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Visual Perception Elicited by Electrical Stimulation of Retina in Blind Humans

Archives of Ophthalmology · 1996 · Vol. 114(1) · pp. 40–40

Mark S. Humayun✉(Johns Hopkins University)

Abstract

Local electrical stimulation of the retinal surface in patients blind from outer retinal disease results in focal light perception that seems to arise from the stimulated area. Such findings in an acute experiment warrant further research into the possibility of prolonged retinal stimulation, improved resolution, and ultimately, an intraocular visual prosthesis.

Neuroscience and Neural Engineering Advanced Memory and Neural Computing EEG and Brain-Computer InterfacesPhospheneVisual prosthesisRetinalOphthalmologyStimulationRetinal implantBlind spotRetinitis pigmentosaMedicineVisual acuity

MeSH terms

AdultAgedAged, 80 and overBlindnessElectric StimulationFeasibility StudiesHumansMaleMicroelectrodesMiddle AgedRetinaRetinal DegenerationVisual PerceptionProstheses and Implants

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608

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Perceptual Efficacy of Electrical Stimulation of Human Retina with a Microelectrode Array during Short-Term Surgical Trials