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Arch Ophthalmol. 2008 Jun;126(6):765-71. doi: 10.1001/archopht.126.6.765.

Detailed visualization of the anterior segment using fourier-domain optical coherence tomography.

Author information

  • 1Duke University Eye Center, Box 3802, Durham, NC 27710, USA. asran002@mc.duke.edu

Abstract

OBJECTIVE:

To study details of the anterior chamber drainage angle using Fourier-domain optical coherence tomography in healthy subjects and patients with angle abnormalities.

METHODS:

A high-speed anterior segment optical coherence tomography prototype was developed using a 1310-nm-wavelength swept light source. Six healthy subjects and 6 patients with glaucoma were imaged in an observational cross-sectional study.

RESULTS:

Schlemm's canal and the trabecular meshwork were visualized in all of the patients. Fifteen-millimeter scans enabled entire anterior segment visualization providing configuration details of the iris with respect to the angle. Four-millimeter scans permitted detailed views of the angle configuration and its structures. Volumetric imaging was possible and Schlemm's canal was visualized along part of its circumference.

CONCLUSION:

Anterior segment Fourier-domain optical coherence tomography permits detailed noncontact imaging of the angle and its structures, providing a tool to improve our understanding of the pathogenesis of narrow-angle glaucoma.

PMID:
18541838
[PubMed - indexed for MEDLINE]
PMCID:
PMC2756510
Free PMC Article

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