Funktionelle Ergebnisse 3 Monate nach Implantation einer „Extended-Range-of-Vision“-Intraokularlinse

Zusammenfassung

Ziel: Beurteilung der visuellen und refraktiven Ergebnisse 3 Monate nach Implantation einer „Extended-Range-of-Vision“-Intraokularlinse (ERV-IOL) im Rahmen der Kataraktoperation. Methode: In einer prospektiven multizentrischen Studie wurde bei Patienten mit einem kalkulierten postoperativen Astigmatismus ≤ 1,5 dpt im Rahmen der Kataraktoperation eine diffraktive ERV-IOL (TECNIS Symfony, Modell ZXR00, Abbott Medical Optics, USA) implantiert. Drei Monate postoperativ wurden der monokulare und binokulare Nah-, Intermediär- und Fernvisus, unkorrigiert und korrigiert, sowie die Refraktion evaluiert. Ergebnis: 18 Patienten (36 Augen) mit einem mittleren Alter von 63,4 ± 4,6 Jahren wurden im Rahmen der Studie bilateral an einer Katarakt operiert. Drei Monate postoperativ zeigte sich ein binokularer unkorrigierter Fernvisus (UDVA) von logMAR − 0,05 ± 0,11 bei einem korrigierten Fernvisus (CDVA) von logMAR − 0,14 ± 0,05. Der unkorrigierte binokulare Intermediärvisus (DIVA) lag bei logMAR − 0,09 ± 0,02, der binokulare unkorrigierte Nahvisus (UNVA) bei logMAR 0,19 ± 0,09. Eine postoperative Zielrefraktion von ± 0,75 erreichten 89 % der Patienten. Schlussfolgerung: Die Implantation einer ERV-Intraokularlinse bietet eine effektive Wiederherstellung für das Sehen in der Ferne und im Intermediärbereich. Auch in der Nähe erreichen die Patienten ein funktionelles Sehvermögen.

Abstract

Purpose: Evaluation of the visual and refractive results 3 months after implantation of a diffractive extended range of vision (ERV) intraocular lens (IOL) during cataract surgery. Methods: In a prospective multicentre study, patients with a calculated postoperative corneal astigmatism of ≤ 1.5 D received a diffractive ERV IOL (TECNIS Symfony, model ZXR00, Abbott Medical Optics, USA) during cataract surgery. After 3 months, the monocular and binocular corrected and uncorrected far, intermediate and near visual acuity, as well as refraction, were evaluated. Results: 18 patients (36 eyes) with a mean age of 63.34 ± 4.6 years underwent bilateral cataract surgery. After 3 months, the binocular uncorrected distance visual acuity (UDVA) of logMAR was − 0.05 ± 0.11 and the corrected distance visual acuity (CDVA) of logMAR − 0.14 ± 0.05. Binocular uncorrected intermediate (UIVA) and near visual acuity (UNVA) were logMAR − 0.09 ± 0.02 and 0.19 ± 0.09, respectively. A target refraction of ± 0.75 D was reached by 89 % of the patients. Conclusion: Implantation of an extended range of vision intraocular lens offers an effective way for visual rehabilitation at far and intermediate distances. Near vision is still in a functional range.

Schlüsselwörter

Katarakt - refraktive Chirurgie - multifokale Intraokularlinsen - Extended-Range-of-Vision-IOL

Key words

cataract - refractive surgery - multifocal intraocular lenses - extended range of vision IOL

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