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Evaluation of a new low vision aid utilizing cellular phone with built-in camera Kazuaki Takahashi 1 , Yuma Shinomiya 2 , Shinjiro Murayama 3 1Takahashi Eye Clin 2Dept of Orthoptics and Vis Sci,Intern Univ of Health and Welfare 3Dept of Low Vision,Information Hero's pp.1661-1664
Published Date 2006/9/15
DOI https://doi.org/10.11477/mf.1410100935
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Abstract. Purpose:To evaluate the newly developed low vision aid(LVA)utilizing cellular phone with built-in camera. Objects and Method:The new LVA was tested by 30 persons. They comprised 10 persons each with normal vision,low vision and color anomaly. Low vision persons had corrected visual acuity of 0.3 or less in better-seeing eye. Letters printed on a visiting card were used as test optotypes. Visibility of optotypes was numerically evaluated. Results:All the three groups gave higher grades of satisfaction regarding visibility with the new LVA than conventional reading aid. Color-anomalous persons gave positive remarks on color-conversion mode in the new LVA. Conclusion:The new LVA has solved several defects in conventional LVA. It is also possible to download new softwares through the cellular phone.


Copyright © 2006, 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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