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Trial of a disc lens for intercapsular cataract extraction.

Identifieur interne : 002034 ( Ncbi/Merge ); précédent : 002033; suivant : 002035

Trial of a disc lens for intercapsular cataract extraction.

Auteurs : D G Kent [Nouvelle-Zélande] ; K A Gross

Source :

Australian and New Zealand journal of ophthalmology [ 0814-9763 ] ; 1990.

RBID : pubmed:2261182

English descriptors

KwdEn :
- Adolescent, Adult, Aged, Aged, 80 and over, Cataract Extraction (methods), Female, Follow-Up Studies, Humans, Lens Capsule, Crystalline (surgery), Lenses, Intraocular, Male, Methylmethacrylates, Middle Aged, Optics and Photonics, Pupil, Random Allocation, Refraction, Ocular, Visual Acuity.
MESH :
- chemical : Methylmethacrylates.
- methods : Cataract Extraction.
- surgery : Lens Capsule, Crystalline.
- Adolescent, Adult, Aged, Aged, 80 and over, Female, Follow-Up Studies, Humans, Lenses, Intraocular, Male, Middle Aged, Optics and Photonics, Pupil, Random Allocation, Refraction, Ocular, Visual Acuity.

Abstract

The preliminary results are presented of a prospective trial of a new 'disc' intraocular lens. (Pharmacia Model CD801A). Forty-four lenses were implanted into the capsular bag using an intercapsular cataract extraction technique. The lens is a one-piece all-polymethylmethacrylate (PMMA) lens with a 6 mm biconvex optic. The optic sits within a 9 mm diameter flexible PMMA ring. Two haptic stalks link this flexible haptic ring to the optic. The lens was assessed for its ease of insertion, its rate of decentration, the incidence of posterior capsular opacity and its effects on pupillary function. Results of the trial at three months follow-up are presented. They show that the lens is easy to insert into the capsular bag even through small pupils. It is very easy to dial, placing no stress on the bag when doing so. The incidence of decentration of 1 mm or greater was 5%, and the incidence of posterior capsular fibrosis at three months was 2%. As predicted, the lens sits well back in the eye, clear of the pupil.

