外来で行える簡易眼球反対回旋検査(健常成人) : 赤外線CCD付き Frenzel 眼鏡を使用して The Dolls' Eyes Manoeuvre in Head Tilt in Roll in Normal Subjects

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著者

    • 岡田 智幸 OKADA Tomoyuki
    • 聖マリアンナ医科大学耳鼻咽喉科学教室 Department of Otolaryngology, St. Marianna University, School of Medicine
    • 肥塚 泉 KOIZUKA Izumi
    • 聖マリアンナ医科大学耳鼻咽喉科学教室 Department of Otolaryngology, St. Marianna University, School of Medicine

抄録

The dolls' eyes manoeuvre in head tilt in roll (DM), recognised as one of the otolith function tests from Bárány's era in 1906 and treated as a classic test in the roll plane which yields ocular counter-rolling (OCR), was investigated in normal subjects. The DM is a simple, safe, and sound test but has not yet become quantitative. Recently, we devised a new three-dimensional eye movement image analysis technique using a commercialised infrared CCD camera, a personal computer, and public domain software. Image analysis was performed automatically using the public domain software NIH Image.<BR>As the result of the DM, OCRs in particular torsional components of eye movements, of which analysis was performed by NIH Image, were performed by seven healthy normal subjects sampled among fifty normal subjects.<BR>Six subjects were able to perform smooth OCRs under our critical instruction, except one subject wearing soft contact lens. They all reported no perception disorder and experienced had no sickness during the DM.<BR>In a future study, we would like to apply the DM to patients with Meniere's disease (MD). The histopathological feature of MD is defined as endolymphatic hydrops (EH) and EH initially involves the whole inner ear system. If possible, to detect EH in the inner ear organs, we would like to investigate whether or not there is any abnormality of OCRs in MD patients. The DM can be useful to detect such abnormalities, non-invasively.

収録刊行物

  • Equilibrium research  

    Equilibrium research 65(6), 440-446, 2006-12-01 

    Japan Society for Equilibrium Research

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各種コード

  • NII論文ID(NAID)
    10021289685
  • NII書誌ID(NCID)
    AN00001485
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03855716
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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