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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: Vision Res. 2010 Mar 23;50(11):1041–1047. doi: 10.1016/j.visres.2010.03.012

Figure 1.

Figure 1

The co-ordinate system for the Fourier model. The lens anterior surface was placed in quadrants II and III and the posterior surface was placed in the quadrants I and IV. T and D represent the thickness and diameter of the lens.