A computer aided drawing system evaluation with early and late blind users

Fernando, Sandra and Ohene-Djan, James. 2022. A computer aided drawing system evaluation with early and late blind users. Assistive Technology: The Official Journal of RESNA, 34(4), pp. 392-401. ISSN 1040-0435 [Article]

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Abstract or Description

The present lack of suitable and efficient graphics creation techniques may place limitations on the career progression and life contentment of blind students. It is challenging for a BVI (Blind and Visually Impaired) person to draw diagrams or art, which are commonly taught in education or used in industry. The SETUP09 graphics creation system was developed to address a need for blind users to be able to create such content and consists of both navigation and computer aided drawing techniques, enabling graphics creation and manipulation through command language and intuitive, matrix-style movement. The technique can facilitate a user’s ability to produce art and scientific diagrams electronically. This paper presents a comparative system evaluation of digital versus analogue drawing techniques with early and late blind individuals. Users were tested using different graphics creation tasks to assess the accuracy and efficiency of an analogue drawing technique compared with the digital SETUP09 system. The results confirmed that the SETUP09 compass-based graphics creation technique allows greater accuracy in completing a drawing task, with a noticeable reduction in effort compared to analogue drawing techniques.

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“This is an Accepted Manuscript of an article published by Taylor & Francis in Assistive Technology: The Official Journal of RESNA on 5 February 2021, available online: http://www.tandfonline.com/10.1080/10400435.2020.1829745. It is deposited under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited.”


education, universal design, usability, visual impairment

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23 September 2020Accepted
5 February 2021Published Online

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Date Deposited:

22 Dec 2021 11:00

Last Modified:

15 Aug 2022 13:51

Peer Reviewed:

Yes, this version has been peer-reviewed.



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