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Related Experiment Videos

Factors influencing accommodative adaptation.

M Rosenfield1, K J Ciuffreda, B Gilmartin

  • 1Department of Vision Sciences, State College of Optometry, State University of New York, New York.

Optometry and Vision Science : Official Publication of the American Academy of Optometry
|April 1, 1992
PubMed
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Accommodative adaptation, a shift in dark accommodation (DA) after fixation, is influenced by various optical and nonoptical factors. Its complex underlying mechanisms remain unclear due to multiple interacting inputs.

Area of Science:

  • Ophthalmology
  • Vision Science
  • Physiological Optics

Background:

  • Accommodative adaptation describes the shift in dark accommodation (DA) following sustained visual tasks.
  • Numerous parameters are known to influence this adaptive response.

Purpose of the Study:

  • To review optical and nonoptical stimuli affecting accommodative adaptation.
  • To explore the complexity of DA mechanisms.

Main Methods:

  • Literature review of studies on accommodative adaptation.
  • Analysis of optical stimuli (retinal image form).
  • Analysis of nonoptical stimuli (independent of retinal image).

Main Results:

  • Both optical and nonoptical stimuli can induce or modify accommodative adaptation.

Related Experiment Videos

  • DA appears to be an aggregate response to multiple stimuli.

    • Conclusions:

    • The interactions between various inputs influencing DA are complex.
    • The precise mechanism of accommodative adaptation is currently not fully understood.