2014
DOI: 10.5935/0004-2749.20140093
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Influence of aspheric intraocular lens on frequency doubling technology and contrast sensitivity: a fellow eye study

Abstract: Purpose: To evaluate whether implantation of an aspheric intraocular lens (IOL) results in reduced ocular aberrations and improved contrast sensitivity after cataract surgery and, therefore, changes on frequency-doubling technology (FDT) testing. Methods: The present prospective clinical study enrolled 25 patients with bilateral cataract (50 eyes), who randomly received either an aspheric (Akreos AO) or a spherical (Akreos Fit) IOL in one eye and the other IOL in the second eye. Assessment 12 months postoperat… Show more

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“…Contrast sensitivity after phacoemulsification has been studied for follow-up periods shorter than one year [ 6 , 17 , 18 ]. Espíndola et al [ 19 ] reported improved contrast sensitivity after phacoemulsification implantation of an aspherical monofocal IOL with a spherical surface lens, especially at low and intermediate spatial frequencies. Similarly, we found that 2.0 mm microincision phacoemulsification with aspheric monofocal IOL implantation significantly improved contrast sensitivity at low and intermediate spatial frequencies of 3, 6, and 12 cycles per degree between 1 week and 1 year postoperatively.…”
Section: Discussionmentioning
confidence: 99%
“…Contrast sensitivity after phacoemulsification has been studied for follow-up periods shorter than one year [ 6 , 17 , 18 ]. Espíndola et al [ 19 ] reported improved contrast sensitivity after phacoemulsification implantation of an aspherical monofocal IOL with a spherical surface lens, especially at low and intermediate spatial frequencies. Similarly, we found that 2.0 mm microincision phacoemulsification with aspheric monofocal IOL implantation significantly improved contrast sensitivity at low and intermediate spatial frequencies of 3, 6, and 12 cycles per degree between 1 week and 1 year postoperatively.…”
Section: Discussionmentioning
confidence: 99%