Adhesion of lens capsule to intraocular lenses of polymethylmethacrylate, silicone, and acrylic foldable materials: an experimental study
Identifieur interne : 001311 ( Pmc/Curation ); précédent : 001310; suivant : 001312Adhesion of lens capsule to intraocular lenses of polymethylmethacrylate, silicone, and acrylic foldable materials: an experimental study
Auteurs : T. Oshika ; T. Nagata ; Y. IshiiSource :
- The British Journal of Ophthalmology [ 0007-1161 ] ; 1998.
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PubMed: 9713064
PubMed Central: 1722579
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Adhesion of lens capsule to intraocular lenses of polymethylmethacrylate, silicone, and acrylic foldable materials: an experimental study</title><author><name sortKey="Oshika, T" sort="Oshika, T" uniqKey="Oshika T" first="T." last="Oshika">T. Oshika</name></author><author><name sortKey="Nagata, T" sort="Nagata, T" uniqKey="Nagata T" first="T." last="Nagata">T. Nagata</name></author><author><name sortKey="Ishii, Y" sort="Ishii, Y" uniqKey="Ishii Y" first="Y." last="Ishii">Y. Ishii</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">9713064</idno><idno type="pmc">1722579</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1722579</idno><idno type="RBID">PMC:1722579</idno><date when="1998">1998</date><idno type="wicri:Area/Pmc/Corpus">001311</idno><idno type="wicri:Area/Pmc/Curation">001311</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Adhesion of lens capsule to intraocular lenses of polymethylmethacrylate, silicone, and acrylic foldable materials: an experimental study</title><author><name sortKey="Oshika, T" sort="Oshika, T" uniqKey="Oshika T" first="T." last="Oshika">T. Oshika</name></author><author><name sortKey="Nagata, T" sort="Nagata, T" uniqKey="Nagata T" first="T." last="Nagata">T. Nagata</name></author><author><name sortKey="Ishii, Y" sort="Ishii, Y" uniqKey="Ishii Y" first="Y." last="Ishii">Y. Ishii</name></author></analytic><series><title level="j">The British Journal of Ophthalmology</title><idno type="ISSN">0007-1161</idno><idno type="eISSN">1468-2079</idno><imprint><date when="1998">1998</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><italic>AIMS</italic>—To investigate the adhesion characteristics of several intraocular lenses (IOLs) to the simulated and rabbit lens capsule.
<italic>METHODS</italic>—Adhesive force to bovine collagen sheets was measured in water with polymethylmethacrylate (PMMA), three piece silicone, and acrylic foldable IOLs. In rabbit eyes, phacoemulsification and IOL implantation were performed. Three weeks later, adhesion between the anterior/posterior capsules and IOL optic was tested, and the capsule was examined histologically.
<italic>RESULTS</italic>—The mean adhesive force to the collagen sheet was 1697 (SD 286) mg for acrylic foldable, 583 (49) mg for PMMA, and 0 mg for silicone IOLs (p=0.0003, Kruskal-Wallis test). Scores (0-5) of adhesion between rabbit anterior capsule and IOL optic were 4.50<sup> </sup>(0.55) for acrylic foldable, 3.20 (0.84) for PMMA, and 0.40 (0.55) for silicone IOLs (p=0.004). Scores between rabbit posterior capsule and IOL optic displayed a similar tendency; 4.50 (0.84) for acrylic foldable, 3.00 (1.00) for PMMA, and 0.40 (0.55) for silicone IOLs (p=0.021). Histological observation indicated that the edge of IOL optic suppressed the migration of lens epithelial cells towards the centre of the posterior capsule. This inhibitory effect was most pronounced with acrylic foldable IOL and least with silicone IOL.
<italic>CONCLUSIONS</italic>—The acrylic foldable IOL adhered to the lens capsule more than the PMMA IOL, and the silicone IOL showed no adhesiveness. These differences seem to play a role in preventing lens epithelial cells from migrating and forming posterior capsule opacification.
Keywords: intraocular lens; lens capsule; posterior capsule opacification; adhesion </p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Br J Ophthalmol</journal-id><journal-title>The British Journal of Ophthalmology</journal-title><issn pub-type="ppub">0007-1161</issn><issn pub-type="epub">1468-2079</issn></journal-meta><article-meta><article-id pub-id-type="pmid">9713064</article-id><article-id pub-id-type="pmc">1722579</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original articles - Laboratory science</subject></subj-group></article-categories><title-group><article-title>Adhesion of lens capsule to intraocular lenses of polymethylmethacrylate, silicone, and acrylic foldable materials: an experimental study</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Oshika</surname><given-names>T.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Nagata</surname><given-names>T.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Ishii</surname><given-names>Y.</given-names></name></contrib></contrib-group><aff>Department of Ophthalmology, University of Tokyo School of Medicine, Japan.</aff><pub-date pub-type="ppub"><month>5</month><year>1998</year></pub-date><volume>82</volume><issue>5</issue><fpage>549</fpage><lpage>553</lpage><self-uri xlink:role="pdf" xlink:type="simple" xlink:href="http://bjo.bmj.com/cgi/reprint/82/5/549.pdf"></self-uri><self-uri xlink:role="abstract" xlink:type="simple" xlink:href="http://bjo.bmj.com/cgi/content/abstract/82/5/549"></self-uri><self-uri xlink:role="fulltext" xlink:type="simple" xlink:href="http://bjo.bmj.com/cgi/content/full/82/5/549"></self-uri><abstract><p><italic>AIMS</italic>—To investigate the adhesion characteristics of several intraocular lenses (IOLs) to the simulated and rabbit lens capsule.
<italic>METHODS</italic>—Adhesive force to bovine collagen sheets was measured in water with polymethylmethacrylate (PMMA), three piece silicone, and acrylic foldable IOLs. In rabbit eyes, phacoemulsification and IOL implantation were performed. Three weeks later, adhesion between the anterior/posterior capsules and IOL optic was tested, and the capsule was examined histologically.
<italic>RESULTS</italic>—The mean adhesive force to the collagen sheet was 1697 (SD 286) mg for acrylic foldable, 583 (49) mg for PMMA, and 0 mg for silicone IOLs (p=0.0003, Kruskal-Wallis test). Scores (0-5) of adhesion between rabbit anterior capsule and IOL optic were 4.50<sup> </sup>(0.55) for acrylic foldable, 3.20 (0.84) for PMMA, and 0.40 (0.55) for silicone IOLs (p=0.004). Scores between rabbit posterior capsule and IOL optic displayed a similar tendency; 4.50 (0.84) for acrylic foldable, 3.00 (1.00) for PMMA, and 0.40 (0.55) for silicone IOLs (p=0.021). Histological observation indicated that the edge of IOL optic suppressed the migration of lens epithelial cells towards the centre of the posterior capsule. This inhibitory effect was most pronounced with acrylic foldable IOL and least with silicone IOL.
<italic>CONCLUSIONS</italic>—The acrylic foldable IOL adhered to the lens capsule more than the PMMA IOL, and the silicone IOL showed no adhesiveness. These differences seem to play a role in preventing lens epithelial cells from migrating and forming posterior capsule opacification.
Keywords: intraocular lens; lens capsule; posterior capsule opacification; adhesion </p></abstract></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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