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Year : 2014  |  Volume : 9  |  Issue : 3  |  Page : 324-328

Cataract Surgery in Eyes with Low Corneal Astigmatism: Implantation of the Acrysof IQ Toric SN6AT2 Intraocular Lens

1 Queensland Eye Specialists, Bundaberg, Queensland, Australia
2 School of Optometry and Vision Science, Queensland University of Technology, Kelvin Grove, Queensland, Australia

Correspondence Address:
Jaskirat S Aujla
Queensland Eye Specialists, 21 Walker Street, Bundaberg, Queensland 4670
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2008-322X.143369

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Purpose: To assess the refractive and visual outcomes following cataract surgery and implantation of the AcrySof IQ Toric SN6AT2 intraolcular lens (IOL) (Alcon Laboratories, Inc., Fort Worth, TX, USA) in patients with low corneal astigmatism. Methods: This study is a retrospective, consecutive, single surgeon series of 98 eyes of 88 patients (with low preoperative corneal astigmatism) undergoing cataract surgery and implantation of the AcrySof IQ Toric SN6AT2 IOL. Postoperative measurements were obtained 1-month postsurgery. Main outcome measures were monocular distance visual acuity and residual refractive astigmatism. Results: Mean preoperative corneal astigmatic power vector (APV) was 0.38±0.09 D. Following surgery and implantation of the toric IOL, mean postoperative refractive APV was 0.13±0.10 D. Mean postoperative distance uncorrected visual acuity was 0.08±0.09 logMAR. Postoperative spherical equivalent refraction (SER) resulted in a mean of –0.23±0.22 D, with 96% of eyes falling within 0.50 D of the target SER. Conclusion: The AcrySof IQ Toric SN6AT2 IOL is a safe and effective option for eyes undergoing cataract surgery with low levels of preoperative corneal astigmatism.

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