Measurement of Monochromatic Ocular Aberrations of Human Eyes as a Function of Accommodation by the Howland Aberroscope Technique
Atchison, David A. and Collins, Michael J. and Wildsoet, Christine F. and Christensen, James and Waterworth, Michael D. (1995) Measurement of Monochromatic Ocular Aberrations of Human Eyes as a Function of Accommodation by the Howland Aberroscope Technique. Vision Research, 35(3). pp. 313-323.
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DOI : 10.1016/0042-6989(94)00139-D
Abstract
Further development of the objective version of the Howland and Howland [(1976) Science, 193, 580-582; (1977) Journal of the Optical Society of America, 67, 1508-1518 aberroscope technique for measuring ocular aberrations is described. Compensation for refractive corrections and calibration is discussed. The technique was used to investigate the effect of accommodation upon the monochromatic aberrations of the right eyes of 15 subjects. Coma and coma-like aberrations were the dominant aberrations for most people at different accommodation levels, thus confirming previous findings. Variations in aberrations were considerable between subjects. About half the subjects showed the classical trend towards negative spherical aberration with accommodation. Changes in spherical aberration with accommodation in this study were less than that found in previous studies where all monochromatic aberration was considered to be spherical aberration.
| ID Code: | 884 |
|---|---|
| Item Type: | Journal Article |
| Additional Information : | For more information, please refer to the journal’s website (see hypertext link) or contact the author. Michael Collins, email: m.collins@qut.edu,.au |
| ISSN: | 0042-6989 |
| Subjects: | Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) |
| Divisions: | QUT Faculties and Divisions > Faculty of Health Institutes > Institute of Health and Biomedical Innovation |
| Copyright Owner : | Copyright 1995 Elsevier |
| Deposited On: | 30 Jun 2005 |
| Last Modified: | 03 Dec 2008 12:12 |
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