Material analysis of explanted calcified silicone intraocular lenses in association with asteroid hyalosis
Introduction: The aim of this study was to analyze posterior surface opacification in explanted silicone intraocular lenses (IOLs) with clinicopathologic correlation to asteroid hyalosis. Methods: In a laboratory setup, 12 explanted silicone IOLs underwent laboratory analyses, including light micros...
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| Hauptverfasser: | , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
20 January 2024
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| In: |
Ophthalmology and therapy
Year: 2024, Jahrgang: 13, Heft: 3, Pages: 791-800 |
| ISSN: | 2193-6528 |
| DOI: | 10.1007/s40123-023-00872-0 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1007/s40123-023-00872-0
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| Verfasserangaben: | Lizaveta Chychko, Ramin Khoramnia, Hyeck-Soo Son, Sonja K. Schickhardt, Ingo Lieberwirth, Gerd U. Auffarth, Timur M. Yildirim |
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| 245 | 1 | 0 | |a Material analysis of explanted calcified silicone intraocular lenses in association with asteroid hyalosis |c Lizaveta Chychko, Ramin Khoramnia, Hyeck-Soo Son, Sonja K. Schickhardt, Ingo Lieberwirth, Gerd U. Auffarth, Timur M. Yildirim |
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| 520 | |a Introduction: The aim of this study was to analyze posterior surface opacification in explanted silicone intraocular lenses (IOLs) with clinicopathologic correlation to asteroid hyalosis. Methods: In a laboratory setup, 12 explanted silicone IOLs underwent laboratory analyses, including light microscopy, scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy for elemental composition (EDX). Relevant clinical data were obtained for each case, including gender, age at IOL implantation, dates of implantation and explantation, as well as history of neodymium-dopped yttrium aluminum garnet (Nd:YAG) laser treatments or other opacification removal attempts. High-resolution optical coherence tomography (OCT) images were obtained in vitro with an anterior segment OCT device (Anterion, Heidelberg Engineering, Heidelberg, Germany). Results: Calcification located at the posterior optic surface of each lens was identified through SEM and EDX analyses, revealing deposits composed of hydroxyapatite. In all cases, IOL polishing using Nd:YAG laser had been attempted prior to IOL exchange. The clinical functional data showed that this type of IOL opacity led to increase in straylight and subjective symptoms of glare. Conclusions: Silicone IOLs can develop posterior surface calcification in eyes with asteroid hyalosis. There are mechanical techniques of cleaning the IOL surface but in many cases, IOL explantation is the only sustainable way to reduce the patients’ straylight levels and glare symptoms. Due to the risk of posterior surface calcification, silicone IOL implantation should be avoided in eyes with asteroid hyalosis. | ||
| 650 | 4 | |a Asteroid hyalosis | |
| 650 | 4 | |a IOL calcification | |
| 650 | 4 | |a IOL opacification | |
| 650 | 4 | |a IOL pathology | |
| 650 | 4 | |a Silicone IOLs | |
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