Share Email Print

Journal of Biomedical Optics

Fast and robust estimation of ophthalmic wavefront aberrations
Author(s): Keith Dillon
Format Member Price Non-Member Price
PDF $20.00 $25.00

Paper Abstract

Rapidly rising levels of myopia, particularly in the developing world, have led to an increased need for inexpensive and automated approaches to optometry. A simple and robust technique is provided for estimating major ophthalmic aberrations using a gradient-based wavefront sensor. The approach is based on the use of numerical calculations to produce diverse combinations of phase components, followed by Fourier transforms to calculate the coefficients. The approach does not utilize phase unwrapping nor iterative solution of inverse problems. This makes the method very fast and tolerant to image artifacts, which do not need to be detected and masked or interpolated as is needed in other techniques. These features make it a promising algorithm on which to base low-cost devices for applications that may have limited access to expert maintenance and operation.

Paper Details

Date Published: 7 December 2016
PDF: 10 pages
J. Biomed. Opt. 21(12) 121511 doi: 10.1117/1.JBO.21.12.121511
Published in: Journal of Biomedical Optics Volume 21, Issue 12
Show Author Affiliations
Keith Dillon, Tulane Univ. (United States)
Formulens (United States)

© SPIE. Terms of Use
Back to Top