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