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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 19, Iss. 3 — Mar. 1, 2002
  • pp: 620–628

Calculated impact of higher-order monochromatic aberrations on retinal image quality in a population of human eyes: erratum

Antonio Guirao, Jason Porter, David R. Williams, and Ian G. Cox  »View Author Affiliations


JOSA A, Vol. 19, Issue 3, pp. 620-628 (2002)
http://dx.doi.org/10.1364/JOSAA.19.000620


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Abstract

Figure 5 was incorrectly printed when this paper was published [J. Opt. Soc. Am. A 19, 1–9 (2002)]. Because the authors believe that the appearance of the wrong figure severely compromised the continuity of their scientific presentation, we are republishing the paper in its entirety. We calculated the impact of higher-order aberrations on retinal image quality and the magnitude of the visual benefit expected from their correction in a large population of human eyes. Wave aberrations for both eyes of 109 normal subjects and 4 keratoconic patients were measured for 3-, 4-, and 5.7-mm pupils with a Shack–Hartmann sensor. Retinal image quality was estimated by means of the modulation transfer function (MTF) in white light. The visual benefit was calculated as the ratio of the MTF when the monochromatic higher-order aberrations are corrected to the MTF corresponding to the best correction of defocus and astigmatism. On average, the impact of the higher-order aberrations for a 5.7-mm pupil in normal eyes is similar to an equivalent defocus of ∼0.3 D. The average visual benefit for normal eyes at 16 c/deg is ∼2.5 for a 5.7-mm pupil and is negligible for small pupils (1.25 for a 3-mm pupil). The benefit varies greatly among eyes, with some normal eyes showing almost no benefit and others a benefit higher than 4 at 16 c/deg across a 5.7-mm pupil. The benefit for keratoconic eyes is much larger. The benefit at 16 c/deg is 12 and 3 for 5.7- and 3-mm pupils, respectively, averaged across four keratoconics. These theoretical benefits could be realized in normal viewing conditions but only under specific conditions.

© 2002 Optical Society of America

OCIS Codes
(330.5370) Vision, color, and visual optics : Physiological optics
(330.7310) Vision, color, and visual optics : Vision

History
Original Manuscript: January 2, 2001
Revised Manuscript: May 7, 2001
Manuscript Accepted: June 13, 2001
Published: March 1, 2002

Citation
Antonio Guirao, Jason Porter, David R. Williams, and Ian G. Cox, "Calculated impact of higher-order monochromatic aberrations on retinal image quality in a population of human eyes: erratum," J. Opt. Soc. Am. A 19, 620-628 (2002)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-19-3-620

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