A visual restoration aiding device for restoring vision of a patient, comprises: a signal generation unit including a substrate to be placed on an outer side of a choroid of a patients eye and a plurality of electrodes arranged on the substrate for applying electrical stimulation pulse signals to cells constituting a retina a photographing unit which photographs an object to be recognized by the patient and a processing unit which converts image data obtained by the photographing unit to data for electrical stimulation pulse signal and transmits the converted data to the signal generation unit: wherein, based on the data for electrical stimulation pulse signal transmitted from the processing unit, the signal generation unit forms a waveform of an electrical stimulation pulse signal to be outputted from each electrode into a biphasic rectangular wave including rectangular waves of opposite polarities, and sets a pulse width of the electrical stimulation pulse signal to 0.2 msec. or more and 2 msec. or less.
