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Refractive outcomes of scleral-sutured posterior chamber intraocular lenses in post-traumatic eyes

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Abstract

Purpose

To evaluate the refractive outcomes of scleral-sutured IOL 2 mm posterior to the limbus in post-traumatic eyes using SRK/T formula.

Methods

This single-center retrospective case series included 35 eyes from 35 post-traumatic patients undergoing scleral-suture of ErgomaX IOLs by a single experienced surgeon. Preoperative predicted refraction, procedure-related complications, and postoperative spherical equivalent (SE) at least 1 month after surgery were recorded. The prediction error (PE) was calculated as the difference between the postoperative SE and preoperative predicted refraction.

Results

Of the 35 post-traumatic patients, 28 patients were aphakia without capsular support, and 7 patients were traumatic lens dislocation or subluxation. The mean age at surgery was 56.03 ± 14.56 years and 28 patients were men (80%). The mean postoperative spherical equivalent (SE) and postoperative astigmatism were − 1.23 ± 0.82 D and 1.57 ± 1.14 D, respectively. The mean prediction error (ME) of SRK/T formula was − 0.17 D. The mean absolute error (MAE) was 0.48D. The prediction accuracy was 60.0% for refractive errors of ± 0.50 D and 85.7% for refractive errors of ± 1.00D. Multiple linear regression analyses revealed that IOL power has positive correlation with PE.

Conclusion

Assumption of in-the-bag IOL position when calculating IOL (52501TY, ErgomaX) power for standardizing scleral-sutured IOL 2 mm posterior to the limbus demonstrates acceptable refractive outcomes. The accuracy of IOL power calculation using the SRK/T formula for eyes needing low IOL power or high IOL power may be affected by the uncertain position of postoperative IOL and further studies are needed.

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This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

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  1. Wenlong Wei and Haishuang Lin have contributed equally to this work.

Authors and Affiliations

  1. The Eye Hospital, School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, 325027, China

    Wenlong Wei, Siyi Wang, Shengsheng Bai & Zhenquan Zhao

  2. Wenzhou Medical University, Wenzhou, 325027, China

    Haishuang Lin & Xuanli Zheng

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Correspondence to Zhenquan Zhao.

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Wenlong Wei declares that he has no conflict of interest. Haishuang Lin declares that she has no conflict of interest. Xuanli Zheng declares that she has no conflict of interest. Siyi Wang declares that he has no conflict of interest. Shengsheng Bai declares that he has no conflict of interest. Zhenquan Zhao declares that he has no conflict of interest.

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Wei, W., Lin, H., Zheng, X. et al. Refractive outcomes of scleral-sutured posterior chamber intraocular lenses in post-traumatic eyes. Int Ophthalmol 43, 423–429 (2023). https://doi.org/10.1007/s10792-022-02439-7

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  • DOI: https://doi.org/10.1007/s10792-022-02439-7

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