Restoring lost eyesight − Visual prostheses

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  • YAGI Tohru
    Graduate School of Information Science and Engineering, Tokyo Institute of Technology

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  • 失われた視覚を取り戻す―人工視覚
  • ウシナワレタ シカク オ トリモドス ジンコウ シカク

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Abstract

<p>A visual prosthesis is an artificial organ to restore vision in blind patients by applying electrical stimulation to the visual nervous system. My group has been studying “biohybrid” visual prostheses, which combine the characteristics of regenerative medicine and visual prostheses. We have recently been conducting trials on a new stimulation electrode, that contains tubular membrane proteins. Using this electrode, named a proteoelectrode, we can control the membrane potential through the pores formed by tubular membrane proteins. In experiments we observed the assembly of a lipid bilayer and the formation of pores by the fluorescence imaging of ion indicators. This method might be effective as a simple technique for evaluating proteoelectrodes.</p>

Journal

  • Oyo Buturi

    Oyo Buturi 80 (2), 116-119, 2011-02-10

    The Japan Society of Applied Physics

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