00804nam a22001697a 4500040003600000082001500036100001700051245007900068260003500147300003100182500016300213500004000376500004500416502005500461546001200516650010600528  cRiphah International University  a621.3bSEE  aSeemab zakir  aImprovement in design of the blind stick for the visually impaired persons  aIslamabadb(unpublished)c2021  a62b: ill,.c; 30 cm.e+CD  aSubmitted in fulfillment of the requirements for the degree of Master of Sciences in Biomedical Engineering to the Faculty of Engineering an Applied Sciences.  aIncludes bibliographical references  aThesis supervisor: Dr. Muhammad Shafique  aThesis (MS)--Riphah International University, 2020  aEnglish  aBiomedical EngineeringvVisually impaired persons vEye substitutionvBlind stickvWalking stickvBME