May 2007
Volume 48, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2007
Corneal Thickness as Measured by Ultrasound Pachymetry, Optical Coherence Tomography, and Artemis-2
Author Affiliations & Notes
  • T. Paul
    Ophthalmology, Weill Medical College of Cornell University, New York, New York
  • M. Lim
    Ophthalmology, Weill Medical College of Cornell University, New York, New York
  • C. E. Starr
    Ophthalmology, Weill Medical College of Cornell University, New York, New York
  • R. H. Silverman
    Ophthalmology, Weill Medical College of Cornell University, New York, New York
  • Footnotes
    Commercial Relationships T. Paul, None; M. Lim, None; C.E. Starr, None; R.H. Silverman, Co-developer of the Artemis along with DZ Reinstein, DJ Coleman at the Bio-Acoustic Research Facility in the Department of Ophthalmology of the Weill Medical College of Cornell University., P.
  • Footnotes
    Support None.
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 3876. doi:
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    • Get Citation

      T. Paul, M. Lim, C. E. Starr, R. H. Silverman; Corneal Thickness as Measured by Ultrasound Pachymetry, Optical Coherence Tomography, and Artemis-2. Invest. Ophthalmol. Vis. Sci. 2007;48(13):3876.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose:: To compare central corneal thickness measurements using the ultrasound pachymeter, Orbscan, and the Artemis-2 (Very high- frequency digital ultrasound).

Methods:: The central corneal thickness of 8 eyes (4 subjects) were scanned using first the Orbscan, followed by the ultrasound pachymeter, and finally by the Artemis-2. Each subject's cornea was measured at the same time of day using the three modalities listed above. It is estimated that final enrollment in this study will be approximately 40 eyes.

Results:: Measurements taken with the Artemis-2 and the ultrasound pachymeter correlated well (r=0.99, p<0.0001). In addition, the Artmeis-2 and Orbscan measurements correlated well (r=0.942, p=0.0005). Analysis of variance showed no significant difference existed between measurement of central corneal thickness using the three different measurement modalities (F=0.0031, p=0.997).

Conclusions:: Measurement of central corneal thickness using an ultrasound pachymeter, Orbscan and the Artemis 2, a novel ultrasound device for imaging the cornea and anterior segment, correlate well with one another.

Keywords: imaging/image analysis: clinical • cornea: clinical science 
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