Abstract
Abstract: The See Color is a color coding system based on Braille writing to communicate colors to people with visual impairments. This study assessed the perception of the theme Temperature by blind people, by using the See Color code on two isarithmic tactile maps and the perception of subjects with normal color vision. An average temperature map of Australia had 10 classes, but these intervals were regrouped into four classes on Corel Draw software. The new map was duplicated in the digital project in A4 size, both included the See Color code in two color schemes obtained from the Color Brewer website. Subsequently, they were laser-printed on swell paper to produce the tactile relief. The chromatic perception was observed, as well as the thermal sensations that the colors could represent for blind participants (06), normally sighted participants in basic education (23), and normally sighted participants in higher education (20). In this research, the See Color code showed the potential to provide spatial knowledge as a graphic language through colors in color maps for adventitiously blind and for normally sighted participants based on their perception of colors and tactile color codes.
Highlights
The Brazilian Ophthalmology Council (2019) defines blindness as a vision impairment that makes the people’s routine tasks impractical, even if they have certain degrees of residual vision, and total blindness as the complete loss of vision, including the inability to perceive light
Blind participants were categorized according to their type of blindness, that is, congenitally blind (CB) or adventitiously blind (AB)
The qualitative analysis of the participants’ chromatic perception was observed, as well as the thermal sensations that the colors could represent for blind participants, normally sighted participants in basic education and normally sighted participants in higher education
Summary
The Brazilian Ophthalmology Council (2019) defines blindness as a vision impairment that makes the people’s routine tasks impractical, even if they have certain degrees of residual vision, and total blindness as the complete loss of vision, including the inability to perceive light. Assistive technology consists “of products, equipment, devices, resources, methodologies, strategies, practices, and services that promote functionality related to the activity and participation of people with disabilities or reduced mobility, aiming at their autonomy, independence, quality of life and social inclusion” Brasil, 2015. In this context, tactile maps can be considered as assistive technology resources in education, as a means for teaching Geography, or in architectural projects for accessibility, guidance and indoor or outdoor mobility, supporting visually impaired users to reach conclusions and spatial decisions
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