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Bilateral implantation of IOL safe, effective for ametropia and presbyopia
Graefes Arch Clin Exp Ophthalmol. 2010;248(10):1507-1514.
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Bilateral implantation of a distance-dominant diffractive bifocal IOL is safe, effective and predictable in correcting ametropia and presbyopia after refractive lens exchange, according to 6-month study results.
Of the 34 eyes of 17 patients examined after refractive lens exchange, no eye lost one line or more of best corrected visual acuity or best corrected near visual acuity.
Patients underwent bilateral implantation of a diffractive bifocal IOL with 447 D and were divided into myopic and hyperopic groups.
In the myopic group, four eyes gained one line, and six eyes gained two or more lines. In the hyperopic group, three eyes gained one line, and five eyes gained two or more lines.
At 6 months postoperatively, efficacy indexes were 1.10 for myopic and 0.98 for hyperopic eyes, and safety indexes were 1.21 and 1.08 for myopic and hyperopic eyes, respectively.
Efficacy indexes at near were 1.02 for myopic and 1.00 for hyperopic eyes, and safety indexes at near were 1.02 and 1.01 for myopic and hyperopic eyes, respectively, according to the study.