Aniridie-IOL und künstlicher Irisersatz

Zusammenfassung

Aniridie wird als Fehlen des Irisgewebes definiert, welches partiell, subtotal oder total auftreten kann. Zu den klinischen Symptomen gehören aufgrund des erhöhten Lichteinfalls häufig Photophobie und Einschränkungen des Sehvermögens. Des Weiteren stehen stark störende kosmetische Beeinträchtigungen im Vordergrund. Zur visuellen und kosmetischen Rehabilitation eignen sich moderne Irisimplantate. Zu ihnen zählen Aniridie-Intraokularlinsen (IOL), Iris-Segment-Implantate oder die „künstliche Iris“. Verschiedene Gesamt- und Pupillendurchmesser ermöglichen es, partielle und vollständige Irisrekonstruktionen durchzuführen. Mit Aniridie-IOLs kann gleichzeitig eine Aphakie oder Katarakt behandelt werden. Die Implantate können sowohl mittels intra- als auch extrakapsulärer Fixation eingesetzt werden. Die „künstliche Iris“ kann gefaltet und durch kleine Inzisionen implantiert werden. Die individuelle Farbauswahl steigert die Patientenzufriedenheit postoperativ.

Abstract

Aniridia is defined as missing iris tissue which can be partial, subtotal or total. Characteristic clinical symptoms include photophobia and decreased visual acuity due to an increased light perception. In addition, disturbing cosmetic problems are prevalent. Modern iris reconstruction implants offer visual and cosmetic rehabilitation. Amongst them are aniridia intraocular lenses (IOL), iris segment implants and the “artificial iris”. Different overall and pupil diameters are available for total or partial implants. At the same time aphakia or cataract can be treated when using aniridia IOLs. Intra- and extracapsular fixation is possible. The “artificial iris” can be folded and implanted through small incisions. The aesthetic results are improved significantly due to customised colour selection providing increased patient satisfaction postoperatively.

Schlüsselwörter

Aniridie-IOL - Irisersatz - Irisrekonstruktion - künstliche Iris - Iris-Segment-Implantat

Key words

aniridia-IOL - iris substitute - iris reconstruction - artificial iris - iris-segment implant

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