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Retinal contrast loss with non-monofocal IOLs

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Abstract

Non-monofocal IOLs are designed to give simultaneously sharp images of distant and near objects. This is achieved by means of different focal distances for various portions of the light reaching the eye. As a result, for any given object, one part of the light will be properly focused, while another part is out of focus. This results in a sharp image superposed on a blurred image, causing contrast loss. The retinal contrast loss as a function of spatial frequency is derived in this paper.

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Van Den Berg, T.J.T.P., Ijspeert, J.K. Retinal contrast loss with non-monofocal IOLs. Doc Ophthalmol 78, 161–167 (1991). https://doi.org/10.1007/BF00165676

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  • DOI: https://doi.org/10.1007/BF00165676

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