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Pupil size, mean accommodation response and the fluctations of accommodation

Stark, Lawrence R. & Atchison, David A. (1997) Pupil size, mean accommodation response and the fluctations of accommodation. Ophthalmic and Physiological Optics, 17(4), pp. 316-323.

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Abstract

We wished to determine how pupil size and mean accommodation response level interact to influence the fluctuations of accommodation. A dynamic infra-red optometer was used to record accommodation responses while subjects viewed a steady target at two stimulus levels (1.5 and 3 D) through four pupils (1, 2, 4 and 6 mm). It was found for most subjects that the fluctuations of accommodation increase at higher mean accommodation response levels, and small pupils lead to an increase in the low frequency (but not the high frequency) fluctuations of accommodation. The effects of mean accommodation response are independent of pupil size, and the effects of pupil size are independent of mean response level.

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ID Code: 5162
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see link) or contact the author. Author contact details: d.atchison@qut.edu.au
Keywords: pupil size, accommodation, fluctuation
DOI: 10.1046/j.1475-1313.1997.96000907.x
ISSN: 0275-5408
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 1997 Blackwell Publishing
Copyright Statement: The definitive version is available at www.blackwell-synergy.com
Deposited On: 09 Oct 2006
Last Modified: 15 Jan 2009 17:12

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