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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. 12, Iss. 7 — Jul. 1, 1995
  • pp: 1411–1416

Optical performances of human eyes derived from double-pass measurements

Junzhong Liang and Gerald Westheimer  »View Author Affiliations


JOSA A, Vol. 12, Issue 7, pp. 1411-1416 (1995)
http://dx.doi.org/10.1364/JOSAA.12.001411


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Abstract

Point-spread functions (PSF’s) of human eyes at medium pupil size (3.5 mm) were derived from double-pass measurements. It was demonstrated that reliable information on PSF shape in the central 7-arcmin radius can be obtained in spite of uncertainty about the height and extent of the tail of the double-pass image. Measurements from some healthy young eyes (of subjects 21–31 years old) and several older eyes (of subjects 63–75 years old) with good acuity revealed little difference in the half-width at half-height of the PSF, but, owing to the higher tail in their PSF’s, the Strehl ratio of the older eyes is much lower. Computation of the modulation transfer functions of the older eyes revealed a more prominent loss at low spatial frequencies.

© 1995 Optical Society of America

History
Original Manuscript: August 26, 1994
Revised Manuscript: February 7, 1995
Manuscript Accepted: February 13, 1995
Published: July 1, 1995

Citation
Junzhong Liang and Gerald Westheimer, "Optical performances of human eyes derived from double-pass measurements," J. Opt. Soc. Am. A 12, 1411-1416 (1995)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-12-7-1411

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