Long-term efficacy and rotational stability of AcrySof toric intraocular lens implantation in cataract surgery

Myung Hun Kim, Tae-Young Chung, Eui-Sang Chung, Myung Hun Kim, Tae-Young Chung, Eui-Sang Chung

Abstract

Purpose: To evaluate the long-term efficacy and rotational stability of the AcrySof toric intraocular lens (IOL) in correcting preoperative astigmatism in cataract patients.

Methods: This prospective observational study included 30 eyes from 24 consecutive patients who underwent implantation of an AcrySof toric IOL with micro-coaxial cataract surgery between May 2008 and September 2008. Outcomes of visual acuity, refractive and keratometric astigmatism, and IOL rotation after 1 day, 1 month, 3 months, and long-term (mean, 13.3+/-5.0 months) follow-up were evaluated.

Results: At final follow-up, 73.3% of eyes showed an uncorrected visual acuity of 20/25 or better. The postoperative keratometric value was not different from the preoperative value; mean refractive astigmatism was reduced to -0.28+/-0.38 diopter (D) from -1.28+/-0.48 D. The mean rotation of the toric IOL was 3.45+/-3.39 degrees at final follow-up. One eye (3.3%) exhibited IOL rotation of 10.3 degrees, the remaining eyes (96.7%) had IOL rotation of less than 10 degrees.

Conclusions: Early postoperative and long-term follow-up showed that implantation of the AcrySof toric IOL is an effective, safe, and predictable method for managing corneal astigmatism in cataract patients.

Keywords: Astigmatism; Cataract surgery; Toric intraocular lens.

Conflict of interest statement

No potential conflict of interest relevant to this article was reported.

Figures

Fig. 1
Fig. 1
Visual outcomes. Both postoperative uncorrected visual acuity (UCVA) and best spectacle-corrected visual acuity (BCVA) were significantly improved when compared with preoperative values (p<0.05) (mean final follow-up, 13.3±5.0 months). LogMAR=logarithm of the minimum angle of resolution.
Fig. 2
Fig. 2
Refractive outcome. Mean refractive cylinder significantly improved compared to preoperative values during all follow-up periods (mean final follow-up, 13.3±5.0 months). D=diopter.
Fig. 3
Fig. 3
Change in refractive cylinder. D=diopter.
Fig. 4
Fig. 4
Rotation of toric intraocular lenses at final follow-up.
Fig. 5
Fig. 5
Mean absolute rotation of the toric intraocular lens over time (mean final follow-up, 13.3±5.0 months).

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Source: PubMed

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