Título : Comparación de la refracción subjetiva binocular guiada por el sistema Chronos con la refracción subjetiva binocular hecha por un optometrista como Gold Standard |
Autor : del Val Sánchez-Pacheco, Elena |
Tutor: Bañuls Roca, José |
Editor : Universidad Miguel Hernández |
Departamento: Departamentos de la UMH::Medicina Clínica |
Fecha de publicación: 2022-05-26 |
URI : https://hdl.handle.net/11000/27882 |
Resumen :
Introducción: Se comparó un nuevo equipo de refracción subjetiva binocular guiada
(Chronos) con la refracción subjetiva realizada por un optometrista experimentado como Gold Standard.
Material y métodos: Realizamos un estudio observacional transversal, aleatorizado y doble ciego en una muestra de... Ver más
Introduction: A new binocular-guided subjective refraction device (Chronos) was compared with subjective refraction performed by an experienced optometrist as the Gold Standard. Material and methods: We conducted a cross-sectional, randomized, double-blind observational study in a sample of 43 patients’ right eyes, 24 men (55.8%) and 19 women
(44.2%) with a median of 54 years and interquartile range (42-64). The subjects were selected using the inclusion criteria of the absence of previous ocular pathology and the exclusion criteria of the Chronos system. Each patient was graded by the Chronos team, obtaining subjective binocular refraction and visual acuity for far and near, assisted by an optometrist. Refractive results were analyzed by mean spherical equivalent (M) and cylindrical and vertical and oblique components (J0 and J45).
Results: Spearman's correlation coefficients were calculated for the variables M0, J0 and J45 between the Chronos and the optometrist, obtaining a strong positive correlation of 0.983, 0.804 and 0.777, respectively, with p<0.01 for the 3 in distance refraction. For distance refraction, the coefficients were 0.973, 0.727 and 0.754, respectively, with p<0.01. Visual acuity obtained a lower positive correlation for distance refraction of 0.634 and p<0.01 and for near refraction of 0.259 and p<0.05, the latter being the only one that was statistically significant. There were no statistically significant differences between men and women or in patients ≥40 years. Conclusions: The subjective binocular refraction guided by the Chronos device shows very similar values to the refraction performed by an optometrist, both in the spherical and cylindrical components and in visual acuity, except in near vision where the differences are statistically significant.
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Palabras clave/Materias: refracción subjetiva auto refractómetro agudeza visual optometrista subjective refraction autorefractometer visual acuity optometrist |
Área de conocimiento : CDU: Ciencias aplicadas: Medicina: Patología. Medicina clínica. Oncología |
Tipo de documento : info:eu-repo/semantics/masterThesis |
Derechos de acceso: info:eu-repo/semantics/openAccess Attribution-NonCommercial-NoDerivatives 4.0 Internacional |
Aparece en las colecciones: TFM- M.U de Investigación en Medicina Clínica
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