The Optacon (OPtical to TActile CONverter) is an electromechanical device that enables blind people to read printed material that has not been transcribed into Braille.
Read more about Optacon: Description, History, Previous History of Blind Reading Machine Development, Funding For Optacon Research and Development, Development of The Optacon, Optacon Integrated Circuit Development, Optacon Electronics, Optics, and Packaging, Optacon Training, From Commercialization To Discontinuance