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Data were retrospectively collected in 176 eyes of 176 patients before and 1\u00a0month, 1, 3, 5, and 8\u00a0years after phacoemulsification and implantation of a toric IOL. Preoperative corneal and postoperative manifest astigmatism was analyzed by converting to power vector notations; horizontal\/vertical (J<jats:sub>0<\/jats:sub>) and oblique (J<jats:sub>45<\/jats:sub>) astigmatism components. Toric IOL implantation significantly reduced pre-existing astigmatism by decreasing J<jats:sub>0<\/jats:sub> in eyes with preoperative with-the-rule (WTR) astigmatism, increasing J<jats:sub>0<\/jats:sub> in eyes with against-the-rule (ATR) astigmatism, and correcting J<jats:sub>45<\/jats:sub> in eyes with oblique astigmatism. After surgery, the eyes with preoperative ATR astigmatism showed a significant ATR astigmatic shift, and J<jats:sub>0<\/jats:sub> at 5 and 8\u00a0years was significantly smaller than that at 1\u00a0month postoperatively. Uncorrected distance visual acuity was also significantly worse at 5 and 8\u00a0years than at 1\u00a0month postoperatively. In eyes with WTR and oblique astigmatism, the effects of toric IOLs on astigmatism and visual acuity were sustained for 8\u00a0years. The long-term astigmatism-correcting effects did not differ among the models of toric IOL used in this study, SN6AT3\u20138 (Alcon Laboratories). In eyes with preoperative ATR astigmatism, astigmatism-correcting effects of toric IOLs decreased at 5\u00a0years and later postoperatively, indicating that overcorrection may be considered at the time of cataract surgery. 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