Investigating the mechanisms that may underlie the reduction in contrast sensitivity during dynamic accommodation

Sven Muche, Velitchko Manahilov, Niall C. Strang, Dirk Seidel, Lyle S. Gray, Uma Shahani

Research output: Contribution to journalArticle

Abstract

Head and eye movements, together with ocular accommodation enable us to explore our visual environment. The stability of this environment is maintained during saccadic and vergence eye movements due to reduced contrast sensitivity to low spatial frequency information. Our recent work has revealed a new type of selective reduction of contrast sensitivity to high spatial frequency patterns during the fast phase of dynamic accommodation responses compared with steady-state accommodation. Here were report data which show a strong correlation between the effects of reduced contrast sensitivity during dynamic accommodation and velocity of accommodation responses, elicited by ramp changes in accommodative demand.

Original languageEnglish
Article number5
JournalJournal of Vision
Volume10
Issue number5
DOIs
Publication statusPublished - May 2010

Keywords

  • accommodation
  • vision sciences

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