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      Astigmatism management in cataract surgery with the AcrySof toric intraocular lens.

      Journal of Cataract and Refractive Surgery
      Acrylic Resins, Adult, Aged, Aged, 80 and over, Astigmatism, complications, surgery, Cataract, Comorbidity, Corneal Diseases, Female, Humans, Lens Implantation, Intraocular, Lenses, Intraocular, Male, Middle Aged, Phacoemulsification, Prospective Studies, Refraction, Ocular, physiology, Treatment Outcome, Visual Acuity

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          Abstract

          To present clinical data from a single-center prospective clinical trial of the AcrySof toric intraocular lens (IOL). Academic Hospital Maastricht, Maastricht, The Netherlands. Fifty-three eyes (43 patients) had implantation of an AcrySof toric IOL. Three toric models were evaluated in cylinder powers of 1.50 diopters (D) (SN60T3; T3 group, n = 16), 2.25 D (SN60T4; T4 group, n = 14), and 3.00 D (SN60T5; T5 group, n = 23) at the IOL plane. The T5 group was subdivided into eyes that could be fully corrected (T5a, n = 13) and eyes that could be partially corrected (T5b, n = 10). Four months postoperatively, the mean uncorrected visual acuity (UCVA) was 0.77 +/- 0.23 in the T3 group, 0.93 +/- 0.23 in the T4 group, 0.82 +/- 0.15 in the T5a group, and 0.47 +/- 0.13 in the T5b group. More than 90% of the combined eyes in the T3, T4, and T5a groups achieved a UCVA of 20/40 or better, and almost 80% achieved a UCVA of 20/25 or better. Residual refractive astigmatism of less than 0.75 D was achieved in 74% of eyes and of less than 1.00 D in 91%. The mean IOL misalignment was 2.5 +/- 2.1 degrees in the T3 group, 3.5 +/- 2.3 degrees in the T4 group, and 4.1 +/- 3.5 degrees in the T5 group. Implantation of the AcrySof toric IOL proved to be an effective, safe, and predictable method of managing corneal astigmatism in cataract patients.

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