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Clinical outcome and endothelial loss following prepupillary and retropupillary implantation of iris claw intraocular lenses

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Abstract

Purpose

Iris claw intraocular lenses (IOLs) were successfully used for the management of aphakia in patients that lack capsular support. The aim of this study was to compare the clinical outcome of prepupillary and retropupillary implantation of these IOLs.

Methods

The files of the 26 patients that had an iris claw IOL implantation between 2010 and 2020 were retrospectively reviewed. Detailed ophthalmological examination findings including corrected distance visual acuity (CDVA), intraocular pressure, endothelial cell counts, slit lamp and dilated fundus examination findings were specifically tabulated. Intraoperative and postoperative complications were also specifically recorded.

Results

There were 18 patients in the prepupillary implantation group and eight patients in the retropupillary implantation group. Age and gender distribution were similar between the groups. CDVA significantly increased in prepupillary and retropupillary implantation groups (p = 0.001 and p = 0.012, respectively). Median endothelial cell loss was 6.7% in prepupillary group and 7.2% in retropupillary group. The only intraoperative complication was iridodialysis (n = 1). Postoperative complications included retinal detachment (n = 1), cystoid macular edema (n = 2) and IOL tilt (n = 1). All of these complications occurred in the prepupillary implantation group.

Conclusion

Prepupillary and retropupillary implantation of iris claw IOLs resulted with similar visual gain and endothelial loss rates in a follow-up time of 6 months. There was an insignificant trend toward a reduced complication rate following retropupillary implantation.

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Data availability

Data are available on reasonable request from the authors.

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This research did not receive any specific grant from funding agencies in the public, commercial or not-for-profit sectors.

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ED, FE, MY, HS and HO performed study conception and design; ED and HS contributed to acquisition of data; ED, FE, MY, HS and HO were involved in analysis and interpretation of data; ED, FE, and HS drafted the manuscript; MY and HO done critical revision.

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Correspondence to Ebubekir Durmus.

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Durmus, E., Esen, F., Yenerel, M. et al. Clinical outcome and endothelial loss following prepupillary and retropupillary implantation of iris claw intraocular lenses. Int Ophthalmol 41, 3961–3969 (2021). https://doi.org/10.1007/s10792-021-01965-0

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