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Kane, Shaun K. – ProQuest LLC, 2011
Using touch screens presents a number of usability and accessibility challenges for blind people. Most touch screen-based user interfaces are optimized for visual interaction, and are therefore difficult or impossible to use without vision. This dissertation presents an approach to redesigning gesture-based user interfaces to enable blind people…
Descriptors: Computer Assisted Instruction, Vision, Interaction, Educational Technology
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Patel, K. K.; Vij, S. – IEEE Transactions on Learning Technologies, 2012
The inability to navigate independently and interact with the wider world is one of the most significant handicaps that can be caused by blindness, second only to the inability to communicate through reading and writing. Many difficulties are encountered when visually impaired people (VIP) need to visit new and unknown places. Current speech or…
Descriptors: Foreign Countries, Computer Simulation, Computer Assisted Instruction, Simulated Environment