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A new apparatus for testing stereoscopic vision using a small liquid crystal display Tomoya Handa 1 , Hitoshi Ishikawa 1 , Hiroshi Uozato 1 , Nobuyuki Shoji 1 , Kimiya Shimizu 2 1Dept of Reha,Orthopt and Vis Sci Course,Sch of Allied Health Sci,Kitasato Univ 2Dept of Ophthalmol,Kitasato Univ Sch of Med pp.389-392
Published Date 2007/3/15
DOI https://doi.org/10.11477/mf.1410101565
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Abstract. Purpose:To evaluate our new apparatus for stereoscopic vision regarding its clinical application. Cases and Method:A 4.3-inch liquid crystal screen was used as basis of the stereoscopic apparatus. A new software was used to present stereoscopic figures on the screen. The figures are observed by a binocular separator. This system allows stereoscopic test between parallax of 100 to 2,000 seconds in 20 steps. Thirty healthy volunteers were tested for stereoscopic fision. Results:All the test persons could recognize stereoscopic figures up to 100 seconds. Stereisciouc facility decreased after defocusing the presented figures. Conclusion:The present apparatus allows quantiative evaluation of stereoscopic vision and promises to be clinically useful in future.


Copyright © 2007, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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