Problems in the measurement of wavefront aberration for eyes implanted with diffractive bifocal and multifocal intralocular lenses

被引：72
作者：
Charman, W. Neil [1 ]
Montes-Mico, Robert [2 ]
Radhakrishnan, Hema [1 ]
机构：
[1] Univ Manchester, Fac Life Sci, Manchester M60 1QD, Lancs, England
[2] Univ Valencia, Human Visual Performance Res Grp, Dept Opt, Fac Phys, Valencia, Spain
来源：
JOURNAL OF REFRACTIVE SURGERY | 2008年 / 24卷 / 03期
关键词：
D O I：
10.3928/1081597X-20080301-10
中图分类号：
R77 [眼科学];
学科分类号：
100212 ;
摘要：
PURPOSE: To determine the origin of the wavefront aberration as measured in eyes fitted with diffractive intraocular lenses (IOLs). METHODS: Wavefront aberration was measured by Shack-Hartmann aberrometry in 2 eyes fitted with diffractive bifocal contact lenses and 10 eyes implanted with Acrysof ReSTOR multifocal IOLs. RESULTS: Problems were encountered as a result of the multiple wavefronts generated by the diffractive lenses and their dependence on wavelength. These led to ambiguities in the positions of the Shack-Hartmann spot images and in the form of the derived wavefronts. CONCLUSIONS: Aberrometry may not provide reliable information on the wavefront aberration associated with either the distance or near power of diffractive IOLs.
引用
收藏
页码：280 / 286
页数：7
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