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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/64600

    Título
    Reliability and agreement of subjective and objective non‐invasive break‐up time measurements in contact lens wearers
    Autor
    Valencia Nieto, LauraAutoridad UVA Orcid
    López De La Rosa, AlbertoAutoridad UVA Orcid
    González García, María JesúsAutoridad UVA Orcid
    López Miguel, AlbertoAutoridad UVA Orcid
    Año del Documento
    2023
    Editorial
    Wiley
    Descripción
    Producción Científica
    Documento Fuente
    Ophthalmic and Physiological Optics, 2023, vol. 44, n. 1, p. 124-130
    Abstract
    Purpose To assess the reliability and agreement of non-invasive break-up time (NIBUT) in symptomatic and asymptomatic contact lens (CL) wearers using automatic objective and conventional subjective techniques. Methods In this prospective cross-sectional study, soft CL wearers, classified into symptomatic and asymptomatic based on the Contact Lens Dry Eye Questionnaire-8, underwent NIBUT assessment with the CL in situ. The CA-800 Corneal Analyzer and the EasyTear® VIEW+ Tearscope were used for objective and subjective evaluation, respectively. The within-subject repeatability and intraclass correlation coefficient (ICC) were calculated. The agreement between the devices was compared using the Bland–Altman method. Results A total of 141 CL wearers (51 male and 90 female) with a mean age of 33.6 (SD = 12.2) years were included. The repeatability and ICC values obtained with the CA-800 device when measuring NIBUT were 5.4 s and 58.6% across the whole sample, 4.2 s and 48.8% for the asymptomatic group and 7.1 s and 68.4% for the symptomatic group. When using the subjective method (EasyTear®), the respective repeatability and ICC values were 7.3 s and 32.7% for the whole sample, 6.5 s and 30.4% for the asymptomatic group and 8.6 s and 35.9% for the symptomatic group. The CA-800 device provided significantly (p < 0.001) shorter NIBUT values compared with EasyTear® for the whole sample (3.3 [2.9] vs. 8.1 [3.4] s), the asymptomatic (3.3 [3.0] vs. 7.7 [3.6] s) and the symptomatic (3.8 [2.9] vs. 8.6 [3.0] s) groups. Conclusion Objective (CA-800) NIBUT assessment provides more reliable measurements than the conventional subjective technique using the EasyTear® device. However, CL practitioners should also be aware that the objective method indicates shorter NIBUT values. Symptomatic CL wearers may also need a higher number of NIBUT measurements to obtain reliable estimations.
    Materias Unesco
    2209.15 Optometría
    Palabras Clave
    Agreement
    CA-800
    Contact lens
    EasyTear® VIEW+
    Non-invasive break-up time
    Repeatability
    ISSN
    0275-5408
    Revisión por pares
    SI
    DOI
    10.1111/opo.13243
    Patrocinador
    Ministerio de Universidades y Fondo Social Europeo, Número de subvención (FPU19/01109)
    Version del Editor
    https://onlinelibrary.wiley.com/doi/10.1111/opo.13243
    Propietario de los Derechos
    © 2023 The Author(s)
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/64600
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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