Positioning Tolerances for Phase Plates Compensating Aberrations of the Human Eye
Applied Optics, Vol. 39, Issue 19, pp. 3413-3420 (2000)
http://dx.doi.org/10.1364/AO.39.003413
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Abstract
The positioning tolerances for phase plates used to compensate human eye aberrations are analyzed. Lateral displacements, in-plane rotations, and axial translations are considered, describing analytic and numerical procedures to compute the maximum degree of compensation achievable in each case. The compensation loss is found to be dependent both on the kind and the amount of misalignment and on the particular composition of the aberration pattern of each subject in terms of Zernike polynomials. We applied these procedures to a set of human eye aberrations measured with the laser ray-tracing method. The general trend of results suggests that lateral positioning, followed by angular positioning, are the key factors affecting compensation performance in practical setups, whereas axial positioning has far less stringent requirements.
© 2000 Optical Society of America
[Optical Society of America ]
OCIS Codes
(080.1010) Geometric optics : Aberrations (global)
(080.2740) Geometric optics : Geometric optical design
(170.0110) Medical optics and biotechnology : Imaging systems
(220.1000) Optical design and fabrication : Aberration compensation
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
Citation
Salvador Bará, Teresa Mancebo, and Esther Moreno-Barriuso, "Positioning Tolerances for Phase Plates Compensating Aberrations of the Human Eye," Appl. Opt. 39, 3413-3420 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-19-3413
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