Short-term effects of text-background color combinations on the dynamics of the accommodative response.

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ID: 71162
2019
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Abstract
The purpose of the present study was to assess the accommodative response and pupillary dynamics while reading passages with different text-background color combinations on an LCD screen. Twenty healthy young adults read fourteen 2-min passages designed with fourteen different color combinations between text and background, while the accommodative and pupil responses were continuously measured with a binocular open-field autorefractometer. Our results revealed that the text-background color combination modulates the accommodative and pupillary dynamics during a 2-minutes reading task. The blue-red combination induced a heightened accommodative response, whereas positive polarities were associated with more variability of the accommodative response and smaller pupil sizes. Participants reported lower perceived ratings of legibility for text-background color combination with lower luminance contrast (white-yellow). The manipulation of text-background color did not have a significant effect on reading speed. These results may have important applications in the design of digital visual interfaces.
Reference Key
jimnez2019shorttermvision Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Jiménez, Raimundo;Redondo, Beatriz;Molina, Rubén;Martínez-Domingo, Miguel Ángel;Hernández-Andrés, Javier;Vera, Jesús;
Journal vision research
Year 2019
DOI
S0042-6989(19)30212-3
URL
Keywords
color accommodative response legibility pupillary dynamics reading speed

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