Changes in through-focus spatial visual performance with adaptive optics correction of monochromatic aberrations
Guo, Huanqing, Atchison, David A., & Birt, Benjamin J. (2008) Changes in through-focus spatial visual performance with adaptive optics correction of monochromatic aberrations. Vision Research, 48(17), pp. 1804-1811.
We determined the influence of adaptive optics correction on through-focus illiterate-E visual acuity and through-focus contrast sensitivity under monochromatic conditions. In two subjects, adaptive optics improved high and low (12 %) contrast in-focus visual acuity by 0.1 to 0.15 logMAR, but resulted in more rapid and more symmetrical deterioration in visual acuity away from in-focus. In one subject, adaptive optics improved in-focus contrast sensitivity and resulted in more symmetrical and greater loss of contrast sensitivity about the peak sensitivity because of correction of higher order aberrations. The results show that full correction of higher order aberrations may worsen spatial visual performance in the presence of some defocus.
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|Item Type:||Journal Article|
|Keywords:||Aberrations, Adaptive optics, Contrast sensitivity, Defocus, Spatial visual performance, Visual Acuity|
|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) > Optometry and Ophthalmology not elsewhere classified (111399)
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Optometry & Vision Science
|Copyright Owner:||Copyright 2008 Elsevier|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher.|
|Deposited On:||03 Feb 2009 00:38|
|Last Modified:||29 Feb 2012 13:51|
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