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Comparison of Biometry Measurements Using Standard Partial Coherence Interferometry versus New Scheimpflug Tomography with Integrated Axial Length Capability
| Content Provider | Directory of Open Access Journals (DOAJ) |
|---|---|
| Author | Ambrosio Jr R. Waring IV GO Haddad JS Barnwell E. Rocha KM |
| Abstract | Jorge Selem Haddad,1,2 Eliza Barnwell,1 Karolinne Maia Rocha,1 Renato Ambrosio Jr,2,3 George O Waring IV4 1Storm Eye Institute, Medical University of South Carolina, Charleston, SC, USA; 2Universidade Federal de São Paulo, São Paulo, Brazil; 3Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro, Brazil; 4Waring Vision Institute, Mt. Pleasant, SC, USACorrespondence: Jorge Selem HaddadStorm Eye Institute, Medical University of South Carolina, 167 Ashley Ave, Charleston, SC 29425, USATel +1 843 327 7934Email jshaddad2@hotmail.comPurpose: To compare biometry measurements obtained by a partial interferometer biometer (IOLMaster 500) to the new Scheimpflug tomography with an integrated axial length biometer module (Pentacam AXL).Patients and Methods: Cataract patients who underwent biometric measurements with the IOL Master 500 and the Pentacam AXL from July to November 2017 were enrolled in this study. Comparisons were performed for axial length (AL), keratometry (K), and anterior chamber depth (ACD). The Pearson correlation coefficient and the 95% limits of agreement (LoA) were calculated. Paired Student’s t-tests and Bland-Altman plots were used to assess the differences between devices.Results: One hundred and sixty-six eyes of 92 patients were analyzed. There were no statistically significant differences in AL (p=0.558) or flat K (p=0.196) values between the IOL Master 500 and Pentacam AXL measurements. Statistically significant differences were found between the two devices with respect to steep K, ACD, and mean K measurements (p< 0.001).Conclusion: Both devices provided similar measurements of AL and flat K, though there were statistically significant differences in ACD, steep K, and mean K measurements.Keywords: anterior chamber depth, axial length, biometry, IOLMaster 500, partial coherence interferometry, pentacam AXL |
| Related Links | https://www.dovepress.com/comparison-of-biometry-measurements-using-standard-partial-coherence-i-peer-reviewed-article-OPTH |
| ISSN | 11775467 |
| e-ISSN | 11775483 |
| Journal | Clinical Ophthalmology |
| Volume Number | 14 |
| Language | English |
| Publisher | Dove Medical Press |
| Publisher Date | 2020-01-01 |
| Publisher Place | United Kingdom |
| Access Restriction | Open |
| Subject Keyword | Ophthalmology Anterior Chamber Depth Axial Length Biometry Iolmaster 500 Partial Coherence Interferometry Pentacam Axl |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ophthalmology |
