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C. da Reitz Pereira, M. Rauser, L. Labree; Anterior Capsule Contraction Syndrome with the AcrySof® SA60AT Acrylic Lens . Invest. Ophthalmol. Vis. Sci. 2003;44(13):269.
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Purpose: To compare the incidence of anterior capsule contraction syndrome (ACCS) between 2 acrylic intraocular lenses (IOLs): AcrySof® SA60AT (Alcon) and AcrySof® MA60BM (Alcon). Although cases of ACCS associated with different IOLs have been reported, comparable information for the ACCS with the AcrySof® SA60AT IOL has not been reported to our knowledge. The purpose of this report was to document the incidence of ACCS needing neodynium:YAG anterior capsulotomies, in patients receiving the SA60AT and MA60BM IOLs. Methods: Charts for all patients who had standardized cataract surgery performed by one surgeon (MR) within the Loma Linda University Health Care System between 7/10/00 and 6/17/02 were reviewed. The type of IOL used, the duration of post-operative follow-up, as well the presence of ACCS was noted. For cases of ACCS, defined as the anterior capsule being visible through an undilated pupil, the diameters of the anterior capsule and photographs prior to treatment with Nd:YAG capsulotomy were reviewed. Eyes sustaining intraoperative capsular tears, demonstrating postoperative active infectious processes, with postoperative retained cortical material, or postoperative follow-up of less than 1 month were excluded. The Fischer's exact test was used to compare the incidence of ACCS between the 2 groups. Results: Of the 418 surgeries meeting the inclusion criteria, 230 received the SA60AT IOL, and 188 received the MA60BM IOL. The mean postoperative follow-up time was 3.24 months (range 1 to 13 months) for the SA60AT group, and 6.42 months (range 1 to 27 months) for the MA60BM group. Six of the 230 eyes (2.6%) receiving the AcrySof® SA60AT IOL developed ACCS, as compared to 0 of 188 eyes receiving the AcrySof® MA60BM IOL (p=0.03). The mean time of development of ACCS postoperatively was 3.3 months (range 1-12 months). The mean diameter of the anterior capsular opening prior to treatment with Nd:YAG capsulotomy was 2.8mm x 3mm. Conclusion: The newer generation AcrySof® SA60AT IOL produces a significantly higher incidence of ACCS compared to the AcrySof® MA60BM IOL. This may be due to the difference in haptic design and material of the 2 groups of IOLs.
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