Security of capsular fixation: Smallversus large-hole plate-haptic lenses
Identifieur interne : 004364 ( Istex/Curation ); précédent : 004363; suivant : 004365Security of capsular fixation: Smallversus large-hole plate-haptic lenses
Auteurs : David G. Kent ; Qun Peng ; Robert T. Isaacs ; Stephen B. Whiteside ; Derek L. Barker ; David J. AppleSource :
- Journal of Cataract & Refractive Surgery [ 0886-3350 ] ; 1997.
Abstract
Purpose: To assess the effect of relatively large positioning holes on the security of capsular bag fixation of plate-haptic silicone intraocular lenses (IOLs).Setting: Center for Research on Ocular Therapeutics and Biodevices, Department of Ophthalmology, Storm Eye Institute, Medical University of South Carolina, Charleston, South Carolina, USA.Methods: This study tested the hypothesis that larger holes allow ingrowth of lens material, fibrous tissue, or both through them, which helps fixate the lens more firmly in the capsular bag. Five rabbits had bilateral continuous curvilinear capsulorhexis, phacoemulsification, and implantation of a plate-haptic silicone IOL. An IOL with a small, round positioning hole (Staar AA-4203V) was implanted in the right eye in each rabbit, and a large-hole IOL (Staar AA-4203VF) was implanted in the left eye. After 2 months, all rabbits were killed. The force required to extract one haptic from the capsular bag was measured with a digital force meter. All eyes had histopathological analysis.Results: It was slightly more difficult to extract a large-hole IOL from the capsular bag, although this trend was not statistically significant. However, histopathological analysis consistently showed 360 degree synechia formation through the holes, showing that the IOL could be securely fixed in position.Conclusions: Proliferation of lens epithelial cells through a large positioning hole in a plate-haptic silicone IOL may improve the long-term security of capsular bag fixation. This will help reduce the incidence of IOL decentration and dislocation.
Url:
DOI: 10.1016/S0886-3350(97)80116-2
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David G. Kent<affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation>Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Security of capsular fixation: Smallversus large-hole plate-haptic lenses</title><author><name sortKey="Kent, David G" sort="Kent, David G" uniqKey="Kent D" first="David G." last="Kent">David G. Kent</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Peng, Qun" sort="Peng, Qun" uniqKey="Peng Q" first="Qun" last="Peng">Qun Peng</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Isaacs, Robert T" sort="Isaacs, Robert T" uniqKey="Isaacs R" first="Robert T." last="Isaacs">Robert T. Isaacs</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Whiteside, Stephen B" sort="Whiteside, Stephen B" uniqKey="Whiteside S" first="Stephen B." last="Whiteside">Stephen B. Whiteside</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Barker, Derek L" sort="Barker, Derek L" uniqKey="Barker D" first="Derek L." last="Barker">Derek L. Barker</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Apple, David J" sort="Apple, David J" uniqKey="Apple D" first="David J." last="Apple">David J. Apple</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:154AB9BC75B42AB6604B95C4CCC8BBFA785B3272</idno><date when="1997" year="1997">1997</date><idno type="doi">10.1016/S0886-3350(97)80116-2</idno><idno type="url">https://api.istex.fr/document/154AB9BC75B42AB6604B95C4CCC8BBFA785B3272/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">004364</idno><idno type="wicri:Area/Istex/Curation">004364</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Security of capsular fixation: Smallversus large-hole plate-haptic lenses</title><author><name sortKey="Kent, David G" sort="Kent, David G" uniqKey="Kent D" first="David G." last="Kent">David G. Kent</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Peng, Qun" sort="Peng, Qun" uniqKey="Peng Q" first="Qun" last="Peng">Qun Peng</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Isaacs, Robert T" sort="Isaacs, Robert T" uniqKey="Isaacs R" first="Robert T." last="Isaacs">Robert T. Isaacs</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Whiteside, Stephen B" sort="Whiteside, Stephen B" uniqKey="Whiteside S" first="Stephen B." last="Whiteside">Stephen B. Whiteside</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Barker, Derek L" sort="Barker, Derek L" uniqKey="Barker D" first="Derek L." last="Barker">Derek L. Barker</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author><author><name sortKey="Apple, David J" sort="Apple, David J" uniqKey="Apple D" first="David J." last="Apple">David J. Apple</name><affiliation><mods:affiliation>From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South Carolina, Charleston.From the Center for Research on Ocular Therapeutics and Biodevices, Storm Eye Institute, Medical University of South CarolinaCharleston</mods:affiliation><wicri:noCountry code="subField">Medical University of South CarolinaCharleston</wicri:noCountry></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Cataract & Refractive Surgery</title><title level="j" type="abbrev">JCRS</title><idno type="ISSN">0886-3350</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1997">1997</date><biblScope unit="volume">23</biblScope><biblScope unit="issue">9</biblScope><biblScope unit="page" from="1371">1371</biblScope><biblScope unit="page" to="1375">1375</biblScope></imprint><idno type="ISSN">0886-3350</idno></series><idno type="istex">154AB9BC75B42AB6604B95C4CCC8BBFA785B3272</idno><idno type="DOI">10.1016/S0886-3350(97)80116-2</idno><idno type="PII">S0886-3350(97)80116-2</idno><idno type="ArticleID">80116</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0886-3350</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Purpose: To assess the effect of relatively large positioning holes on the security of capsular bag fixation of plate-haptic silicone intraocular lenses (IOLs).Setting: Center for Research on Ocular Therapeutics and Biodevices, Department of Ophthalmology, Storm Eye Institute, Medical University of South Carolina, Charleston, South Carolina, USA.Methods: This study tested the hypothesis that larger holes allow ingrowth of lens material, fibrous tissue, or both through them, which helps fixate the lens more firmly in the capsular bag. Five rabbits had bilateral continuous curvilinear capsulorhexis, phacoemulsification, and implantation of a plate-haptic silicone IOL. An IOL with a small, round positioning hole (Staar AA-4203V) was implanted in the right eye in each rabbit, and a large-hole IOL (Staar AA-4203VF) was implanted in the left eye. After 2 months, all rabbits were killed. The force required to extract one haptic from the capsular bag was measured with a digital force meter. All eyes had histopathological analysis.Results: It was slightly more difficult to extract a large-hole IOL from the capsular bag, although this trend was not statistically significant. However, histopathological analysis consistently showed 360 degree synechia formation through the holes, showing that the IOL could be securely fixed in position.Conclusions: Proliferation of lens epithelial cells through a large positioning hole in a plate-haptic silicone IOL may improve the long-term security of capsular bag fixation. This will help reduce the incidence of IOL decentration and dislocation.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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