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Binocular summation of astigmatism with reference to monovision

Collins, Michael J., Brown, Brian, & Chamberlain, Stephanie (1991) Binocular summation of astigmatism with reference to monovision. Clinical and Experimental Optometry, 74, p. 219.

Abstract

Binocular summation is the basic mechanism underlying the use of monovision correction. In this experiment we have investigated the effect of uncorrected astigmatism (1.00DC) on binocular visual acuity with and without monovision. Low levels of uncorrected astigmatism have only a small effect on binocular visual acuity under normal binocular viewing conditions. However under monovision conditions, low levels of uncorrected astigmatism have a significantly greater effect on binocular visual acuity. This presumably occurs because of the diminished opportunity for binocular summation under monovision conditions. To conduct this experiment we designed a new acuity chart (the Donut chart), based on circular targets, which provided a gap resolution task which was not orientation dependent.

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ID Code: 12212
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see hypertext link) or contact the author. NOTE: The contents of this journal from 1998 to 2005 can be freely accessed online via the journal’s web page (see link).
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ISSN: 0816-4622
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Vision Science (111303)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Optical Technology (111302)
Divisions: Current > Research Centres > Centre for Health Research
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 1991 Optometrists Association Australia
Deposited On: 25 Jan 2008
Last Modified: 22 Apr 2010 02:31

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