Adjustable typography: an approach to enhancing low vision text accessibility

Author: Aries Arditi

Source: Ergonomics, Volume 47, Number 5, 15 April 2004 , pp. 469-482(14)

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Abstract:

Millions of people have low vision, a disability condition caused by uncorrectable or partially correctable disorders of the eye. The primary goal of low vision rehabilitation is increasing access to printed material. This paper describes how adjustable typography, a computer graphic approach to enhancing text accessibility, can play a role in this process, by allowing visually-impaired users to customize fonts to maximize legibility according to their own visual needs. Prototype software and initial testing of the concept is described. The results show that visually-impaired users tend to produce a variety of very distinct fonts, and that the adjustment process results in greatly enhanced legibility. But this initial testing has not yet demonstrated increases in legibility over and above the legibility of highly legible standard fonts such as Times New Roman.

Keywords: Low vision; Accessibility; Legibility; Typography; Disability

Document Type: Research article

DOI: http://dx.doi.org/10.1080/0014013031000085680

Publication date: 2004-04-15

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