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J Opt Soc Am A Opt Image Sci Vis. 2006 Oct;23(10):2551-65.

Tomographic method for measurement of the gradient refractive index of the crystalline lens. II. The rotationally symmetrical lens.

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1
Area de Optica, Departamento de Fisica Aplicada, Universidade de Santiago de Compostela, Spain. dvazquez@usc.es

Abstract

In the first part of this paper we presented a tomographic method to reconstruct the refractive index profile of spherically symmetrical lenses. Here we perform the generalization to lenses that are rotationally symmetrical around the optical axis, as is the ideal human lens. Analysis of the accuracy and versatility of this method is carried out by performing numerical simulations in which different magnitudes of experimental errors and two extreme case scenarios for the likely shape of the refractive index distribution of the human lens are considered. Finally, experimental results for a porcine lens are shown. Conceptually simple and computationally swift, this method could prove to be a valuable tool for the accurate retrieval of the gradient index of a broad spectrum of rotationally symmetrical crystalline lenses.

PMID:
16985540
[Indexed for MEDLINE]
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