Abstract
Purpose: To compare the postoperative decentration of three-piece silicone intraocular lenses (IOLs) with polyimide haptics and with polypropylene (PP) haptics and to determine whether the difference was caused by the haptic material.Setting: Kimura Eye and Internal Medicine Hospital and Hitani Eye Clinic, Hiroshima, Japan.Methods: Using a previously described photographic method, we calculated the postoperative decentration in randomly selected patients who had phacoemulsification and capsular bag implantation of three-piece silicone IOLs. In 64 patients, the IOL had polyimide haptics and in 57, PP haptics. One surgeon performed all the surgery using the same technique.Results: Mean decentration of IOLs with polyimide haptics was 0.34 mm ± 0.17 (SD) and of those with PP haptics, 0.48 ± 0.30 mm. Although follow-up of the polyimide group was longer than that of the PP group (12.8 ± 5.7 months and 8.7 ± 4.0 months, respectively), decentration in the polyimide group was significantly smaller (P > .01).Conclusion: The lower rate of postoperative decentration in the IOLs with polyimide haptics was related to the haptic material.
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