PROBLEM TO BE SOLVED: To provide an apparatus for assisting vision recovery capable of reducing burdens on tissue, being installed in a living body for a long period of time and suitably executing electrical stimulation.SOLUTION: In the apparatus for assisting vision recovery provided with a plurality of electrodes 44 formed on a prescribed substrate 43 for electrically stimulating cells or the tissue constituting a vision nervous system forming the vision of a patient and a control means connected to the electrodes 44 by a wire 41 for making electrical stimulation pulse signals be outputted from the electrodes, the electrode is provided with a hole 46 for forming a recess on the surface of the electrode so as to secure a desired surface area.COPYRIGHT: (C)2009,JPO&INPIT【課題】組織への負担を低減すると共に、生体に長期設置でき、電気刺激を好適に行うことのできる視覚再生補助装置を提供する。【解決手段】所定の基板43上に形成され患者の視覚を形成する視覚神経系を構成する細胞又は組織を電気刺激するための複数の電極44と、該電極44にワイヤ41で接続され電気刺激パルス信号を前記電極から出力させる制御手段と、を備える視覚再生補助装置において、前記電極は所望する表面積を確保するために電極の表面に凹部を形成する孔46を設けた。【選択図】図3