Early central posterior capsular fibrosis in sulcus-fixated biconvex intraocular lenses.
Identifieur interne : 002159 ( PubMed/Curation ); précédent : 002158; suivant : 002160Early central posterior capsular fibrosis in sulcus-fixated biconvex intraocular lenses.
Auteurs : D T Tan ; S P CheeSource :
- Journal of cataract and refractive surgery [ 0886-3350 ] ; 1993.
English descriptors
- KwdEn :
- Adult, Aged, Aged, 80 and over, Cataract (etiology), Cataract (pathology), Cataract Extraction (adverse effects), Female, Fibrosis, Follow-Up Studies, Humans, Incidence, Laser Therapy, Lens Capsule, Crystalline (pathology), Lens Capsule, Crystalline (surgery), Lenses, Intraocular (adverse effects), Male, Methylmethacrylate, Methylmethacrylates, Middle Aged, Risk Factors, Visual Acuity.
- MESH :
- chemical : Methylmethacrylate, Methylmethacrylates.
- adverse effects : Cataract Extraction, Lenses, Intraocular.
- etiology : Cataract.
- pathology : Cataract, Lens Capsule, Crystalline.
- surgery : Lens Capsule, Crystalline.
- Adult, Aged, Aged, 80 and over, Female, Fibrosis, Follow-Up Studies, Humans, Incidence, Laser Therapy, Male, Middle Aged, Risk Factors, Visual Acuity.
Abstract
A series of 228 eyes implanted with one-piece all poly(methyl methacrylate) (PMMA) biconvex posterior chamber intraocular lenses was examined for posterior capsule opacification. One hundred forty-one eyes (61.8%) had opacification at an average postoperative period of 19.7 months. Seventy eyes (30.7%) developed an unusual form of early central posterior capsular fibrosis (ECPCF), which was confined to the capsulorhexis opening, sparing the peripheral aspect of the anterior and posterior capsules. Risk factors for developing this form of opacification were close apposition of peripheral anterior and posterior capsules caused by placing a posteriorly vaulted biconvex optic anterior to a capsulorhexis opening smaller than the optic diameter. This opacification occurred most often in cases of haptic fixation in the ciliary sulcus. The cumulative capsulotomy rate in this series was 5.26% at three months, 9.1% at 12 months, and 13.2% at 20 months. Of the ECPCF cases, 34.3% eventually required neodymium: YAG (Nd:YAG) laser capsulotomy; the capsulotomy rate for ECPCF was 4.8 times higher than that for Elschnig pearls. Early onset of ECPCF (average onset = 19.4 weeks) resulted in early Nd:YAG capsulotomy (average = 8.0 months after surgery). One-piece all-PMMA biconvex intraocular lenses may promote early central fibrosis of the posterior capsule if the lens optic is anterior to a capsulorhexis opening smaller than the optic diameter. The early onset of this form of opacification predisposes to earlier Nd:YAG capsulotomy with a higher risk of complications.
PubMed: 8355153
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D T Tan<affiliation><nlm:affiliation>Singapore National Eye Centre.</nlm:affiliation><wicri:noCountry code="no comma">Singapore National Eye Centre.</wicri:noCountry></affiliation>Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Early central posterior capsular fibrosis in sulcus-fixated biconvex intraocular lenses.</title><author><name sortKey="Tan, D T" sort="Tan, D T" uniqKey="Tan D" first="D T" last="Tan">D T Tan</name><affiliation><nlm:affiliation>Singapore National Eye Centre.</nlm:affiliation><wicri:noCountry code="no comma">Singapore National Eye Centre.</wicri:noCountry></affiliation></author><author><name sortKey="Chee, S P" sort="Chee, S P" uniqKey="Chee S" first="S P" last="Chee">S P Chee</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1993">1993</date><idno type="RBID">pubmed:8355153</idno><idno type="pmid">8355153</idno><idno type="wicri:Area/PubMed/Corpus">002159</idno><idno type="wicri:Area/PubMed/Curation">002159</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Early central posterior capsular fibrosis in sulcus-fixated biconvex intraocular lenses.</title><author><name sortKey="Tan, D T" sort="Tan, D T" uniqKey="Tan D" first="D T" last="Tan">D T Tan</name><affiliation><nlm:affiliation>Singapore National Eye Centre.</nlm:affiliation><wicri:noCountry code="no comma">Singapore National Eye Centre.</wicri:noCountry></affiliation></author><author><name sortKey="Chee, S P" sort="Chee, S P" uniqKey="Chee S" first="S P" last="Chee">S P Chee</name></author></analytic><series><title level="j">Journal of cataract and refractive surgery</title><idno type="ISSN">0886-3350</idno><imprint><date when="1993" type="published">1993</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Cataract (etiology)</term><term>Cataract (pathology)</term><term>Cataract Extraction (adverse effects)</term><term>Female</term><term>Fibrosis</term><term>Follow-Up Studies</term><term>Humans</term><term>Incidence</term><term>Laser Therapy</term><term>Lens Capsule, Crystalline (pathology)</term><term>Lens Capsule, Crystalline (surgery)</term><term>Lenses, Intraocular (adverse effects)</term><term>Male</term><term>Methylmethacrylate</term><term>Methylmethacrylates</term><term>Middle Aged</term><term>Risk Factors</term><term>Visual Acuity</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Methylmethacrylate</term><term>Methylmethacrylates</term></keywords><keywords scheme="MESH" qualifier="adverse effects" xml:lang="en"><term>Cataract Extraction</term><term>Lenses, Intraocular</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Cataract</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Cataract</term><term>Lens Capsule, Crystalline</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Lens Capsule, Crystalline</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Female</term><term>Fibrosis</term><term>Follow-Up Studies</term><term>Humans</term><term>Incidence</term><term>Laser Therapy</term><term>Male</term><term>Middle Aged</term><term>Risk Factors</term><term>Visual Acuity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A series of 228 eyes implanted with one-piece all poly(methyl methacrylate) (PMMA) biconvex posterior chamber intraocular lenses was examined for posterior capsule opacification. One hundred forty-one eyes (61.8%) had opacification at an average postoperative period of 19.7 