How does optical coherence tomography work? Basic principles

J. Fernando Arevalo, Daniel Krivoy, Carlos F. Fernandez

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Optical coherence tomography (OCT) (Stratus OCT, Carl Zeiss Meditec, Inc., Dublin, CA) (Fig. 10.1) is a commercially available computer-assisted precision optical instrument that generates cross-sectional images (tomograms) of ocular structures with close to 10-μm axial resolution.1 This technology is evolving, and its axial resolution has been reported to be as high as 3 μm in laboratory settings (ultrahigh-resolution OCT).23 Optical coherence tomography is analogous to B-mode ultrasound, except that it uses light rather than sound. Unlike ultrasound, OCT does not require contact with the tissue examined.

Original languageEnglish (US)
Title of host publicationRetinal Angiography and Optical Coherence Tomography
PublisherSpringer New York
Pages217-222
Number of pages6
ISBN (Print)9780387689869
DOIs
StatePublished - Dec 1 2009
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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