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. Author manuscript; available in PMC: 2008 Sep 1.
Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2007 Sep;24(9):2783–2796. doi: 10.1364/josaa.24.002783

Fig. 1.

Fig. 1

(Color online) Pupil sampling patterns used in the measurement of the ocular aberrations for this work. (a) The different sampling spatial distributions include, from left to right, equally spaced hexagonal (H), rectangular (R), and circular (C), distributions and polar distributions with 49 coordinates corresponding to zeros of the Albrecht, Jacobi, and Legendre functions (A49, J49, and L49, respectively). (b) The different sampling densities include patterns with 19, 37, 91, and 177 samples over a 6 mm pupil. Asterisks indicate those patterns used only for artificial eyes.