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Microfluctuations of Steady-state Accommodation and the Cardiopulmonary System

Collins, Michael J., Davis, Brett A., & Wood, Joanne M. (1995) Microfluctuations of Steady-state Accommodation and the Cardiopulmonary System. Vision Research, 35(17), pp. 2491-2502.

Abstract

The relationship between variations in steady-state accommodation (microfluctuations) and rhythmic cycles in cardiopulmonary system was investigated. As previously reported, vascular pulse frequency was consistently correlated with the high frequency component of steady-state accommodation microfluctuations. In a new finding, respiration rate and an associated cycle in the instantaneous pulse rate also showed a correlation with a low frequency component of the accommodation power spectra. This apparent coherence between respiration frequency and an accommodation low frequency component was maintained during rapid breathing and was evident at the expected frequency during regulated breathing patterns. This association may reflect the direct influence of the autonomic nervous system upon the ciliary muscle or may he caused by the modulation of intraocular pulse by the autonomic nervous system.

Impact and interest:

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49 citations in Web of Science®

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ID Code: 882
Item Type: Journal Article
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author. Michael J. Collins (email):m.collins@qut.edu.au
Additional URLs:
ISSN: 0042-6989
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 1995 Elsevier
Deposited On: 21 Mar 2005
Last Modified: 15 Jan 2009 16:34

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