Abstract
Cataract surgery via phacoemulsification with intraocular lens (IOL) placement in the capsular bag is the gold standard in the presence of adequate capsular support. However, when capsule and/or zonular fibers are weak or absent, alternate fixation strategies are required. Common alternative options include retropupillary iris-claw IOLs (RP-IC IOLs) and scleral-fixated IOLs (SF IOLs). In the present review of 87 articles with 2174 eyes implanted with RP-IC IOLs and 2980 eyes with SF IOLs, we discuss the published literature with respect to safety and efficacy. Although the studies reporting outcomes of these IOLs have been performed in patients with different concomitant conditions, visual and refractive outcomes were found to be comparable between RP-IC IOLs and SF IOLs. RP-IC IOL implantation seemed to provide equivalent or a potentially lower rate of complications than SF IOL implantation. Data from the literature also suggest that the surgical technique of RP-IC IOL implantation is relatively simpler with correspondingly shorter surgical times.
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