Customized eye models for determining optimized intraocular lenses power
Identifieur interne : 002C87 ( Main/Merge ); précédent : 002C86; suivant : 002C88Customized eye models for determining optimized intraocular lenses power
Auteurs : Carmen Canovas [Espagne, Pays-Bas] ; Pablo Artal [Espagne]Source :
- Biomedical Optics Express [ 2156-7085 ] ; 2011.
Abstract
We have developed a new optical procedure to determine the optimum power of intraocular lenses (IOLs) for cataract surgery. The procedure is based on personalized eye models, where biometric data of anterior corneal shape and eye axial length are used. A polychromatic exact ray-tracing through the surfaces defining the eye model is performed for each possible IOL power and the area under the radial MTF is used as a metric. The IOL power chosen by the procedure maximizes this parameter. The IOL power for 19 normal eyes has been determined and compared with standard regression-based predictions. The impact of the anterior corneal monochromatic aberrations and the eye’s chromatic aberration on the power predictions has been studied, being significant for those eyes with severe monochromatic aberrations, such as post-LASIK cataract patients, and for specific IOLs with low Abbe numbers.
Url:
DOI: 10.1364/BOE.2.001649
PubMed: 21698026
PubMed Central: 3114231
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Customized eye models for determining optimized intraocular lenses power</title><author><name sortKey="Canovas, Carmen" sort="Canovas, Carmen" uniqKey="Canovas C" first="Carmen" last="Canovas">Carmen Canovas</name><affiliation wicri:level="1"><nlm:aff id="aff1">Laboratorio de Óptica, Instituto Universitario de Investigación en Óptica y Nanofísica, Universidad de Murcia, Campus de Espinardo (Edificio 34), 30100 Murcia,<country>Spain</country></nlm:aff><country xml:lang="fr">Espagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2">AMO Groningen B.V., Van Swietenlaan 5, 9728NX, Groningen,<country>The Netherlands</country></nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Artal, Pablo" sort="Artal, Pablo" uniqKey="Artal P" first="Pablo" last="Artal">Pablo Artal</name><affiliation wicri:level="1"><nlm:aff id="aff1">Laboratorio de Óptica, Instituto Universitario de Investigación en Óptica y Nanofísica, Universidad de Murcia, Campus de Espinardo (Edificio 34), 30100 Murcia,<country>Spain</country></nlm:aff><country xml:lang="fr">Espagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">21698026</idno><idno type="pmc">3114231</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3114231</idno><idno type="RBID">PMC:3114231</idno><idno type="doi">10.1364/BOE.2.001649</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">001C02</idno><idno type="wicri:Area/Pmc/Curation">001C02</idno><idno type="wicri:Area/Pmc/Checkpoint">001B96</idno><idno type="wicri:Area/Ncbi/Merge">001B03</idno><idno type="wicri:Area/Ncbi/Curation">001B03</idno><idno type="wicri:Area/Ncbi/Checkpoint">001B03</idno><idno type="wicri:Area/Main/Merge">002C87</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Customized eye models for determining optimized intraocular lenses power</title><author><name sortKey="Canovas, Carmen" sort="Canovas, Carmen" uniqKey="Canovas C" first="Carmen" last="Canovas">Carmen Canovas</name><affiliation wicri:level="1"><nlm:aff id="aff1">Laboratorio de Óptica, Instituto Universitario de Investigación en Óptica y Nanofísica, Universidad de Murcia, Campus de Espinardo (Edificio 34), 30100 Murcia,<country>Spain</country></nlm:aff><country xml:lang="fr">Espagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2">AMO Groningen B.V., Van Swietenlaan 5, 9728NX, Groningen,<country>The Netherlands</country></nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Artal, Pablo" sort="Artal, Pablo" uniqKey="Artal P" first="Pablo" last="Artal">Pablo Artal</name><affiliation wicri:level="1"><nlm:aff id="aff1">Laboratorio de Óptica, Instituto Universitario de Investigación en Óptica y Nanofísica, Universidad de Murcia, Campus de Espinardo (Edificio 34), 30100 Murcia,<country>Spain</country></nlm:aff><country xml:lang="fr">Espagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Biomedical Optics Express</title><idno type="eISSN">2156-7085</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>We have developed a new optical procedure to determine the optimum power of intraocular lenses (IOLs) for cataract surgery. The procedure is based on personalized eye models, where biometric data of anterior corneal shape and eye axial length are used. A polychromatic exact ray-tracing through the surfaces defining the eye model is performed for each possible IOL power and the area under the radial MTF is used as a metric. The IOL power chosen by the procedure maximizes this parameter. The IOL power for 19 normal eyes has been determined and compared with standard regression-based predictions. The impact of the anterior corneal monochromatic aberrations and the eye’s chromatic aberration on the power predictions has been studied, being significant for those eyes with severe monochromatic aberrations, such as post-LASIK cataract patients, and for specific IOLs with low Abbe numbers.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Dupps, W J" uniqKey="Dupps W">W. J. 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Taube</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Guirao, A" uniqKey="Guirao A">A. Guirao</name></author><author><name sortKey="Tejedor, J" uniqKey="Tejedor J">J. Tejedor</name></author><author><name sortKey="Artal, P" uniqKey="Artal P">P. Artal</name></author></analytic></biblStruct></listBibl></div1></back></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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