TITLE

Refractive lens exchange with distance-dominant diffractive bifocal intraocular lens implantation

AUTHOR(S)
Alfonso, José F.; Fernández-Vega, Luis; Ortí, Susana; Montés-Micó, Robert
PUB. DATE
October 2010
SOURCE
Graefe's Archive of Clinical & Experimental Ophthalmology;Oct2010, Vol. 248 Issue 10, p1507
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Purpose: To assess efficacy, safety and predictability after refractive lens exchange (RLE) in patients who had bilateral implantation of a distance-dominant diffractive bifocal intraocular lens (IOL). Methods: Seventeen patients (34 eyes) were examined after RLE with bilateral implantation of a diffractive bifocal 447D IOL. Eyes were divided into myopic and hyperopic groups. Monocular uncorrected distance visual acuity, best-corrected distance visual acuity (BCVA), uncorrected distance near visual acuity, and best distance-corrected near visual acuity (BCNVA) were recorded preoperatively and 6 months after surgery. Results: Efficacy indexes were 1.10 for myopic and 0.98 for hyperopic eyes, at 6 months postoperatively. No eye lost ≥ 1 line of BCVA. For the myopic group, four eyes gained 1 line, and six eyes gained ≥ 2 lines; for the hyperopic group, three eyes gained 1 line, and five eyes gained ≥ 2 lines. Safety indexes were 1.21 and 1.08 for myopic and hyperopic eyes respectively. No eye lost ≥ 1 line of BCNVA. Safety indexes at near were 1.02 for myopic and 1.01 for hyperopic eyes. Efficacy indexes at near were 1.02 for myopic and 1.00 for hyperopic eyes. Conclusions: Six-month results of bilateral implantation of a distance-dominant diffractive bifocal IOL for RLE demonstrated efficacy, safety, and predictability in correcting ametropia and presbyopia.
ACCESSION #
52995813

 

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