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Title: Physicochemical analysis of sediments formed on the surface of hydrophilic intraocular lens after Descemet’s stripping endothelial keratoplasty
Authors: Tarnawska, Dorota
Balin, Katarzyna
Jastrzębska, Maria
Talik, Agnieszka
Wrzalik, Roman
Keywords: hydrophilic intraocular lens; opacification; sedimentation; DSAEK; AFM microscopy; XPS and TOF–SIMS spectroscopy
Issue Date: 2020
Citation: "Materials" Vol. 13, iss. 18 (2020), art. no. 4145
Abstract: An intraocular lens (IOL) is a synthetic, artificial lens placed inside the eye that replaces a natural lens that is surgically removed, usually as part of cataract surgery. The opacification of the artificial lens can be related to the formation of the sediments on its surface and could seriously impair vision. The physicochemical analysis was performed on an explanted hydrophilic IOL and compared to the unused one, considered as a reference IOL. The studies were carried out using surface sensitive techniques, which can contribute to a better understanding of the sedimentation process on hydrophilic IOLs’ surfaces. The microscopic studies allowed us to determine the morphology of sediments observed on explanted IOL. The photoelectron spectroscopy measurements revealed the presence of organic and inorganic compounds at the lens surface. Mass spectroscopy measurements confirmed the chemical composition of deposits and allowed for chemical imaging of the IOL surface. Applied techniques allowed to obtain a new set of information approximating the origin of the sediments’ formation on the surface of the hydrophilic IOLs after Descemet’s stripping endothelial keratoplasty.
DOI: 10.3390/ma13184145
ISSN: 1996-1944
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