Implantation of a customized toric intraocular lens for correction of post-keratoplasty astigmatism
Identifieur interne : 000005 ( Pmc/Curation ); précédent : 000004; suivant : 000006Implantation of a customized toric intraocular lens for correction of post-keratoplasty astigmatism
Auteurs : S. Srinivasan [Royaume-Uni] ; D S J. Ting [Royaume-Uni] ; D A M. Lyall [Royaume-Uni]Source :
- Eye [ 0950-222X ] ; 2013.
Abstract
To report visual and refractive outcomes, and endothelial cell loss following primary and secondary ‘piggyback' toric intraocular lens (IOL) implantation in patients with high post-penetrating keratoplasty (PK) astigmatism.
Prospective case series. Nine eyes of nine patients with post-PK astigmatism were consecutively recruited for implantation of a customized toric IOL. Six underwent simultaneous phacoemulsification (PE) and three pseudophakic eyes had a secondary ‘piggyback' toric IOL implanted in the ciliary sulcus. Mean follow-up time was 17.2±7.7 months. Pre- and post-operative uncorrected (UDVA) and best-corrected (BDVA) distance visual acuities and refractive errors were collected for comparison. Cartesian astigmatic vectors were calculated to identify a change in the magnitude of astigmatism pre- compared to postoperatively. Pre- and post-operative endothelial cell counts were also collected for analysis.
UDVA (logMAR) improved from 1.13±0.51 preoperatively to 0.48±0.24 postoperatively (
Implantation of a customized primary or secondary ‘piggyback' toric IOL serves as an effective modality in treating patients with high post-PK astigmatism.
Url:
DOI: 10.1038/eye.2012.300
PubMed: 23348728
PubMed Central: 3626004
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Srinivasan</name><affiliation wicri:level="1"><nlm:aff id="aff1"><institution>Department of Ophthalmology, University Hospital Ayr</institution>, Ayr, Scotland,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2"><institution>Faculty of Medicine, University of Glasgow</institution>, Glasgow, Scotland,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Ting, D S J" sort="Ting, D S J" uniqKey="Ting D" first="D S J" last="Ting">D S J. Ting</name><affiliation wicri:level="1"><nlm:aff id="aff1"><institution>Department of Ophthalmology, University Hospital Ayr</institution>, Ayr, Scotland,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Lyall, D A M" sort="Lyall, D A M" uniqKey="Lyall D" first="D A M" last="Lyall">D A M. Lyall</name><affiliation wicri:level="1"><nlm:aff id="aff1"><institution>Department of Ophthalmology, University Hospital Ayr</institution>, Ayr, Scotland,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">23348728</idno><idno type="pmc">3626004</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3626004</idno><idno type="RBID">PMC:3626004</idno><idno type="doi">10.1038/eye.2012.300</idno><date when="2013">2013</date><idno type="wicri:Area/Pmc/Corpus">000005</idno><idno type="wicri:Area/Pmc/Curation">000005</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Implantation of a customized toric intraocular lens for correction of post-keratoplasty astigmatism</title><author><name sortKey="Srinivasan, S" sort="Srinivasan, S" uniqKey="Srinivasan S" first="S" last="Srinivasan">S. Srinivasan</name><affiliation wicri:level="1"><nlm:aff id="aff1"><institution>Department of Ophthalmology, University Hospital Ayr</institution>, Ayr, Scotland,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2"><institution>Faculty of Medicine, University of Glasgow</institution>, Glasgow, Scotland,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Ting, D S J" sort="Ting, D S J" uniqKey="Ting D" first="D S J" last="Ting">D S J. Ting</name><affiliation wicri:level="1"><nlm:aff id="aff1"><institution>Department of Ophthalmology, University Hospital Ayr</institution>, Ayr, Scotland,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Lyall, D A M" sort="Lyall, D A M" uniqKey="Lyall D" first="D A M" last="Lyall">D A M. Lyall</name><affiliation wicri:level="1"><nlm:aff id="aff1"><institution>Department of Ophthalmology, University Hospital Ayr</institution>, Ayr, Scotland,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Eye</title><idno type="ISSN">0950-222X</idno><idno type="eISSN">1476-5454</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Purpose</title><p>To report visual and refractive outcomes, and endothelial cell loss following primary and secondary ‘piggyback' toric intraocular lens (IOL) implantation in patients with high post-penetrating keratoplasty (PK) astigmatism.</p></sec><sec sec-type="methods"><title>Methods</title><p>Prospective case series. Nine eyes of nine patients with post-PK astigmatism were consecutively recruited for implantation of a customized toric IOL. Six underwent simultaneous phacoemulsification (PE) and three pseudophakic eyes had a secondary ‘piggyback' toric IOL implanted in the ciliary sulcus. Mean follow-up time was 17.2±7.7 months. Pre- and post-operative uncorrected (UDVA) and best-corrected (BDVA) distance visual acuities and refractive errors were collected for comparison. Cartesian astigmatic vectors were calculated to identify a change in the magnitude of astigmatism pre- compared to postoperatively. Pre- and post-operative endothelial cell counts were also collected for analysis.