The role of capsulotomy and intraocular lens type on tilt and decentration of polymethylmethacrylate and foldable acrylic lenses.
Identifieur interne : 001F35 ( PubMed/Corpus ); précédent : 001F34; suivant : 001F36The role of capsulotomy and intraocular lens type on tilt and decentration of polymethylmethacrylate and foldable acrylic lenses.
Auteurs : F M Mutlu ; A H Bilge ; H I Altinsoy ; E. YumusakSource :
- Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift für Augenheilkunde [ 0030-3755 ] ; 1998.
English descriptors
- KwdEn :
- MESH :
- chemical : Acrylates, Polymethyl Methacrylate.
- adverse effects : Lenses, Intraocular.
- surgery : Lens Capsule, Crystalline.
- Adult, Aged, Capsulorhexis, Cataract Extraction, Equipment Design, Female, Humans, Male, Middle Aged.
Abstract
The purpose of this study is to determine the effects of different anterior capsulotomy techniques and intraocular lens (IOL) types on IOL tilt and decentration. For this purpose the device using Purkinje reflections and photographic documentation were evaluated. A total of 107 cataractous eyes undergoing IOL implant surgery were divided into four groups based on the type of IOL and capsulotomy: group 1, single-piece polymethylmethacrylate (PMMA) IOL with a haptic distance of 13.50 mm; group 2, single-piece PMMA IOL with 12. 0 mm overall length; group 3, three-piece foldable acrylic IOL with 13.00 mm PMMA haptic distance; group 4, the same IOL as group 1. While continuous circular capsulorhexis was the type of capsulotomy in the first three groups, envelope capsulotomy was used in group 4. Mean tilt and decentration were significantly less when capsulorhexis technique was used in comparison with envelope capsulotomy. Mean tilt of group 1 (2.83+/-0.89 degrees) and mean decentration of group 2 (0.28+/-0.14 mm) were higher within the first three groups. The differences regarding both the IOL decentration and tilt between the first three groups were statistically significant. This study shows that if the IOLs were placed properly in the capsular bag after continuous circular capsulorhexis, foldable acrylic IOLs with PMMA haptics are superior in terms of tilt and decentration.
PubMed: 9787224
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pubmed:9787224Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">The role of capsulotomy and intraocular lens type on tilt and decentration of polymethylmethacrylate and foldable acrylic lenses.</title><author><name sortKey="Mutlu, F M" sort="Mutlu, F M" uniqKey="Mutlu F" first="F M" last="Mutlu">F M Mutlu</name><affiliation><nlm:affiliation>Gulhane Military Medical Academy (GATA), Ankara, Turkey.</nlm:affiliation></affiliation></author><author><name sortKey="Bilge, A H" sort="Bilge, A H" uniqKey="Bilge A" first="A H" last="Bilge">A H Bilge</name></author><author><name sortKey="Altinsoy, H I" sort="Altinsoy, H I" uniqKey="Altinsoy H" first="H I" last="Altinsoy">H I Altinsoy</name></author><author><name sortKey="Yumusak, E" sort="Yumusak, E" uniqKey="Yumusak E" first="E" last="Yumusak">E. Yumusak</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1998">1998</date><idno type="RBID">pubmed:9787224</idno><idno type="pmid">9787224</idno><idno type="wicri:Area/PubMed/Corpus">001F35</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">The role of capsulotomy and intraocular lens type on tilt and decentration of polymethylmethacrylate and foldable acrylic lenses.</title><author><name sortKey="Mutlu, F M" sort="Mutlu, F M" uniqKey="Mutlu F" first="F M" last="Mutlu">F M Mutlu</name><affiliation><nlm:affiliation>Gulhane Military Medical Academy (GATA), Ankara, Turkey.</nlm:affiliation></affiliation></author><author><name sortKey="Bilge, A H" sort="Bilge, A H" uniqKey="Bilge A" first="A H" last="Bilge">A H Bilge</name></author><author><name sortKey="Altinsoy, H I" sort="Altinsoy, H I" uniqKey="Altinsoy H" first="H I" last="Altinsoy">H I Altinsoy</name></author><author><name sortKey="Yumusak, E" sort="Yumusak, E" uniqKey="Yumusak E" first="E" last="Yumusak">E. Yumusak</name></author></analytic><series><title level="j">Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift für Augenheilkunde</title><idno type="ISSN">0030-3755</idno><imprint><date when="1998" type="published">1998</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acrylates</term><term>Adult</term><term>Aged</term><term>Capsulorhexis</term><term>Cataract Extraction</term><term>Equipment Design</term><term>Female</term><term>Humans</term><term>Lens Capsule, Crystalline (surgery)</term><term>Lenses, Intraocular (adverse effects)</term><term>Male</term><term>Middle Aged</term><term>Polymethyl Methacrylate</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Acrylates</term><term>Polymethyl Methacrylate</term></keywords><keywords scheme="MESH" qualifier="adverse effects" xml:lang="en"><term>Lenses, Intraocular</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>Capsulorhexis</term><term>Cataract Extraction</term><term>Equipment Design</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The purpose of this study is to determine the effects of different anterior capsulotomy techniques and intraocular lens (IOL) types on IOL tilt and decentration. For this purpose the device using Purkinje reflections and photographic documentation were evaluated. A total of 107 cataractous eyes undergoing IOL implant surgery were divided into four groups based on the type of IOL and capsulotomy: group 1, single-piece polymethylmethacrylate (PMMA) IOL with a haptic distance of 13.50 mm; group 2, single-piece PMMA IOL with 12. 