April 2014
Volume 55, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2014
REPEATABILITY OF CENTRAL CORNEAL THICKNESS MEASUREMENT WITH THE PENTACAM HR SYSTEM
Author Affiliations & Notes
  • Ruiz Alonso
    GLAUCOMA, UNIVERSIDADE FEDERAL FLUMINENSE, Rio de Janeiro, Brazil
  • Renato Ambrosio
    GLAUCOMA, UNIVERSIDADE FEDERAL FLUMINENSE, Rio de Janeiro, Brazil
  • Marcelo Palis Ventura
    GLAUCOMA, UNIVERSIDADE FEDERAL FLUMINENSE, Rio de Janeiro, Brazil
  • Footnotes
    Commercial Relationships Ruiz Alonso, None; Renato Ambrosio, OCULUS (C); Marcelo Ventura, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science April 2014, Vol.55, 4865. doi:
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      Ruiz Alonso, Renato Ambrosio, Marcelo Palis Ventura; REPEATABILITY OF CENTRAL CORNEAL THICKNESS MEASUREMENT WITH THE PENTACAM HR SYSTEM. Invest. Ophthalmol. Vis. Sci. 2014;55(13):4865.

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

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Abstract

Purpose: To assess the repeatability of central corneal thickness measurement at the geometrical center (Central Corneal Thickness - CCT) given by the Pentacam High Resolution (HR) Comprehensive Eye Scanner (Oculus, Wetzlar, Germany) over time.

Methods: Prospective, single center, observational study. Two separate CCT measurements were taken by the Pentacam corneal tomography exam (CTm) 3 to 12 months apart, and compared.

Results: One hundred and sixteen eyes (n=116) of 62 health patients were included in this study. Average CCT in first and last visits was 541.6±37 μm and 543.6±36.9 μm respectively. Mean difference between both measurements was 9.2±6.4 μm, and there was no statistically significant difference in CCT measurement between visits, with good correlation between them (P = 0.057, r2 = 0,9209).

Conclusions: Pentacam (HR) CTm gives repeatable CCT measurements over time.

Keywords: 550 imaging/image analysis: clinical • 479 cornea: clinical science  
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