Ocular aberrations of human eyes
We have modified an aberroscope technique, developed by Horvland and Howland, to investigate the influence of: 1. Refractive error and 2. Accommodation on ocular aberrations. These authors analysed drawings made by subjects of retinal shadows generated by a rectangular grid pattern mounted between crossed +5 D and -5 D cylindrical lenses and a point light source.
We have developed the method further by using a fundus camera to photograph these shadow pattens. Preliminary data show that third-order- coma-like aberrations are usually the dominant foveal aberrations, and that there is a trend from positive spherical aberration torwards negative spherical aberration in some accommodating eyes that have been obseeved previously with other measurement techniques.
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|Item Type:||Conference Paper|
|Additional Information:||Abstract published in Clinical and Experimental Optometry, 74(6), pp. 213|
|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:||03 Nov 2014 04:43|
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