PubMed: 2261182

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pubmed:2261182

Le document en format XML

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<author><name sortKey="Kent, D G" sort="Kent, D G" uniqKey="Kent D" first="D G" last="Kent">D G Kent</name>
<affiliation wicri:level="1"><nlm:affiliation>Ophthalmology Registrar, Waikato Public Hospital, Hamilton, New Zealand.</nlm:affiliation>
<country xml:lang="fr">Nouvelle-Zélande</country>
<wicri:regionArea>Ophthalmology Registrar, Waikato Public Hospital, Hamilton</wicri:regionArea>
<wicri:noRegion>Hamilton</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Gross, K A" sort="Gross, K A" uniqKey="Gross K" first="K A" last="Gross">K A Gross</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Trial of a disc lens for intercapsular cataract extraction.</title>
<author><name sortKey="Kent, D G" sort="Kent, D G" uniqKey="Kent D" first="D G" last="Kent">D G Kent</name>
<affiliation wicri:level="1"><nlm:affiliation>Ophthalmology Registrar, Waikato Public Hospital, Hamilton, New Zealand.</nlm:affiliation>
<country xml:lang="fr">Nouvelle-Zélande</country>
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<author><name sortKey="Gross, K A" sort="Gross, K A" uniqKey="Gross K" first="K A" last="Gross">K A Gross</name>
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<series><title level="j">Australian and New Zealand journal of ophthalmology</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term>
<term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Cataract Extraction (methods)</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Lens Capsule, Crystalline (surgery)</term>
<term>Lenses, Intraocular</term>
<term>Male</term>
<term>Methylmethacrylates</term>
<term>Middle Aged</term>
<term>Optics and Photonics</term>
<term>Pupil</term>
<term>Random Allocation</term>
<term>Refraction, Ocular</term>
<term>Visual Acuity</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><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>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>Pupil</term>
<term>Random Allocation</term>
<term>Refraction, Ocular</term>
<term>Visual Acuity</term>
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<front><div type="abstract" xml:lang="en">The preliminary results are presented of a prospective trial of a new 'disc' intraocular lens. (Pharmacia Model CD801A). Forty-four lenses were implanted into the capsular bag using an intercapsular cataract extraction technique. The lens is a one-piece all-polymethylmethacrylate (PMMA) lens with a 6 mm biconvex optic. The optic sits within a 9 mm diameter flexible PMMA ring. Two haptic stalks link this flexible haptic ring to the optic. The lens was assessed for its ease of insertion, its rate of decentration, the incidence of posterior capsular opacity and its effects on pupillary function. Results of the trial at three months follow-up are presented. They show that the lens is easy to insert into the capsular bag even through small pupils. It is very easy to dial, placing no stress on the bag when doing so. The incidence of decentration of 1 mm or greater was 5%, and the incidence of posterior capsular fibrosis at three months was 2%. As predicted, the lens sits well back in the eye, clear of the pupil.</div>
</front>
</TEI>
<pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">2261182</PMID>
<DateCreated><Year>1991</Year>
<Month>02</Month>
<Day>07</Day>
</DateCreated>
<DateCompleted><Year>1991</Year>
<Month>02</Month>
<Day>07</Day>
</DateCompleted>
<DateRevised><Year>2008</Year>
<Month>11</Month>
<Day>21</Day>
</DateRevised>
<Article PubModel="Print"><Journal><ISSN IssnType="Print">0814-9763</ISSN>
<JournalIssue CitedMedium="Print"><Volume>18</Volume>
<Issue>3</Issue>
<PubDate><Year>1990</Year>
<Month>Aug</Month>
</PubDate>
</JournalIssue>
<Title>Australian and New Zealand journal of ophthalmology</Title>
<ISOAbbreviation>Aust N Z J Ophthalmol</ISOAbbreviation>
</Journal>
<ArticleTitle>Trial of a disc lens for intercapsular cataract extraction.</ArticleTitle>
<Pagination><MedlinePgn>329-34</MedlinePgn>
</Pagination>
<Abstract><AbstractText>The preliminary results are presented of a prospective trial of a new 'disc' intraocular lens. (Pharmacia Model CD801A). Forty-four lenses were implanted into the capsular bag using an intercapsular cataract extraction technique. The lens is a one-piece all-polymethylmethacrylate (PMMA) lens with a 6 mm biconvex optic. The optic sits within a 9 mm diameter flexible PMMA ring. Two haptic stalks link this flexible haptic ring to the optic. The lens was assessed for its ease of insertion, its rate of decentration, the incidence of posterior capsular opacity and its effects on pupillary function. Results of the trial at three months follow-up are presented. They show that the lens is easy to insert into the capsular bag even through small pupils. It is very easy to dial, placing no stress on the bag when doing so. The incidence of decentration of 1 mm or greater was 5%, and the incidence of posterior capsular fibrosis at three months was 2%. As predicted, the lens sits well back in the eye, clear of the pupil.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kent</LastName>
<ForeName>D G</ForeName>
<Initials>DG</Initials>
<AffiliationInfo><Affiliation>Ophthalmology Registrar, Waikato Public Hospital, Hamilton, New Zealand.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Gross</LastName>
<ForeName>K A</ForeName>
<Initials>KA</Initials>
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<MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000293">Adolescent</DescriptorName>
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<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>
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<MeshHeading><DescriptorName MajorTopicYN="Y" UI="D002387">Cataract Extraction</DescriptorName>
<QualifierName MajorTopicYN="N" UI="Q000379">methods</QualifierName>
</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="D007903">Lens Capsule, Crystalline</DescriptorName>
<QualifierName MajorTopicYN="N" UI="Q000601">surgery</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="D008768">Methylmethacrylates</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D008875">Middle Aged</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D055095">Optics and Photonics</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D011680">Pupil</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D011897">Random Allocation</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D012029">Refraction, Ocular</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D014792">Visual Acuity</DescriptorName>
</MeshHeading>
</MeshHeadingList>
</MedlineCitation>
<PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1990</Year>
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<Day>1</Day>
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<affiliations><list><country><li>Nouvelle-Zélande</li>
</country>
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<tree><noCountry><name sortKey="Gross, K A" sort="Gross, K A" uniqKey="Gross K" first="K A" last="Gross">K A Gross</name>
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<country name="Nouvelle-Zélande"><noRegion><name sortKey="Kent, D G" sort="Kent, D G" uniqKey="Kent D" first="D G" last="Kent">D G Kent</name>
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Trial of a disc lens for intercapsular cataract extraction.

Trial of a disc lens for intercapsular cataract extraction.

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki