Method and device for the subjective determination of...

Details Method and device for the subjective determination of... Method and device for the subjective determination of...

2002-01-28

2008-03-04

Dang, Hung Xuan (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Methods of use

C351S205000

Reexamination Certificate

active

07338173

ABSTRACT:
A device for the subjective determination of aberrations of higher orders Xi in an optical system, in particular in an eye includes at least one observation channel into which defined plates can be introduced, the individual plates having optically active structures which correspond to a defined Zernike polynomial and to a defined amplitude, at least one order Xi of the Zemike polynomial being greater than two.

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Lopez-Gil et al., Generation of Third Order Spherical an Coma Aberrations by use of Radially Symmetrical Fourth Order Lenses, vol. 15, No. 9, Sep. 1998, J. Opt. Soc. Am. A.
Junzhong Liang et al., “Objective measurement of wave aberrations of the human eye with the use of a Hartmann-Shack wave-front sensor”, Optical Society of America, Optics and Image Science, vol. 11, No. 7, pp. 1949-1957, 1994, Heidelberg, Germany.
David Williams' Lab, “Wavefront sensing and the eye's optical quality”, Center for Visual Science, University of Rochester, pp. 1 - 4, Internet: www.cvs.rochester.edu/williamslab/research/option01.html.

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