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Evaluation of a human capsular bag model for secondary cataract determination after intraocular lens implantation

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  • Published:
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Abstract

Purpose

To investigate the effect of different intraocular lenses (IOLs) on lens epithelial cells (LECs) and on human capsular bags in vitro and to evaluate the transferability of this model to clinical situations.

Methods

Sham cataract surgery, including IOL-into-the-bag implantation, was performed on 38 donor eyes after removal of the cornea. The capsular bag including the IOL was removed, pinned on a culture dish, covered with medium, and incubated. Two different IOLs were compared per pair of donor eyes. In each pair of donor eyes, the two different IOLs to be compared were implanted individually into capsular bags. The time required for complete coverage of the posterior capsule by a confluent monolayer of LECs was documented. The following IOLs were compared: three-piece acrylic IOLs of different sizes and single-piece polymethylmethacrylate (PMMA) versus acrylic IOLs.

Results

A complete monolayer of LECs on the posterior capsule was observed to form at times varying from 8 days (PMMA IOLs) to more than 60 days (three-piece hydrophobic acrylic IOLs). A significant difference between PMMA IOLs and hydrophobic acrylic IOLs was found.

Conclusions

The human capsular bag model employed allows short-term evaluation of secondary cataract formation for different IOLs. This model’s correlation with clinical results is good.

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Acknowledgements

We would like to express our gratitude to J. Marcantonio, G. Duncan and M. Wormstone for allowing us to benefit from their great experience. We also thank Pharmacia and Alcon for providing the IOL samples.

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Authors and Affiliations

  1. Clinic of Ophthalmology, Charité—University School of Medicine Berlin, Campus Virchow Klinikum, Augustenburger Platz 1, 13353, Berlin, Germany

    A. Liekfeld, N. Pahms, N. Torun, A. U. Porstmann, J. Jaroszewski & C. Hartmann

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  1. A. Liekfeld
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  2. N. Pahms
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  3. N. Torun
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  4. A. U. Porstmann
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  5. J. Jaroszewski
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  6. C. Hartmann
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Correspondence to A. Liekfeld.

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Liekfeld, A., Pahms, N., Torun, N. et al. Evaluation of a human capsular bag model for secondary cataract determination after intraocular lens implantation. Graefe's Arch Clin Exp Ophthalmol 243, 43–48 (2005). https://doi.org/10.1007/s00417-004-0972-1

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  • DOI: https://doi.org/10.1007/s00417-004-0972-1

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