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  Ishihara Test Book ( Colour Blindness )

  Other Hobbies - Bhubaneswar (Orissa) - November 13, 2017 Check with seller

  http://www.trishir.com The designs and shapes enable simplified testing of children and those with cognitive conditions where identification of numbers may not be possible. Unlike the Ishihara patterns that may be found online and viewed over a compu...