Can Visually Impaired Smartphone Users Correctly Manipulate Tiny Screen Keyboards Under a Screen Reader Condition?

  • Takashi OhashiEmail author
  • Takahiro Miura
  • Masatsugu Sakajiri
  • Junji Onishi
  • Tsukasa Ono
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9758)


Accessibility functions on touchscreen computers improved user experience of people with visual impairments. Regardless of this situation, they have some problems using touchscreen interfaces including smartphones and tablets. The reason includes the arrangements of accessible objects may differ for visually impaired users because of the manipulations under screen readers are different from those without screen readers, the characteristics of desired object sizes and arrangements on the touchscreen computers for the visually impaired remain unclear. The purpose of this research is to find a way for the visually impaired to accurately and efficiently manipulate the keyboard. This study especially seeks to find the optimum conditions for the number and sizes of buttons (including the area) for the visually impaired. For this purpose, we developed an experimental application.


Visually impaired people Smartphone Software keyboard Screen reader 



This work was partially supported by JSPS KAKENHI Grant Numbers 26285210, 15K04540, and 15K01015. We are also grateful to the students of the Tsukuba University of Technology for their great help.


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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Takashi Ohashi
    • 1
    Email author
  • Takahiro Miura
    • 2
  • Masatsugu Sakajiri
    • 1
  • Junji Onishi
    • 1
  • Tsukasa Ono
    • 1
  1. 1.Faculty of Health ScienceTsukuba University of TechnologyTsukubaJapan
  2. 2.Institute of GerontologyThe University of TokyoBunkyo-kuJapan

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