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Tear meniscus height agreement and reproducibility between two corneal topographers and spectral-domain optical coherence tomography

2024Journal article Open access
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dc.contributor.authorSoares, Ivo
dc.contributor.authorRamalho, Eva
dc.contributor.authorBrardo, Francisco M.
dc.contributor.authorNunes, Amélia Fernandes
dc.date.accessioned2024-10-17T08:57:35Z
dc.date.available2024-10-17T08:57:35Z
dc.date.issued2024
dc.description.abstractClinical relevance: Tear meniscus height (TMH) is an important clinical marker in dry eye diagnosis and management. Purpose: To evaluate the reproducibility and agreement of TMH measurements in non-clinical participants using the Oculus Keratograph 5 M, Medmont Meridia, and Spectral-domain optical coherence tomography (Spectralis SD-OCT). Methods: Fifty-six participants (mean 43.8 ± 22.4 years) were recruited for this cross-sectional study. Image acquisitions were performed on the three devices, sequentially and randomized. The repeatability and reproducibility of inter-observer and inter-device analysis were performed. Repeated measures ANOVA and Bland-Altman Plots were used to evaluate the agreement between devices. Results: The mean TMH with the Oculus Keratograph 5 M, Medmont Meridia and Spectralis SD-OCT were 0.29 ± 0.16 mm, 0.24 ± 0.09 mm and 0.27 ± 0.16 mm, respectively. There were no significant inter-observer differences (paired t-tests, p < 0.001). All the devices exhibited good inter-observer reliability (ICC ≥ 0.877), and good repeatability (CV ≤ 16.53%). Inter-device reliability is moderate (ICC = 0.621, p < 0.001). Repeated measures ANOVA revealed that TMH measurements given by the Spectralis SD-OCT are not significantly different from the Oculus Keratograph 5 M (p = 0.19) and the Medmont Meridia (p = 0.38). TMH measurements from Oculus Keratograph 5 M were significantly higher than those from Medmont Meridia (p = 0.02). Correlations between the mean TMH and the difference in the TMH measurements were positive for Oculus Keratograph 5 M and Medmont Meridia (r2 = 0.62, p < 0.001), negative for Medmont Meridia and Spectralis SD-OCT (r2 = -0.59, p < 0.001), and not significant for Oculus Keratograph 5 M and Spectralis SD-OCT (r2 = 0.05, p = 0.74). A strong correlation was found for TMH measured with all devices (r2 = 0.55 to 0.81, p < 0.001). Conclusions The Oculus Keratograph 5 M, Medmont Meridia, and Spectralis SD-OCT provide reliable and reproducible inter-observer TMH measurements. Inter-device reliability is moderate, with a close correlation between Spectralis SD-OCT and the Oculus Keratograph 5 M. Oculus Keratograph 5 M and Medmont Meridia are repeatable devices appropriate for the measurement of TMH, but they are not interchangeable in clinical practice.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1080/08164622.2024.2341833pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/14530
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relation.publisherversionhttps://www.tandfonline.com/doi/full/10.1080/08164622.2024.2341833pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectMedmont Meridiapt_PT
dc.subjectOculus Keratograph 5Mpt_PT
dc.subjectSpectralis SD-OCTpt_PT
dc.subjectTear meniscus heightpt_PT
dc.titleTear meniscus height agreement and reproducibility between two corneal topographers and spectral-domain optical coherence tomographypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage7pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleClinical and Experimental Optometrypt_PT
person.familyNameSoares
person.familyNameRamalho
person.familyNamePEREIRA BRARDO FERREIRA
person.familyNameNunes
person.givenNameIvo
person.givenNameEva
person.givenNameFRANCISCO MIGUEL
person.givenNameAmélia
person.identifier.ciencia-idBA17-6CBA-6141
person.identifier.ciencia-idC51E-A366-1906
person.identifier.ciencia-id5F11-639B-80DE
person.identifier.orcid0000-0001-6712-7514
person.identifier.orcid0009-0004-0576-3290
person.identifier.orcid0000-0003-0534-3531
person.identifier.orcid0000-0002-5001-3534
person.identifier.ridAFE-8288-2022
person.identifier.scopus-author-id54685121600
person.identifier.scopus-author-id56116935900
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublicationae295107-c2e6-4059-89d9-3cce907197ef
relation.isAuthorOfPublicationde698b1a-4bae-4cad-8a00-064feee87de0
relation.isAuthorOfPublication0fa7c04f-e1aa-45c6-9353-3a4774cdbc14
relation.isAuthorOfPublication.latestForDiscovery0fa7c04f-e1aa-45c6-9353-3a4774cdbc14

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