1. Articles from Masahide Takahashi

    1-3 of 3
    1. Comparison of angle-to-angle distance using three devices in normal eyes

      Comparison of angle-to-angle distance using three devices in normal eyes

      Purpose To compare the angle-to-angle (ATA) distance, and the repeatability and the reproducibility of these measurements among the three devices. Methods We performed the ATA measurements in 26 healthy subjects using anterior segment optical coherence tomography (CASIA2, Tomey, Japan), the Scheimpflug camera (Pentacam HR, Oculus, Wetzlar, Germany), and the combined Placido-ring corneal topography and Scheimpflug camera (TMS-5, Tomey). We also compared the repeatability and the reproducibility of the ATA measurements among these three devices. Results The ATA in the CASIA2 group was significantly larger than that in the Pentacam group (Bonferroni test, p  = 0.002), or that in the TMS-5 ...

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    2. Comparison of angle-to-angle distance using three devices in normal eyes

      Comparison of angle-to-angle distance using three devices in normal eyes

      Purpose To compare the angle-to-angle (ATA) distance, and the repeatability and the reproducibility of these measurements among the three devices. Methods We performed the ATA measurements in 26 healthy subjects using anterior segment optical coherence tomography (CASIA2, Tomey, Japan), the Scheimpflug camera (Pentacam HR, Oculus, Wetzlar, Germany), and the combined Placido-ring corneal topography and Scheimpflug camera (TMS-5, Tomey). We also compared the repeatability and the reproducibility of the ATA measurements among these three devices. Results The ATA in the CASIA2 group was significantly larger than that in the Pentacam group (Bonferroni test, p  = 0.002), or that in the TMS-5 ...

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    3. Keratoconus detection using deep learning of colour-coded maps with anterior segment optical coherence tomography: a diagnostic accuracy study

      Keratoconus detection using deep learning of colour-coded maps with anterior segment optical coherence tomography: a diagnostic accuracy study

      Objective To evaluate the diagnostic accuracy of keratoconus using deep learning of the colour-coded maps measured with the swept-source anterior segment optical coherence tomography (AS-OCT). Design A diagnostic accuracy study. Setting A single-centre study. Participants A total of 304 keratoconic eyes (grade 1 (108 eyes), 2 (75 eyes), 3 (42 eyes) and 4 (79 eyes)) according to the Amsler-Krumeich classification, and 239 age-matched healthy eyes. Main outcome measures The diagnostic accuracy of keratoconus using deep learning of six colour-coded maps (anterior elevation, anterior curvature, posterior elevation, posterior curvature, total refractive power and pachymetry map). Results Deep learning of the arithmetical ...

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    1-3 of 3
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  2. Topics in the News

    1. (2 articles) Kitasato University
    2. (2 articles) Tomey Corporation
    3. (1 articles) University College London
    4. (1 articles) Universidade Federal de São Paulo
    5. (1 articles) Northwestern University
    6. (1 articles) Dresden University of Technology
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    12. (1 articles) Topcon Medical Systems
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