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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 2, Iss. 9 — Sep. 1, 2011
  • pp: 2709–2720

Optics InfoBase > Biomedical Optics Express > Volume 2 > Issue 9 > Page 2709

Corneal topography with high-speed swept source OCT in clinical examination

Karol Karnowski, Bartlomiej J. Kaluzny, Maciej Szkulmowski, Michalina Gora, and Maciej Wojtkowski  »View Author Affiliations


Biomedical Optics Express, Vol. 2, Issue 9, pp. 2709-2720 (2011)
http://dx.doi.org/10.1364/BOE.2.002709


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Abstract

We present the applicability of high-speed swept source (SS) optical coherence tomography (OCT) for quantitative evaluation of the corneal topography. A high-speed OCT device of 108,000 lines/s permits dense 3D imaging of the anterior segment within a time period of less than one fourth of second, minimizing the influence of motion artifacts on final images and topographic analysis. The swept laser performance was specially adapted to meet imaging depth requirements. For the first time to our knowledge the results of a quantitative corneal analysis based on SS OCT for clinical pathologies such as keratoconus, a cornea with superficial postinfectious scar, and a cornea 5 months after penetrating keratoplasty are presented. Additionally, a comparison with widely used commercial systems, a Placido-based topographer and a Scheimpflug imaging-based topographer, is demonstrated.

© 2011 OSA

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4470) Medical optics and biotechnology : Ophthalmology
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Ophthalmology Applications

History
Original Manuscript: May 2, 2011
Revised Manuscript: July 23, 2011
Manuscript Accepted: August 26, 2011
Published: August 29, 2011

Citation
Karol Karnowski, Bartlomiej J. Kaluzny, Maciej Szkulmowski, Michalina Gora, and Maciej Wojtkowski, "Corneal topography with high-speed swept source OCT in clinical examination," Biomed. Opt. Express 2, 2709-2720 (2011)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-2-9-2709


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