain-optical coherence tomography to detect localized retinal nerve fiber layer defects in glaucomatous eyes. In: Optics Express. 2009 ; Vol. 17, No. 5. pp. 4004-4018.
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