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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 33, Iss. 19 — Jul. 1, 1994
  • pp: 4120–4124

Hartmann test modification for measuring ophthalmic progressive lenses

C. Castellini, F. Francini, and B. Tiribilli  »View Author Affiliations


Applied Optics, Vol. 33, Issue 19, pp. 4120-4124 (1994)
http://dx.doi.org/10.1364/AO.33.004120


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Abstract

We describe a modified verion of the Hartmann test in which the pattern of the holes is replaced with a circular scanning laser beam. A position-sensitive detector is used to acquire the coordinates of the deflected beam. Significant data are obtained when the Fourier transform of the detector output signals is considered. Application of this test method to the mapping of optical parameters of ophthalmic progressive addition lenses is presented. Prismatic deviation, spherical power, and astigmatism are measured with appropriate accuracy.

© 1994 Optical Society of America

History
Original Manuscript: August 23, 1993
Revised Manuscript: November 22, 1993
Published: July 1, 1994

Citation
C. Castellini, F. Francini, and B. Tiribilli, "Hartmann test modification for measuring ophthalmic progressive lenses," Appl. Opt. 33, 4120-4124 (1994)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-33-19-4120

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