Role of positioning holes in intraocular lens glare.
Identifieur interne : 003A62 ( Ncbi/Checkpoint ); précédent : 003A61; suivant : 003A63Role of positioning holes in intraocular lens glare.
Auteurs : K. Ohara [Japon] ; K. AbeSource :
- Journal of cataract and refractive surgery [ 0886-3350 ] ; 1989.
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Abstract
We performed laboratory studies to determine the role of positioning holes in posterior chamber intraocular lens glare. Several areas of the lens optic were illuminated independently, and the scattering light off the lens was photographed. A conventional lathe-cut lens with four positioning holes on the optic produced the most intense light scattering. Scattering off nonilluminated areas was apparent, and it was suggested that the presence of positioning holes on the optic might contribute to the scattering. Optically complex areas including a hole, optic edge, a loop insertion, and optic-haptic junction produced the scattering in all lenses of various designs. An internal reflex inside the optic may occur, and complex or irregular structures in the optic may be a source of light scattering and some intraocular lens glare.
PubMed: 2614707
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Role of positioning holes in intraocular lens glare.</title><author><name sortKey="Ohara, K" sort="Ohara, K" uniqKey="Ohara K" first="K" last="Ohara">K. Ohara</name><affiliation wicri:level="1"><nlm:affiliation>Department of Ophthalmology, Jichi Medical School, Tochigi-ken, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Ophthalmology, Jichi Medical School, Tochigi-ken</wicri:regionArea><wicri:noRegion>Tochigi-ken</wicri:noRegion></affiliation></author><author><name sortKey="Abe, K" sort="Abe, K" uniqKey="Abe K" first="K" last="Abe">K. Abe</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1989">1989</date><idno type="RBID">pubmed:2614707</idno><idno type="pmid">2614707</idno><idno type="wicri:Area/PubMed/Corpus">002253</idno><idno type="wicri:Area/PubMed/Curation">002253</idno><idno type="wicri:Area/PubMed/Checkpoint">001F78</idno><idno type="wicri:Area/Ncbi/Merge">003A62</idno><idno type="wicri:Area/Ncbi/Curation">003A62</idno><idno type="wicri:Area/Ncbi/Checkpoint">003A62</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Role of positioning holes in intraocular lens glare.</title><author><name sortKey="Ohara, K" sort="Ohara, K" uniqKey="Ohara K" first="K" last="Ohara">K. Ohara</name><affiliation wicri:level="1"><nlm:affiliation>Department of Ophthalmology, Jichi Medical School, Tochigi-ken, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Ophthalmology, Jichi Medical School, Tochigi-ken</wicri:regionArea><wicri:noRegion>Tochigi-ken</wicri:noRegion></affiliation></author><author><name sortKey="Abe, K" sort="Abe, K" uniqKey="Abe K" first="K" last="Abe">K. Abe</name></author></analytic><series><title level="j">Journal of cataract and refractive surgery</title><idno type="ISSN">0886-3350</idno><imprint><date when="1989" type="published">1989</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Lenses, Intraocular</term><term>Light</term><term>Optics and Photonics</term><term>Photography</term><term>Prosthesis Design</term><term>Scattering, Radiation</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Lenses, Intraocular</term><term>Light</term><term>Optics and Photonics</term><term>Photography</term><term>Prosthesis Design</term><term>Scattering, Radiation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We performed laboratory studies to determine the role of positioning holes in posterior chamber intraocular lens glare. Several areas of the lens optic were illuminated independently, and the scattering light off the lens was photographed. A conventional lathe-cut lens with four positioning holes on the optic produced the most intense light scattering. Scattering off nonilluminated areas was apparent, and it was suggested that the presence of positioning holes on the optic might contribute to the scattering. Optically complex areas including a hole, optic edge, a loop insertion, and optic-haptic junction produced the scattering in all lenses of various designs. An internal reflex inside the optic may occur, and complex or irregular structures in the optic may be a source of light scattering and some intraocular lens glare.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><noCountry><name sortKey="Abe, K" sort="Abe, K" uniqKey="Abe K" first="K" last="Abe">K. Abe</name></noCountry><country name="Japon"><noRegion><name sortKey="Ohara, K" sort="Ohara, K" uniqKey="Ohara K" first="K" last="Ohara">K. Ohara</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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