0 mm overall length; group 3, three-piece foldable acrylic IOL with 13.00 mm PMMA haptic distance; group 4, the same IOL as group 1. While continuous circular capsulorhexis was the type of capsulotomy in the first three groups, envelope capsulotomy was used in group 4. Mean tilt and decentration were significantly less when capsulorhexis technique was used in comparison with envelope capsulotomy. Mean tilt of group 1 (2.83+/-0.89 degrees) and mean decentration of group 2 (0.28+/-0.14 mm) were higher within the first three groups. The differences regarding both the IOL decentration and tilt between the first three groups were statistically significant. This study shows that if the IOLs were placed properly in the capsular bag after continuous circular capsulorhexis, foldable acrylic IOLs with PMMA haptics are superior in terms of tilt and decentration.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">9787224</PMID><DateCreated><Year>1998</Year><Month>11</Month><Day>20</Day></DateCreated><DateCompleted><Year>1998</Year><Month>11</Month><Day>20</Day></DateCompleted><DateRevised><Year>2007</Year><Month>09</Month><Day>17</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0030-3755</ISSN><JournalIssue CitedMedium="Print"><Volume>212</Volume><Issue>6</Issue><PubDate><Year>1998</Year></PubDate></JournalIssue><Title>Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift für Augenheilkunde</Title><ISOAbbreviation>Ophthalmologica</ISOAbbreviation></Journal><ArticleTitle>The role of capsulotomy and intraocular lens type on tilt and decentration of polymethylmethacrylate and foldable acrylic lenses.</ArticleTitle><Pagination><MedlinePgn>359-63</MedlinePgn></Pagination><Abstract><AbstractText>The purpose of this study is to determine the effects of different anterior capsulotomy techniques and intraocular lens (IOL) types on IOL tilt and decentration. For this purpose the device using Purkinje reflections and photographic documentation were evaluated. A total of 107 cataractous eyes undergoing IOL implant surgery were divided into four groups based on the type of IOL and capsulotomy: group 1, single-piece polymethylmethacrylate (PMMA) IOL with a haptic distance of 13.50 mm; group 2, single-piece PMMA IOL with 12. 0 mm overall length; group 3, three-piece foldable acrylic IOL with 13.00 mm PMMA haptic distance; group 4, the same IOL as group 1. While continuous circular capsulorhexis was the type of capsulotomy in the first three groups, envelope capsulotomy was used in group 4. Mean tilt and decentration were significantly less when capsulorhexis technique was used in comparison with envelope capsulotomy. Mean tilt of group 1 (2.83+/-0.89 degrees) and mean decentration of group 2 (0.28+/-0.14 mm) were higher within the first three groups. The differences regarding both the IOL decentration and tilt between the first three groups were statistically significant. This study shows that if the IOLs were placed properly in the capsular bag after continuous circular capsulorhexis, foldable acrylic IOLs with PMMA haptics are superior in terms of tilt and decentration.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Mutlu</LastName><ForeName>F M</ForeName><Initials>FM</Initials><AffiliationInfo><Affiliation>Gulhane Military Medical Academy (GATA), Ankara, Turkey.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bilge</LastName><ForeName>A H</ForeName><Initials>AH</Initials></Author><Author ValidYN="Y"><LastName>Altinsoy</LastName><ForeName>H I</ForeName><Initials>HI</Initials></Author><Author ValidYN="Y"><LastName>Yumusak</LastName><ForeName>E</ForeName><Initials>E</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>SWITZERLAND</Country><MedlineTA>Ophthalmologica</MedlineTA><NlmUniqueID>0054655</NlmUniqueID><ISSNLinking>0030-3755</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000179">Acrylates</NameOfSubstance></Chemical><Chemical><RegistryNumber>9011-14-7</RegistryNumber><NameOfSubstance UI="D019904">Polymethyl Methacrylate</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D000179">Acrylates</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="D019923">Capsulorhexis</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002387">Cataract Extraction</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004867">Equipment Design</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></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="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="D008875">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D019904">Polymethyl Methacrylate</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1998</Year><Month>10</Month><Day>27</Day><Hour>3</Hour><Minute>2</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2000</Year><Month>8</Month><Day>16</Day><Hour>11</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1998</Year><Month>10</Month><Day>27</Day><Hour>3</Hour><Minute>2</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">9787224</ArticleId><ArticleId IdType="pii">oph12359</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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