title: Prosthetic vision. Workers resume the quest for a seeing-eye device.
authors.forename: K
authors.initials: K
authors.lastname: Leutwyler
mesh_terms: D001766:Blindness / Q000628:therapy; D005137:Eye, Artificial; D006801:Humans; D012682:Sensory Aids; D014785:Vision, Ocular / Q000502:physiology*