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Comparison of clinical outcomes among 3 marking methods for toric intraocular lens implantation

  • Clinical Investigation
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Abstract

Purpose

To compare the clinical outcomes of 3 marking methods for toric intraocular lens (IOL) implantation in cataract patients.

Methods

This study included 48 eyes of 48 cataract patients who underwent cataract surgery with toric IOL implantation. The rotational errors of 3 marking methods—the iris pattern marking method (iris pattern group), the pendulum marking method (pendulum group), and the 3-point marking method (3-point group)—were assessed.

Results

The respective rotational errors were 4.0° ± 3.1° (mean ± SD), 5.3° ± 4.1°, and 7.3° ± 6.0°. The iris pattern group had significantly (P = 0.048) smaller rotational errors than did the 3-point group; no significant difference was found between the iris pattern and pendulum groups. However, the differences in postoperative uncorrected distance visual acuity and astigmatism did not reach significance among the 3 groups.

Conclusion

The refractive and visual results of toric IOL implantation using the 3-point marking method were comparable to the other methods evaluated in this study, although the accuracy of the axis alignment of the toric IOLs was significantly lower than that obtained with the iris pattern method.

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Acknowledgments

We thank Sachiko Maui, Department of Ophthalmology, Keio University School of Medicine, for support with the data collection.

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Authors and Affiliations

  1. Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan

    Hideyuki Onishi, Hidemasa Torii, Kazuhiro Watanabe, Kazuo Tsubota & Kazuno Negishi

Authors
  1. Hideyuki Onishi
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  2. Hidemasa Torii
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  3. Kazuhiro Watanabe
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  4. Kazuo Tsubota
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  5. Kazuno Negishi
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Corresponding author

Correspondence to Kazuno Negishi.

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Conflicts of interest

H. Onishi, None; H. Torii, None; K. Watanabe, None; K. Tsubota, None; K. Negishi, grant (Alcon Laboratories, Inc.), lecture fees (Alcon Japan Ltd.).

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Onishi, H., Torii, H., Watanabe, K. et al. Comparison of clinical outcomes among 3 marking methods for toric intraocular lens implantation. Jpn J Ophthalmol 60, 142–149 (2016). https://doi.org/10.1007/s10384-016-0432-6

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  • DOI: https://doi.org/10.1007/s10384-016-0432-6

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