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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 78 (1991), S. 161-167 
    ISSN: 1573-2622
    Keywords: Intraocular implant lenses ; IOL ; non-monofocal lenses ; bifocal lenses ; multifocal lenses ; diffraction lenses ; modulation transfer function ; contrast sensitivity function ; straylight ; glare
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: 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.
    Type of Medium: Electronic Resource
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