Comparación de la medición del grosor corneal central medido con el paquímetro incluido en el Wavelight® Ex500 Excimer Laser y el tomógrafo de cámara de Scheimpflug Pentacam® en sujetos sanos.

Translated title of the contribution: Comparison of corneal thickness measurement with the pachymeter included in the Wavelight® EX500 Excimer Laser and the Scheimpflug camera tomograph Pentacam® in healthy subjects

Manuel Garza León, Agustín del Valle-Penella, Bárbara Elizondo-Fernández, Perla Ortega-Zárate, María Fernanda Siller-Reyes

Research output: Contribution to journalArticle

Abstract

© 2016 Sociedad Mexicana de Oftalmología Objective Comparing the central corneal thickness measurements obtained by the pachymeter included in the Wavelight EX 500 Excimer Laser®and the Pentacam Scheimpflug®based tomography. Material and methods In a sample of thirty unoperated eyes of healthy subjects, the central corneal thickness was analyzed by a single examiner, prior to the measurements eyes was randomized. Three sets of measurements from each device were evaluated and statistical analysis was based on the averages of the measurements. For the correlation between both devices, T-test with Bonferrioni adjustment and Bland and Altman plots were used to assess agreement between devices. Results 30 healthy subjects were evaluated with a mean age of 28.7 ± 8.06 years (range 19-49 years), of which 12 were men. The right eye was randomized in 40% of patients. The average corneal thickness was 553.31 ± 32.47 μm and 554.53 ± 30.83 μm for WaveLight and Pentacam respectively, the difference was not statistically significant (P = .369). The difference in the average CCT was -1.2 microns (WaveLight-Pentacam) with a confidence interval of 95% from –3.96 to 1.51 microns. Conclusions Our results demonstrate that the pachymeter included in the Wavelight®EX500 Excimer Laser is a good alternative to the Pentacam pachymetry in the measurement measure of central corneal thickness in healthy patients.
Original languageSpanish
Pages (from-to)25-29
Number of pages5
JournalRevista Mexicana de Oftalmologia
Volume91
Issue number1
DOIs
Publication statusPublished - 1 Jan 2017

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Corneal Pachymetry
Excimer Lasers
Healthy Volunteers
Equipment and Supplies
Tomography
Confidence Intervals

All Science Journal Classification (ASJC) codes

  • Ophthalmology

Cite this

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title = "Comparaci{\'o}n de la medici{\'o}n del grosor corneal central medido con el paqu{\'i}metro incluido en el Wavelight{\circledR} Ex500 Excimer Laser y el tom{\'o}grafo de c{\'a}mara de Scheimpflug Pentacam{\circledR} en sujetos sanos.",
abstract = "Objective Comparing the central corneal thickness measurements obtained by the pachymeter included in the Wavelight EX 500 Excimer Laser{\circledR} and the Pentacam Scheimpflug{\circledR} based tomography. Material and methods In a sample of thirty unoperated eyes of healthy subjects, the central corneal thickness was analyzed by a single examiner, prior to the measurements eyes was randomized. Three sets of measurements from each device were evaluated and statistical analysis was based on the averages of the measurements. For the correlation between both devices, T-test with Bonferrioni adjustment and Bland and Altman plots were used to assess agreement between devices. Results 30 healthy subjects were evaluated with a mean age of 28.7 ± 8.06 years (range 19-49 years), of which 12 were men. The right eye was randomized in 40{\%} of patients. The average corneal thickness was 553.31 ± 32.47 μm and 554.53 ± 30.83 μm for WaveLight and Pentacam respectively, the difference was not statistically significant (P = .369). The difference in the average CCT was -1.2 microns (WaveLight-Pentacam) with a confidence interval of 95{\%} from –3.96 to 1.51 microns. Conclusions Our results demonstrate that the pachymeter included in the Wavelight{\circledR} EX500 Excimer Laser is a good alternative to the Pentacam pachymetry in the measurement measure of central corneal thickness in healthy patients. {\circledC} 2016 Sociedad Mexicana de Oftalmolog{\'i}a",
author = "{Garza Le{\'o}n}, Manuel and {del Valle-Penella}, Agust{\'i}n and B{\'a}rbara Elizondo-Fern{\'a}ndez and Perla Ortega-Z{\'a}rate and Siller-Reyes, {Mar{\'i}a Fernanda}",
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Comparación de la medición del grosor corneal central medido con el paquímetro incluido en el Wavelight® Ex500 Excimer Laser y el tomógrafo de cámara de Scheimpflug Pentacam® en sujetos sanos. / Garza León, Manuel; del Valle-Penella, Agustín; Elizondo-Fernández, Bárbara; Ortega-Zárate, Perla; Siller-Reyes, María Fernanda.

In: Revista Mexicana de Oftalmologia, Vol. 91, No. 1, 01.01.2017, p. 25-29.

Research output: Contribution to journalArticle

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AU - Garza León, Manuel

AU - del Valle-Penella, Agustín

AU - Elizondo-Fernández, Bárbara

AU - Ortega-Zárate, Perla

AU - Siller-Reyes, María Fernanda

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Objective Comparing the central corneal thickness measurements obtained by the pachymeter included in the Wavelight EX 500 Excimer Laser® and the Pentacam Scheimpflug® based tomography. Material and methods In a sample of thirty unoperated eyes of healthy subjects, the central corneal thickness was analyzed by a single examiner, prior to the measurements eyes was randomized. Three sets of measurements from each device were evaluated and statistical analysis was based on the averages of the measurements. For the correlation between both devices, T-test with Bonferrioni adjustment and Bland and Altman plots were used to assess agreement between devices. Results 30 healthy subjects were evaluated with a mean age of 28.7 ± 8.06 years (range 19-49 years), of which 12 were men. The right eye was randomized in 40% of patients. The average corneal thickness was 553.31 ± 32.47 μm and 554.53 ± 30.83 μm for WaveLight and Pentacam respectively, the difference was not statistically significant (P = .369). The difference in the average CCT was -1.2 microns (WaveLight-Pentacam) with a confidence interval of 95% from –3.96 to 1.51 microns. Conclusions Our results demonstrate that the pachymeter included in the Wavelight® EX500 Excimer Laser is a good alternative to the Pentacam pachymetry in the measurement measure of central corneal thickness in healthy patients. © 2016 Sociedad Mexicana de Oftalmología

AB - Objective Comparing the central corneal thickness measurements obtained by the pachymeter included in the Wavelight EX 500 Excimer Laser® and the Pentacam Scheimpflug® based tomography. Material and methods In a sample of thirty unoperated eyes of healthy subjects, the central corneal thickness was analyzed by a single examiner, prior to the measurements eyes was randomized. Three sets of measurements from each device were evaluated and statistical analysis was based on the averages of the measurements. For the correlation between both devices, T-test with Bonferrioni adjustment and Bland and Altman plots were used to assess agreement between devices. Results 30 healthy subjects were evaluated with a mean age of 28.7 ± 8.06 years (range 19-49 years), of which 12 were men. The right eye was randomized in 40% of patients. The average corneal thickness was 553.31 ± 32.47 μm and 554.53 ± 30.83 μm for WaveLight and Pentacam respectively, the difference was not statistically significant (P = .369). The difference in the average CCT was -1.2 microns (WaveLight-Pentacam) with a confidence interval of 95% from –3.96 to 1.51 microns. Conclusions Our results demonstrate that the pachymeter included in the Wavelight® EX500 Excimer Laser is a good alternative to the Pentacam pachymetry in the measurement measure of central corneal thickness in healthy patients. © 2016 Sociedad Mexicana de Oftalmología

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