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  • Title: Visual quality after diffractive intraocular lens implantation in eyes with previous myopic laser in situ keratomileusis.
    Author: Alfonso JF, Madrid-Costa D, Poo-López A, Montés-Micó R.
    Journal: J Cataract Refract Surg; 2008 Nov; 34(11):1848-54. PubMed ID: 19006729.
    Abstract:
    PURPOSE: To evaluate distance, intermediate, and near visual quality in eyes having diffractive intraocular lens (IOL) implantation after previous myopic laser in situ keratomileusis (LASIK). SETTING: Fernández-Vega Ophthalmological Institute, Oviedo, Spain. METHODS: Best corrected distance visual acuity at 12.5%, 25%, and 100% contrasts under photopic and mesopic conditions, best distance-corrected near visual acuity, defocus curve, and corneal higher-order aberrations (HOAs) were measured in eyes with a spherical AcrySof ReSTOR SNA60D3 IOL or aspherical Acri.LISA 366D IOL after myopic LASIK and in phakic eyes after myopic LASIK (control group). RESULTS: Under photopic conditions at 100% contrast, best corrected distance acuity was 0.1 logMAR or better in all groups. At 25% and 12.5%, there were no statistically significant differences between the Acri.LISA and AcrySof ReSTOR groups or the Acri.LISA and control groups (P >.01). The control group had better best corrected distance acuity than the AcrySof ReSTOR group (P = .0002 and P < .0001 at 25% and 12.5%, respectively). Under mesopic conditions, the Acri.LISA group had better best corrected distance acuity than the AcrySof ReSTOR group at all contrasts (P > .01). The best distance-corrected near acuity was comparable in the 2 IOL groups (P < .01). Intermediate visual acuity was statistically significantly better in the Acri.LISA group than in the AcrySof ReSTOR group (P < .01). There were no statistically significant differences in HOAs between the 3 groups (P > .01). CONCLUSIONS: Both multifocal IOLs provided good and comparable visual acuity at distance and near. However, the aspherical Acri.LISA IOL gave better intermediate visual acuity than the spherical AcrySof ReSTOR IOL.
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