Experimental study of different intraocular lens designs implanted in the bag after capsulorhexis.
Identifieur interne : 002056 ( PubMed/Corpus ); précédent : 002055; suivant : 002057Experimental study of different intraocular lens designs implanted in the bag after capsulorhexis.
Auteurs : P. Ta ; J. BelmonteSource :
- Journal of cataract and refractive surgery [ 0886-3350 ] ; 1996.
English descriptors
- KwdEn :
- MESH :
- chemical : Biocompatible Materials, Methylmethacrylates.
- methods : Cataract Extraction.
- surgery : Lens Capsule, Crystalline.
- Adolescent, Adult, Aged, Aged, 80 and over, Cadaver, Humans, Lenses, Intraocular, Middle Aged, Prosthesis Design.
Abstract
To analyze experimentally in cadaver eyes several models of commercially available posterior chamber intraocular lenses (IOLs) to determine their stability, fixation, and behavior in the capsular bag in relation to their overall size, optic diameter, shape, material, and haptic configuration.
PubMed: 8972372
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Experimental study of different intraocular lens designs implanted in the bag after capsulorhexis.</title><author><name sortKey="Ta, P" sort="Ta, P" uniqKey="Ta P" first="P" last="Ta">P. Ta</name><affiliation><nlm:affiliation>Hospital General Universitario de Alicante SVS, Servicio de Oftalmologia, Spain.</nlm:affiliation></affiliation></author><author><name sortKey="Belmonte, J" sort="Belmonte, J" uniqKey="Belmonte J" first="J" last="Belmonte">J. Belmonte</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1996">1996</date><idno type="RBID">pubmed:8972372</idno><idno type="pmid">8972372</idno><idno type="wicri:Area/PubMed/Corpus">002056</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Experimental study of different intraocular lens designs implanted in the bag after capsulorhexis.</title><author><name sortKey="Ta, P" sort="Ta, P" uniqKey="Ta P" first="P" last="Ta">P. Ta</name><affiliation><nlm:affiliation>Hospital General Universitario de Alicante SVS, Servicio de Oftalmologia, Spain.</nlm:affiliation></affiliation></author><author><name sortKey="Belmonte, J" sort="Belmonte, J" uniqKey="Belmonte J" first="J" last="Belmonte">J. Belmonte</name></author></analytic><series><title level="j">Journal of cataract and refractive surgery</title><idno type="ISSN">0886-3350</idno><imprint><date when="1996" type="published">1996</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Biocompatible Materials</term><term>Cadaver</term><term>Cataract Extraction (methods)</term><term>Humans</term><term>Lens Capsule, Crystalline (surgery)</term><term>Lenses, Intraocular</term><term>Methylmethacrylates</term><term>Middle Aged</term><term>Prosthesis Design</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Biocompatible Materials</term><term>Methylmethacrylates</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Cataract Extraction</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Lens Capsule, Crystalline</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Cadaver</term><term>Humans</term><term>Lenses, Intraocular</term><term>Middle Aged</term><term>Prosthesis Design</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To analyze experimentally in cadaver eyes several models of commercially available posterior chamber intraocular lenses (IOLs) to determine their stability, fixation, and behavior in the capsular bag in relation to their overall size, optic diameter, shape, material, and haptic configuration.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">8972372</PMID><DateCreated><Year>1997</Year><Month>02</Month><Day>26</Day></DateCreated><DateCompleted><Year>1997</Year><Month>02</Month><Day>26</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0886-3350</ISSN><JournalIssue CitedMedium="Print"><Volume>22</Volume><Issue>9</Issue><PubDate><Year>1996</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Journal of cataract and refractive surgery</Title><ISOAbbreviation>J Cataract Refract Surg</ISOAbbreviation></Journal><ArticleTitle>Experimental study of different intraocular lens designs implanted in the bag after capsulorhexis.</ArticleTitle><Pagination><MedlinePgn>1211-21</MedlinePgn></Pagination><Abstract><AbstractText Label="OBJECTIVE" NlmCategory="OBJECTIVE">To analyze experimentally in cadaver eyes several models of commercially available posterior chamber intraocular lenses (IOLs) to determine their stability, fixation, and behavior in the capsular bag in relation to their overall size, optic diameter, shape, material, and haptic configuration.</AbstractText><AbstractText Label="SETTING" NlmCategory="METHODS">Eye Bank and Department of Ophthalmology, University General Hospital of Alicante, Spain.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Thirty-three IOLs of different sizes, shapes, and designs, divided in two series and five groups, were implanted successively in 31 cadaver eyes. All the proceedings were videotaped, and measurements were made on the television screen with the picture static. Main outcome measures were the diameters of the lens, the empty capsular bag, and the capsulorhexis; capsular distension by the IOL haptics; extent of haptic arc of contact with the capsular equator; and IOL mobility in the bag.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The stability of and stretching caused by the IOLs varied greatly depending on their overall size, haptic flexibility, and the extent of the arc of haptic contact with the capsular equator. Lenses between 13.5 and 14.0 mm had good stability but stretched the capsule excessively. The J-loop haptic configuration produced a spindle-shaped bag deformity that might come in contact with the ciliary processes in the physiologic eye. Among IOLs designed for in-the-bag implantation after capsulorhexis, the two smaller than 12.0 mm were unstable, permitting excessive mobility in the capsular bag. Except for IOLs with a 5.0 mm optic, all 12.0 mm IOLs had reasonable stability, little or no mobility within the capsular bag, and good short-term centering. Lenses with a broad angulation at the haptic-optic junction, to about 90 degrees, achieved the largest arc of contact with the equator and behaved as lenses with larger optics. The Pharmacia 808 performed best.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">After capsulorhexis and extracapsular cataract extraction, 12.0 mm, poly(methyl methacrylate), one-piece IOLs with modified C-shaped loops, 90 degree angulation at the haptic-optic junction, and an optic diameter between 6.0 and 6.5 mm performed best in the capsular bag.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Tañá</LastName><ForeName>P</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Hospital General Universitario de Alicante SVS, Servicio de Oftalmologia, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Belmonte</LastName><ForeName>J</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><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="D001672">Biocompatible Materials</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D008768">Methylmethacrylates</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000293">Adolescent</DescriptorName></MeshHeading><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="D001672">Biocompatible Materials</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002102">Cadaver</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002387">Cataract Extraction</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000379">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007903">Lens Capsule, Crystalline</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000601">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D007910">Lenses, Intraocular</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="D011474">Prosthesis Design</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1996</Year><Month>11</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1996</Year><Month>11</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1996</Year><Month>11</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">8972372</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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