The effect of proximity on open-loop accommodation responses measured with pinholes

Research output: Contribution to journalArticle

Abstract

Open-loop accommodation levels were measured in 41 healthy, young subjects using a Shin-Nippon SRW-5000 autorefractor in the three viewing conditions: a small physical pinhole pupil (SP), an optically projected pinhole in Maxwellian view (MV) and in the dark (DF). The target viewed through the pinholes was a high-contrast letter presented at 0 D vergence in a +5 D Badal lens system. Overall, results showed that SP open-loop accommodation levels were significantly higher than MV and DF levels.

Original languageEnglish
Pages (from-to)365-370
Number of pages6
JournalOphthalmic and Physiological Optics
Volume30
Issue number4
DOIs
Publication statusPublished - 1 Jul 2010

Keywords

  • accommodation responses
  • vision sciences

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