Prediction of intraocular lens power using the lens haptic plane concept.
Identifieur interne : 001D45 ( PubMed/Checkpoint ); précédent : 001D44; suivant : 001D46Prediction of intraocular lens power using the lens haptic plane concept.
Auteurs : N E Norrby [Pays-Bas] ; G. KoranyiSource :
- Journal of cataract and refractive surgery [ 0886-3350 ] ; 1997.
English descriptors
- KwdEn :
- MESH :
- anatomy & histology : Anterior Chamber, Lens, Crystalline.
- Aged, Aged, 80 and over, Algorithms, Biometry, Female, Follow-Up Studies, Humans, Lenses, Intraocular, Male, Middle Aged, Optics and Photonics, Pilot Projects, Refraction, Ocular.
Abstract
To test algorithms for the preoperative estimation of the lens haptic plane (LHP) and to assess these in terms of predictability of postoperative refraction.
PubMed: 9113578
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Prediction of intraocular lens power using the lens haptic plane concept.</title><author><name sortKey="Norrby, N E" sort="Norrby, N E" uniqKey="Norrby N" first="N E" last="Norrby">N E Norrby</name><affiliation wicri:level="3"><nlm:affiliation>Pharmacia Production BV, Groningen, The Netherlands.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Pharmacia Production BV, Groningen</wicri:regionArea><placeName><settlement type="city">Groningue</settlement><region nuts="2" type="province">Groningue (province)</region></placeName></affiliation></author><author><name sortKey="Koranyi, G" sort="Koranyi, G" uniqKey="Koranyi G" first="G" last="Koranyi">G. Koranyi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1997">1997</date><idno type="RBID">pubmed:9113578</idno><idno type="pmid">9113578</idno><idno type="wicri:Area/PubMed/Corpus">002025</idno><idno type="wicri:Area/PubMed/Curation">002025</idno><idno type="wicri:Area/PubMed/Checkpoint">001D45</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Prediction of intraocular lens power using the lens haptic plane concept.</title><author><name sortKey="Norrby, N E" sort="Norrby, N E" uniqKey="Norrby N" first="N E" last="Norrby">N E Norrby</name><affiliation wicri:level="3"><nlm:affiliation>Pharmacia Production BV, Groningen, The Netherlands.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Pharmacia Production BV, Groningen</wicri:regionArea><placeName><settlement type="city">Groningue</settlement><region nuts="2" type="province">Groningue (province)</region></placeName></affiliation></author><author><name sortKey="Koranyi, G" sort="Koranyi, G" uniqKey="Koranyi G" first="G" last="Koranyi">G. Koranyi</name></author></analytic><series><title level="j">Journal of cataract and refractive surgery</title><idno type="ISSN">0886-3350</idno><imprint><date when="1997" type="published">1997</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Algorithms</term><term>Anterior Chamber (anatomy & histology)</term><term>Biometry</term><term>Female</term><term>Follow-Up Studies</term><term>Humans</term><term>Lens, Crystalline (anatomy & histology)</term><term>Lenses, Intraocular</term><term>Male</term><term>Middle Aged</term><term>Optics and Photonics</term><term>Pilot Projects</term><term>Refraction, Ocular</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Anterior Chamber</term><term>Lens, Crystalline</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Algorithms</term><term>Biometry</term><term>Female</term><term>Follow-Up Studies</term><term>Humans</term><term>Lenses, Intraocular</term><term>Male</term><term>Middle Aged</term><term>Optics and Photonics</term><term>Pilot Projects</term><term>Refraction, Ocular</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To test algorithms for the preoperative estimation of the lens haptic plane (LHP) and to assess these in terms of predictability of postoperative refraction.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">9113578</PMID><DateCreated><Year>1997</Year><Month>06</Month><Day>27</Day></DateCreated><DateCompleted><Year>1997</Year><Month>06</Month><Day>27</Day></DateCompleted><DateRevised><Year>2008</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0886-3350</ISSN><JournalIssue CitedMedium="Print"><Volume>23</Volume><Issue>2</Issue><PubDate><Year>1997</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Journal of cataract and refractive surgery</Title><ISOAbbreviation>J Cataract Refract Surg</ISOAbbreviation></Journal><ArticleTitle>Prediction of intraocular lens power using the lens haptic plane concept.</ArticleTitle><Pagination><MedlinePgn>254-9</MedlinePgn></Pagination><Abstract><AbstractText Label="PURPOSE" NlmCategory="OBJECTIVE">To test algorithms for the preoperative estimation of the lens haptic plane (LHP) and to assess these in terms of predictability of postoperative refraction.</AbstractText><AbstractText Label="SETTING" NlmCategory="METHODS">S:t Erik's Eye Hospital, Stockholm, Sweden.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Preoperative axial length, anterior chamber depth (ACD), and cataractous lens thickness were measured in consecutive cases scheduled for phacoemulsification and posterior chamber intraocular lens (IOL) implantation. The algorithms tested used ACD and cataractous lens thickness to estimate LHP. The exact geometry of the IOL was used to calculate postoperative ACD from LHP. Thick lens theory and paraxial ray tracing were used to calculate predicted postoperative refraction. The calculated value was compared with actual refraction 3 to 6 months postoperatively.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">Mean absolute average error in predicted refraction was 0.38 diopters (D), with 78% of eyes within 0.50 D and 97% within 1.00 D for the best algorithm.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">The predictability in postoperative refraction found by applying the LHP concept and paraxial ray tracing was excellent. However, the small sample, with its unusually slight variation in axial lengths, did not allow statistically significant differences between different postoperative refraction prediction methods to be demonstrated.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Norrby</LastName><ForeName>N E</ForeName><Initials>NE</Initials><AffiliationInfo><Affiliation>Pharmacia Production BV, Groningen, The Netherlands.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Koranyi</LastName><ForeName>G</ForeName><Initials>G</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><CitationSubset>IM</CitationSubset><MeshHeadingList><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="D000465">Algorithms</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000867">Anterior Chamber</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000033">anatomy & histology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D001699">Biometry</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</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="D007908">Lens, Crystalline</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000033">anatomy & histology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D007910">Lenses, Intraocular</DescriptorName></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="D055095">Optics and Photonics</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010865">Pilot Projects</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D012029">Refraction, Ocular</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1997</Year><Month>3</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1997</Year><Month>3</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1997</Year><Month>3</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">9113578</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Pays-Bas</li></country><region><li>Groningue (province)</li></region><settlement><li>Groningue</li></settlement></list><tree><noCountry><name sortKey="Koranyi, G" sort="Koranyi, G" uniqKey="Koranyi G" first="G" last="Koranyi">G. Koranyi</name></noCountry><country name="Pays-Bas"><region name="Groningue (province)"><name sortKey="Norrby, N E" sort="Norrby, N E" uniqKey="Norrby N" first="N E" last="Norrby">N E Norrby</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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