Resolution testing of intraocular lenses

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Abstract
A basic goal associated with the manufacture of intraocular lenses (IOLs) is that they not be vision limiting. Manufacturers must therefore test IOL resolution against some minimum requirement. Currently, American National Standards Institute voluntary standard Z80.7-1984 addresses IOL optical requirements. One criterion of this standard is a minimum resolving power of 100 line-pairs-permillimeter. This report presents some results of lens testing that suggest this standard is inadequate because it may not control the performance of a large enough fraction of the optic aperture.