Abstract

We modified a commercial Hartmann–Shack aberrometer and used it to measure ocular aberrations twice at each of 38 points across the central 42°horizontal×32°vertical visual fields of five young emmetropic subjects. Some Zernike aberration coefficients show coefficient field distributions that were similar to the field dependence predicted by Seidel theory (astigmatism, oblique astigmatism, horizontal coma, vertical coma), but defocus did not demonstrate such similarity.

© 2008 Optical Society of America

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References

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2007

2006

D. A. Atchison, J. Biomed. Opt. 11, 034026 (2006).
[CrossRef]

2005

L. Lundström, P. Unsbo, and J. Gustafsson, J. Biomed. Opt. 10, 034002 (2005).
[CrossRef] [PubMed]

2002

1999

1998

J. Biomed. Opt.

L. Lundström, P. Unsbo, and J. Gustafsson, J. Biomed. Opt. 10, 034002 (2005).
[CrossRef] [PubMed]

D. A. Atchison, J. Biomed. Opt. 11, 034026 (2006).
[CrossRef]

J. Opt. Soc. Am. A

Vision Res.

A. Guirao and P. Artal, Vision Res. 39, 207 (1999).
[CrossRef] [PubMed]

Other

D. Neal, COAS Product Manager, Wavefront Sciences Inc., 14820 Central Ave. SE, Albuquerque, NM 87123 (personal communication, 2006).

Standards Australia/Standards New Zealand, “Safety of laser products,” Tech Rep.AS/NZS 2211.1:2004 (Standards Australia/Standards New Zealand, 2004).

G. Smith and D. A. Atchison, in The Eye and Visual Optical Instruments (Cambridge U. Press, 1997), p. 601.
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Schematic of the setup showing the measurement of peripheral aberrations of an eye looking through a beam splitter at a target eccentric to the instrument axis.

Fig. 2
Fig. 2

Aberration coefficients, HORMS aberration, and total rms aberrations excluding defocus across the visual field for subject AM. Unit is micrometers.

Fig. 3
Fig. 3

Aberration coefficients, HORMS aberration, and total rms aberrations excluding defocus across the visual field for subject BB. Unit is micrometers.

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