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Evaluation of factors affecting visual acuity after Descemet stripping automated endothelial keratoplasty

  • Clinical Investigation
  • Published:
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Abstract

Purpose

To elucidate the factors affecting visual acuity after Descemet stripping automated endothelial keratoplasty (DSAEK).

Methods

We reviewed consecutive patients who underwent primary DSAEK for corneal endothelial dysfunction at Inouye Eye Hospital from January 2010 through January 2015 and who had a follow-up of at least 6 months. Fifty-four eyes of 49 patients (24 men and 25 women) were enrolled; the mean age was 72.5 ± 8.7 years. Medical charts were retrospectively examined for best spectacle-corrected visual acuity (BSCVA), intraocular pressure, keratometric value, keratometric cylinder, grade of preoperative corneal edema, preoperative graft thickness, and endothelial cell density (ECD) before and at 1, 3, 6, 12, and 24 months after surgery. A multiple regression analysis was used to evaluate the factors associated with BSCVA at 3, 6 months, and 1 year after surgery. Explanatory variables included age, sex, preoperative factors (BSCVA, degree of corneal edema, donor ECD, and graft thickness), and factors at each time point (keratometric value, keratometric cylinder, and intraocular pressure).

Results

The mean logarithms of the minimum angle of resolution (logMAR) BSCVA preoperatively and at 1, 3, 6, and 12 months after surgery were 1.03 ± 0.49, 0.42 ± 0.26, 0.29 ± 0.21, 0.24 ± 0.20, and 0.22 ± 0.20, respectively. Multiple regression analysis showed that preoperative BSCVA alone was significantly associated with BSCVA at 3, 6, and 12 months.

Conclusion

A better preoperative BSCVA was associated with a better BSCVA after DSAEK, which suggests that DSAEK should be considered earlier than stromal changes such as subepithelial fibrosis occurrence.

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Authors and Affiliations

  1. Inouye Eye Hospital, 4-3 Kandasurugadai, Chiyoda-ku, Tokyo, 101-0062, Japan

    Shiro Amano, Akira Setogawa & Kenji Inoue

Authors
  1. Shiro Amano
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  2. Akira Setogawa
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  3. Kenji Inoue
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Corresponding author

Correspondence to Shiro Amano.

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Conflicts of interest

S. Amano, Grants (Alcon, AMO, HOYA, Otsuka Pharmaceutical, Santen Pharmaceutical, Senju Pharmaceutical), Lecture fees (Alcon, AMO, HOYA, Otsuka Pharmaceutical, Santen Pharmaceutical, Senju Pharmaceutical); A. Setogawa, None; K. Inoue, None.

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Amano, S., Setogawa, A. & Inoue, K. Evaluation of factors affecting visual acuity after Descemet stripping automated endothelial keratoplasty. Jpn J Ophthalmol 61, 137–141 (2017). https://doi.org/10.1007/s10384-016-0491-8

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  • DOI: https://doi.org/10.1007/s10384-016-0491-8

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