97th DOG Annual Meeting 1999
COMPLICATIONS OF IRISFIXATED INTRAOCULAR LENSES:
AN ANALYSIS OF 878 EXPLANTS.
G. U. Auffarth,1 Qun Peng,2 D. J Apple2
Purpose: To analyse the reasons that led to explantations of irisfixated intraocular lenses.
Methods: We analysed a database with 878 explanted irisfixated IOLs that have been submitted to the Center for IOL Research in Charleston, SC, over the past two decades.
Results: Most frequent explanted iris fixated IOLs were: Binkhorst 4-loops IOL (191/878), Worst Medaillon IOL (187/878) and Binkhorst 2-loops IOL (182/878). The main reasons for explantation were corneal pathology (57.1%), inflammatory reactions (19.9%) and IOL-decentration (18.2%). Retinal complications occurred in 7%. Fifty to sixty percent of IOLs were explanted during the 6th and 12th postoperative year. Iris fixated IOLs showed an increasing explantation frequence over a period of 10 years.
Conclusions: As iris fixated IOLs are currently also used as phakic implants in high myopic patients, knowledge of their complication profile and reasons for explantation is very valuable. The study showed a high incidence of corneal complications that reached their peak after approximately 10 years implantation time. Phakic iris fixated implants should therefore closely followed up to avoid severe longterm complications.
Dept. of Ophthalmology, University of Heidelberg1, Germany
Center for Research on Ocular Therapeutics and Biodevices,
Storm Eye Institute, Medical University of South Carolina, Charleston, SC, USA2