</p></sec><sec sec-type="results"><title>Results</title><p>UDVA (logMAR) improved from 1.13±0.51 preoperatively to 0.48±0.24 postoperatively (<italic>P</italic>-value=0.003). There was no significant change in BDVA (<italic>P</italic>-value=0.905) from 0.31±0.27 to 0.26±0.19. Corneal astigmatism preoperatively was 6.57±4.40 diopters (D). Post-operative refractive cylinder was 0.83±1.09 D compared to 3.89±4.01 D preoperatively (<italic>P</italic>=0.039). Analysis of astigmatic Cartesian x and y coordinates found a significant reduction postoperatively compared to preoperatively (<italic>P</italic>=0.005 and <italic>P</italic>=0.002), respectively. Mean endothelial cell loss was 9.9%.</p></sec><sec><title>Conclusion:</title><p>Implantation of a customized primary or secondary ‘piggyback' toric IOL serves as an effective modality in treating patients with high post-PK astigmatism.</p></sec></div></front></TEI><pmc article-type="other"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Eye (Lond)</journal-id><journal-id journal-id-type="iso-abbrev">Eye (Lond)</journal-id><journal-title-group><journal-title>Eye</journal-title></journal-title-group><issn pub-type="ppub">0950-222X</issn><issn pub-type="epub">1476-5454</issn><publisher><publisher-name>Nature Publishing Group</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">23348728</article-id><article-id pub-id-type="pmc">3626004</article-id><article-id pub-id-type="pii">eye2012300</article-id><article-id pub-id-type="doi">10.1038/eye.2012.300</article-id><article-categories><subj-group subj-group-type="heading"><subject>Clinical Study</subject></subj-group></article-categories><title-group><article-title>Implantation of a customized toric intraocular lens for correction of post-keratoplasty astigmatism</article-title><alt-title alt-title-type="running">Toric intraocular lens use following penetrating keratoplasty</alt-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Srinivasan</surname><given-names>S</given-names></name><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff2">2</xref><xref ref-type="corresp" rid="caf1">*</xref></contrib><contrib contrib-type="author"><name><surname>Ting</surname><given-names>D S J</given-names></name><xref ref-type="aff" rid="aff1">1</xref></contrib><contrib contrib-type="author"><name><surname>Lyall</surname><given-names>D A M</given-names></name><xref ref-type="aff" rid="aff1">1</xref></contrib><aff id="aff1"><label>1</label><institution>Department of Ophthalmology, University Hospital Ayr</institution>, Ayr, Scotland,<country>UK</country></aff><aff id="aff2"><label>2</label><institution>Faculty of Medicine, University of Glasgow</institution>, Glasgow, Scotland,<country>UK</country></aff></contrib-group><author-notes><corresp id="caf1"><label>*</label><institution>Department of Ophthalmology, University Hospital Ayr</institution>, 3rd Floor, Dalmellington Road, Ayr, Scotland KA6 6DX, <country>UK</country>. Tel: +44 1292 614843, Fax: +44 1292 614646, E-mail: <email>sathish.srinivasan@gmail.com</email></corresp></author-notes><pub-date pub-type="ppub"><month>04</month><year>2013</year></pub-date><pub-date pub-type="epub"><day>25</day><month>01</month><year>2013</year></pub-date><volume>27</volume><issue>4</issue><fpage>531</fpage><lpage>537</lpage><history><date date-type="received"><day>28</day><month>06</month><year>2012</year></date><date date-type="accepted"><day>13</day><month>12</month><year>2012</year></date></history><permissions><copyright-statement>Copyright © 2013 Royal College of Ophthalmologists</copyright-statement><copyright-year>2013</copyright-year><copyright-holder>Royal College of Ophthalmologists</copyright-holder></permissions><abstract><sec><title>Purpose</title><p>To report visual and refractive outcomes, and endothelial cell loss following primary and secondary ‘piggyback' toric intraocular lens (IOL) implantation in patients with high post-penetrating keratoplasty (PK) astigmatism.</p></sec><sec sec-type="methods"><title>Methods</title><p>Prospective case series. Nine eyes of nine patients with post-PK astigmatism were consecutively recruited for implantation of a customized toric IOL. Six underwent simultaneous phacoemulsification (PE) and three pseudophakic eyes had a secondary ‘piggyback' toric IOL implanted in the ciliary sulcus. Mean follow-up time was 17.2±7.7 months. Pre- and post-operative uncorrected (UDVA) and best-corrected (BDVA) distance visual acuities and refractive errors were collected for comparison. Cartesian astigmatic vectors were calculated to identify a change in the magnitude of astigmatism pre- compared to postoperatively. Pre- and post-operative endothelial cell counts were also collected for analysis.</p></sec><sec sec-type="results"><title>Results</title><p>UDVA (logMAR) improved from 1.13±0.51 preoperatively to 0.48±0.24 postoperatively (<italic>P</italic>-value=0.003). There was no significant change in BDVA (<italic>P</italic>-value=0.905) from 0.31±0.27 to 0.26±0.19. Corneal astigmatism preoperatively was 6.57±4.40 diopters (D). Post-operative refractive cylinder was 0.83±1.09 D compared to 3.89±4.01 D preoperatively (<italic>P</italic>=0.039). Analysis of astigmatic Cartesian x and y coordinates found a significant reduction postoperatively compared to preoperatively (<italic>P</italic>=0.005 and <italic>P</italic>=0.002), respectively. Mean endothelial cell loss was 9.9%.</p></sec><sec><title>Conclusion:</title><p>Implantation of a customized primary or secondary ‘piggyback' toric IOL serves as an effective modality in treating patients with high post-PK astigmatism.</p></sec></abstract><kwd-group><kwd>penetrating keratoplasty</kwd><kwd>astigmatism</kwd><kwd>toric intraocular lens</kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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