Capsular bag shrinkage after implantation of an open-loop silicone lens and a poly(methyl methacrylate) capsule tension ring
Identifieur interne : 000229 ( Istex/Curation ); précédent : 000228; suivant : 000230Capsular bag shrinkage after implantation of an open-loop silicone lens and a poly(methyl methacrylate) capsule tension ring
Auteurs : Karin Strenn ; Rupert Menapace ; Clemens VassSource :
- Journal of Cataract & Refractive Surgery [ 0886-3350 ] ; 1997.
Abstract
Purpose: To quantify the dynamics of capsular bag shrinkage after cataract surgery.Setting: University Eye Hospital, Vienna, Austria.Methods: Nineteen eyes in 13 patients had clear corneal cataract surgery with implantation of a foldable, open-loop, silicone posterior chamber intraocular lens (IOL) (AMO SI-30). At the same time, an open, poly(methyl methacrylate) capsule tension ring (Morcher type 14 or 14A) was inserted to allow measurement of capsular bag circumference and diameter. After surgery, capsular bag shrinkage was quantified by measuring anterior chamber depth (ACD), iris-lens distance (ILD), and distance between the eyelets of the capsule tension ring using optical methods. Capsular bag circumference (CBC) was deduced from these measurements, which were taken 1 day (baseline), 1 week, and 1 and 3 months postoperatively.Results: Between 1 day and 3 months, all three parameters decreased significantly. During the first postoperative week, ACID and ILD did not change, while both parameters decreased between 1 week and 1 month. After 1 month, ACID did not decrease further; ILD continued to decrease. The CBC decreased during the entire postoperative period.Conclusion: Besides ACID and ILD, CBC significantly decreased during the first 3 months after cataract surgery with in-the-bag posterior chamber IOL implantation. The CBC can be calculated from the distance between the ends of the capsule tension ring, which can be measured gonioscopically. From this, the diameter of the capsular bag can be calculated in the living eye. The influence of the capsule tension ring itself on capsular bag shrinkage remains to be established.
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DOI: 10.1016/S0886-3350(97)80027-2
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Karin Strenn<affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</wicri:noCountry></affiliation><affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</wicri:noCountry></affiliation><affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</wicri:noCountry></affiliation>Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Capsular bag shrinkage after implantation of an open-loop silicone lens and a poly(methyl methacrylate) capsule tension ring</title><author><name sortKey="Strenn, Karin" sort="Strenn, Karin" uniqKey="Strenn K" first="Karin" last="Strenn">Karin Strenn</name><affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</wicri:noCountry></affiliation></author><author><name sortKey="Menapace, Rupert" sort="Menapace, Rupert" uniqKey="Menapace R" first="Rupert" last="Menapace">Rupert Menapace</name><affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</wicri:noCountry></affiliation></author><author><name sortKey="Vass, Clemens" sort="Vass, Clemens" uniqKey="Vass C" first="Clemens" last="Vass">Clemens Vass</name><affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:41C2290A664512053197B87509B758A5667696A8</idno><date when="1997" year="1997">1997</date><idno type="doi">10.1016/S0886-3350(97)80027-2</idno><idno type="url">https://api.istex.fr/document/41C2290A664512053197B87509B758A5667696A8/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000229</idno><idno type="wicri:Area/Istex/Curation">000229</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Capsular bag shrinkage after implantation of an open-loop silicone lens and a poly(methyl methacrylate) capsule tension ring</title><author><name sortKey="Strenn, Karin" sort="Strenn, Karin" uniqKey="Strenn K" first="Karin" last="Strenn">Karin Strenn</name><affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</wicri:noCountry></affiliation></author><author><name sortKey="Menapace, Rupert" sort="Menapace, Rupert" uniqKey="Menapace R" first="Rupert" last="Menapace">Rupert Menapace</name><affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</wicri:noCountry></affiliation></author><author><name sortKey="Vass, Clemens" sort="Vass, Clemens" uniqKey="Vass C" first="Clemens" last="Vass">Clemens Vass</name><affiliation><mods:affiliation>From University Eye Hospital, Vienna, Austria.University Eye HospitalViennaAustria</mods:affiliation><wicri:noCountry code="subField">Austria.University Eye HospitalViennaAustria</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">10</biblScope><biblScope unit="page" from="1543">1543</biblScope><biblScope unit="page" to="1547">1547</biblScope></imprint><idno type="ISSN">0886-3350</idno></series><idno type="istex">41C2290A664512053197B87509B758A5667696A8</idno><idno type="DOI">10.1016/S0886-3350(97)80027-2</idno><idno type="PII">S0886-3350(97)80027-2</idno><idno type="ArticleID">80027</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 quantify the dynamics of capsular bag shrinkage after cataract surgery.Setting: University Eye Hospital, Vienna, Austria.Methods: Nineteen eyes in 13 patients had clear corneal cataract surgery with implantation of a foldable, open-loop, silicone posterior chamber intraocular lens (IOL) (AMO SI-30). At the same time, an open, poly(methyl methacrylate) capsule tension ring (Morcher type 14 or 14A) was inserted to allow measurement of capsular bag circumference and diameter. After surgery, capsular bag shrinkage was quantified by measuring anterior chamber depth (ACD), iris-lens distance (ILD), and distance between the eyelets of the capsule tension ring using optical methods. Capsular bag circumference (CBC) was deduced from these measurements, which were taken 1 day (baseline), 1 week, and 1 and 3 months postoperatively.Results: Between 1 day and 3 months, all three parameters decreased significantly. During the first postoperative week, ACID and ILD did not change, while both parameters decreased between 1 week and 1 month. After 1 month, ACID did not decrease further; ILD continued to decrease. The CBC decreased during the entire postoperative period.Conclusion: Besides ACID and ILD, CBC significantly decreased during the first 3 months after cataract surgery with in-the-bag posterior chamber IOL implantation. The CBC can be calculated from the distance between the ends of the capsule tension ring, which can be measured gonioscopically. From this, the diameter of the capsular bag can be calculated in the living eye. The influence of the capsule tension ring itself on capsular bag shrinkage remains to be established.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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