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Opt Express. 2010 Mar 1;18(5):5245-56. doi: 10.1364/OE.18.005245.

Comparison of the efficiency, MTF and chromatic properties of four diffractive bifocal intraocular lens designs.

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Université de Lyon, F-42023 Saint-Etienne, France.


The aim of this paper is to compare the properties of four different profiles which can be used as multifocal intraocular lens. The Hankel transform based on the theory of scalar diffraction is applied to a binary profile, a parabolic one, a parabolic profile with holes, and finally a sinusoidal one. This enables to study the various distributions of the diffractive efficiencies and the axial chromatism. The image quality is evaluated by means of simulations of the MTFs with Zemax. Finally we propose a new way to graphically synthesize all the properties of these lenses, using a radar graph.

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