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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/75174

    Título
    Reliability and agreement of apparent chord mu measurements between static and dynamic evaluations
    Autor
    Martínez Plaza, ElenaAutoridad UVA
    Marcos, Mario
    López De La Rosa, AlbertoAutoridad UVA Orcid
    López Miguel, AlbertoAutoridad UVA Orcid
    Maldonado López, Miguel JoséAutoridad UVA Orcid
    Año del Documento
    2023
    Documento Fuente
    Journal of Cataract & Refractive Surgery, 2023, vol. 49, n. 1, p. 21-28.
    Résumé
    Purpose: To assess the repeatability and agreement of Cartesian coordinates and the length of apparent chord mu and pupil diameter measurements during static (Galilei G4) and dynamic (Topolyzer Vario) evaluations. Setting: IOBA-Eye Institute, Valladolid, Spain. Design: Case series. Methods: 3 consecutive measurements per scenario (Galilei G4 and Topolyzer Vario under low mesopic and photopic conditions) were performed by the same clinician. The intrasession repeatability was assessed using the within-subject SD (Sw), the precision, the coefficient of variation, and the intraclass correlation coefficient (ICC). The agreement was analyzed using repeated-measures analysis of variance and the Bland-Altman method. Results: Thirty-seven healthy participants were recruited. The Sw values for chord mu parameters and pupil diameter ranged from 0.01 to 0.03 and 0.08 to 0.21, respectively. The ICC was ≥0.89 for all parameters. Galilei G4 and Topolyzer Vario under low mesopic and photopic conditions provided significantly different measures of apparent chord mu length (0.23 ± 0.11 mm, 0.30 ± 0.10 mm, and 0.25 ± 0.11 mm, respectively, P ≤ .02), X-coordinate (-0.18 ± 0.12 mm, -0.27 ± 0.11 mm, and -0.21 ± 0.12 mm, respectively, P < .001), and pupil diameter (3.38 ± 0.50 mm, 6.29 ± 0.60 mm, and 3.04 ± 0.41 mm, respectively, P < .001). Y-coordinate values obtained by Galilei G4 and Topolyzer Vario under low mesopic conditions were significantly different (0.06 ± 0.13 mm vs 0.03 ± 0.11 mm, respectively, P = .02), in contrast to Galilei G4 and Topolyzer Vario under photopic conditions (0.05 ± 0.13 mm, P = .82) and both illumination conditions of Topolyzer Vario (P ≥ .23). Conclusions: Galilei G4 and Topolyzer Vario provide consistent measurements of apparent chord mu Cartesian coordinates and length, as well as pupil diameter; however, the measurements are not interchangeable. Ophthalmic surgeons should consider these findings when planning customized intraocular lens implantation and refractive surgery procedures.
    Palabras Clave
    Chord mu
    Scheimpflug and Placido-disk technology
    repeatability
    agreement
    ISSN
    0886-3350
    Revisión por pares
    SI
    DOI
    10.1097/j.jcrs.0000000000001036
    Version del Editor
    https://journals.lww.com/jcrs/abstract/2023/01000/reliability_and_agreement_of_apparent_chord_mu.6.aspx
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/75174
    Tipo de versión
    info:eu-repo/semantics/draft
    Derechos
    restrictedAccess
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    • DEP11 - Artículos de revista [242]
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    Reliability and agreement of apparent Chord mu measurements with Galilei G4.pdf
    Tamaño:
    1.507Mo
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    Atribución-NoComercial-SinDerivados 4.0 InternacionalExcepté là où spécifié autrement, la license de ce document est décrite en tant que Atribución-NoComercial-SinDerivados 4.0 Internacional

    Universidad de Valladolid

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