Dynamic accommodation responses to stationary colored targets

David A. Atchison, Niall C. Strang, Lawrence R. Stark

Research output: Contribution to journalArticle

Abstract

When the targets or the background in a display are different colors, longitudinal chromatic aberration ensures that there is no single correct accommodative response. The purpose of the present study was to determine whether the response becomes more variable when viewing certain multicolor displays. Accommodative responses of five young participants were measured with a dynamic infrared optometer while they viewed steady targets at a nominal stimulus level of 3 D. Target-on-background color combinations were black on white, black on blue, black on red, blue on red, red on blue, dark blue on red, and dark red on blue. In most individuals, viewing multichromatic targets does not increase significantly the variation in accommodative response as compared with broadband black-and-white targets.

Original languageEnglish
JournalOptometry and Vision Science
Publication statusPublished - 1 Sep 2004

Keywords

  • accommodation responses
  • stationary coloured targets
  • vision sciences

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