months. Seventy eyes (30.7%) developed an unusual form of early central posterior capsular fibrosis (ECPCF), which was confined to the capsulorhexis opening, sparing the peripheral aspect of the anterior and posterior capsules. Risk factors for developing this form of opacification were close apposition of peripheral anterior and posterior capsules caused by placing a posteriorly vaulted biconvex optic anterior to a capsulorhexis opening smaller than the optic diameter. This opacification occurred most often in cases of haptic fixation in the ciliary sulcus. The cumulative capsulotomy rate in this series was 5.26% at three months, 9.1% at 12 months, and 13.2% at 20 months. Of the ECPCF cases, 34.3% eventually required neodymium: YAG (Nd:YAG) laser capsulotomy; the capsulotomy rate for ECPCF was 4.8 times higher than that for Elschnig pearls. Early onset of ECPCF (average onset = 19.4 weeks) resulted in early Nd:YAG capsulotomy (average = 8.0 months after surgery). One-piece all-PMMA biconvex intraocular lenses may promote early central fibrosis of the posterior capsule if the lens optic is anterior to a capsulorhexis opening smaller than the optic diameter. The early onset of this form of opacification predisposes to earlier Nd:YAG capsulotomy with a higher risk of complications.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">8355153</PMID><DateCreated><Year>1993</Year><Month>09</Month><Day>23</Day></DateCreated><DateCompleted><Year>1993</Year><Month>09</Month><Day>23</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0886-3350</ISSN><JournalIssue CitedMedium="Print"><Volume>19</Volume><Issue>4</Issue><PubDate><Year>1993</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Journal of cataract and refractive surgery</Title><ISOAbbreviation>J Cataract Refract Surg</ISOAbbreviation></Journal><ArticleTitle>Early central posterior capsular fibrosis in sulcus-fixated biconvex intraocular lenses.</ArticleTitle><Pagination><MedlinePgn>471-80</MedlinePgn></Pagination><Abstract><AbstractText>A series of 228 eyes implanted with one-piece all poly(methyl methacrylate) (PMMA) biconvex posterior chamber intraocular lenses was examined for posterior capsule opacification. One hundred forty-one eyes (61.8%) had opacification at an average postoperative period of 19.7 months. Seventy eyes (30.7%) developed an unusual form of early central posterior capsular fibrosis (ECPCF), which was confined to the capsulorhexis opening, sparing the peripheral aspect of the anterior and posterior capsules. Risk factors for developing this form of opacification were close apposition of peripheral anterior and posterior capsules caused by placing a posteriorly vaulted biconvex optic anterior to a capsulorhexis opening smaller than the optic diameter. This opacification occurred most often in cases of haptic fixation in the ciliary sulcus. The cumulative capsulotomy rate in this series was 5.26% at three months, 9.1% at 12 months, and 13.2% at 20 months. Of the ECPCF cases, 34.3% eventually required neodymium: YAG (Nd:YAG) laser capsulotomy; the capsulotomy rate for ECPCF was 4.8 times higher than that for Elschnig pearls. Early onset of ECPCF (average onset = 19.4 weeks) resulted in early Nd:YAG capsulotomy (average = 8.0 months after surgery). One-piece all-PMMA biconvex intraocular lenses may promote early central fibrosis of the posterior capsule if the lens optic is anterior to a capsulorhexis opening smaller than the optic diameter. The early onset of this form of opacification predisposes to earlier Nd:YAG capsulotomy with a higher risk of complications.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Tan</LastName><ForeName>D T</ForeName><Initials>DT</Initials><AffiliationInfo><Affiliation>Singapore National Eye Centre.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chee</LastName><ForeName>S P</ForeName><Initials>SP</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>UNITED STATES</Country><MedlineTA>J Cataract Refract Surg</MedlineTA><NlmUniqueID>8604171</NlmUniqueID><ISSNLinking>0886-3350</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D008768">Methylmethacrylates</NameOfSubstance></Chemical><Chemical><RegistryNumber>196OC77688</RegistryNumber><NameOfSubstance UI="D020366">Methylmethacrylate</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000368">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000369">Aged, 80 and over</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002386">Cataract</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000209">etiology</QualifierName><QualifierName MajorTopicYN="N" UI="Q000473">pathology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002387">Cataract Extraction</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000009">adverse effects</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005355">Fibrosis</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005500">Follow-Up Studies</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D015994">Incidence</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D053685">Laser Therapy</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007903">Lens Capsule, Crystalline</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000473">pathology</QualifierName><QualifierName MajorTopicYN="N" UI="Q000601">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007910">Lenses, Intraocular</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000009">adverse effects</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D020366">Methylmethacrylate</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008768">Methylmethacrylates</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008875">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D012307">Risk Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014792">Visual Acuity</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1993</Year><Month>7</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1993</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1993</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">8355153</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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