Journal ArticleAuthors William LoughboroughJournalJournal of Visual Impairment & BlindnessVolume73Issue6Year of Publication1979URLhttps://journals.sagepub.com/doi/10.1177/0145482X7907300606(link is external)DOI(link is external)Google Scholar(link is external)Related Centers, Labs, ProjectsRehabilitation Engineering Research CenterWalking directions from the Hotel Kabuki, Japantown to our conference venue at Calvary Presbyterian Church, Pacific Heights