Abstract
Evaluation of: Pandita D, Raj SM, Vasavada VA, Vasavada VA, Kazi NS, Vasavada AR. Contrast sensitivity and glare disability after implantation of AcrySof IQ natural aspherical intraocular lens: prospective randomized masked clinical trial. J. Cataract Refract. Surg. 33, 603–610 (2007).Intraocular lens (IOL) design is one of the major factors influencing visual function in pseudophakic eyes. Eyes implanted with a spherical IOL showed a reduction in the optical quality, caused, in part, by the increased positive spherical aberration of the IOL. Aspheric IOLs with negative spherical aberrations have been developed to compensate for the positive spherical aberrations of the cornea. Thus, aspheric IOLs have been used to increase the optical quality of pseudophakic eyes and, consequently, their visual quality. The paper under evaluation offers the results of a study assessing the contrast sensitivity and glare disability, as patient’s visual performance indexes, after implantation of an aspheric IOL. This study demonstrates that eyes implanted with the AcrySof® IQ aspheric IOL had significantly higher contrast sensitivity than those spherical IOLs under mesopic conditions, with and without glare.
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