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Changes in intraocular lens position after neodymium:YAG capsulotomy

Identifieur interne : 008325 ( Main/Exploration ); précédent : 008324; suivant : 008326

Changes in intraocular lens position after neodymium:YAG capsulotomy

Auteurs : Oliver Findl [Autriche] ; Wolfgang Drexler [Autriche] ; Rupert Menapace [Autriche] ; Michael Georgopoulos [Autriche] ; Georg Rainer [Autriche] ; Christoph K. Hitzenberger [Autriche] ; Adolf F. Fercher [Autriche]

Source :

Journal of Cataract & Refractive Surgery [ 0886-3350 ] ; 1998.

RBID : ISTEX:2DA20CB8474061031EE6DDBE481978B11B0A84EB

Descripteurs français

Pascal (Inist)
- Capsule, Capsulotomie, Chambre postérieure, Complication, Cristallin, Homme, Iatrogène, Laser YAG, Lentille intraoculaire, Luxation, Néodyme, Opacification, Peropératoire, Postérieur, Traitement.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Adult, Aged, Aged, 80 and over, Anterior Chamber (pathology), Capsule, Capsulotomy, Complication, Foreign-Body Migration (etiology), Foreign-Body Migration (pathology), Human, Humans, Iatrogenic, Interferometry, Intraocular lens, Intraoperative, Laser Therapy (adverse effects), Lens, Lens Capsule, Crystalline (pathology), Lens Capsule, Crystalline (surgery), Lenses, Intraocular, Light, Luxation, Middle Aged, Neodymium, Opacification, Polymethyl Methacrylate, Posterior, Posterior chamber, Prospective Studies, Pseudophakia (complications), Treatment, YAG laser.
MESH :
- chemical : Polymethyl Methacrylate.
- adverse effects : Laser Therapy.
- complications : Pseudophakia.
- etiology : Foreign-Body Migration.
- pathology : Anterior Chamber, Foreign-Body Migration, Lens Capsule, Crystalline.
- surgery : Lens Capsule, Crystalline.
- Adult, Aged, Aged, 80 and over, Humans, Interferometry, Lenses, Intraocular, Light, Middle Aged, Prospective Studies.

Abstract

Purpose To quantify changes in intraocular lens (IOL) position caused by neodymium:YAG (Nd:YAG) capsulotomy with 3 IOL styles.Setting Department of Ophthalmology, University of Vienna, Austria.Methods In a prospective study, anterior chamber depth (ACD) was measured by dual-beam partial coherence interferometry (PCI) in 32 pseudophakic eyes of 32 patients with posterior capsule opacification before and immediately after planned capsulotomy under mydriasis. Patients were divided into 3 groups with the following IOL styles: 1-piece poly(methyl methacrylate) (PMMA), 3-piece foldable, and plate haptic.Results The capsulotomy induced a backward IOL movement in all 32 eyes (mean 25 μm; range 9 to 55 μm). It was more pronounced in eyes with plate-haptic IOLs than in those with the other styles. Precision of ACD measurement by PCI was 4 μm. Changes in ACD correlated significantly with capsulotomy size but not with preoperative lens–capsule distance.Conclusion Capsulotomy caused a backward movement of the IOL, which was more pronounced with plate-haptic IOLs than with 1-piece PMMA and 3-piece foldable IOLs. Since the magnitude of IOL movement in this study population was small, a hyperopic shift in refraction after capsulotomy will usually be small and not clinically relevant.

Url:

https://api.istex.fr/document/2DA20CB8474061031EE6DDBE481978B11B0A84EB/fulltext/pdf

DOI: 10.1016/S0886-3350(99)00010-3

Affiliations:

Le document en format XML

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<term>Anterior Chamber (pathology)</term>
<term>Capsule</term>
<term>Capsulotomy</term>
<term>Complication</term>
<term>Foreign-Body Migration (etiology)</term>
<term>Foreign-Body Migration (pathology)</term>
<term>Human</term>
<term>Humans</term>
<term>Iatrogenic</term>
<term>Interferometry</term>
<term>Intraocular lens</term>
<term>Intraoperative</term>
<term>Laser Therapy (adverse effects)</term>
<term>Lens</term>
<term>Lens Capsule, Crystalline (pathology)</term>
<term>Lens Capsule, Crystalline (surgery)</term>
<term>Lenses, Intraocular</term>
<term>Light</term>
<term>Luxation</term>
<term>Middle Aged</term>
<term>Neodymium</term>
<term>Opacification</term>
<term>Polymethyl Methacrylate</term>
<term>Posterior</term>
<term>Posterior chamber</term>
<term>Prospective Studies</term>
<term>Pseudophakia (complications)</term>
<term>Treatment</term>
<term>YAG laser</term>
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</keywords>
<keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Pseudophakia</term>
</keywords>
<keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Foreign-Body Migration</term>
</keywords>
<keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Anterior Chamber</term>
<term>Foreign-Body Migration</term>
<term>Lens Capsule, Crystalline</term>
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<keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Lens Capsule, Crystalline</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Humans</term>
<term>Interferometry</term>
<term>Lenses, Intraocular</term>
<term>Light</term>
<term>Middle Aged</term>
<term>Prospective Studies</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Capsule</term>
<term>Capsulotomie</term>
<term>Chambre postérieure</term>
<term>Complication</term>
<term>Cristallin</term>
<term>Homme</term>
<term>Iatrogène</term>
<term>Laser YAG</term>
<term>Lentille intraoculaire</term>
<term>Luxation</term>
<term>Néodyme</term>
<term>Opacification</term>
<term>Peropératoire</term>
<term>Postérieur</term>
<term>Traitement</term>
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<front><div type="abstract" xml:lang="en">Purpose To quantify changes in intraocular lens (IOL) position caused by neodymium:YAG (Nd:YAG) capsulotomy with 3 IOL styles.Setting Department of Ophthalmology, University of Vienna, Austria.Methods In a prospective study, anterior chamber depth (ACD) was measured by dual-beam partial coherence interferometry (PCI) in 32 pseudophakic eyes of 32 patients with posterior capsule opacification before and immediately after planned capsulotomy under mydriasis. Patients were divided into 3 groups with the following IOL styles: 1-piece poly(methyl methacrylate) (PMMA), 3-piece foldable, and plate haptic.Results The capsulotomy induced a backward IOL movement in all 32 eyes (mean 25 μm; range 9 to 55 μm). It was more pronounced in eyes with plate-haptic IOLs than in those with the other styles. Precision of ACD measurement by PCI was 4 μm. Changes in ACD correlated significantly with capsulotomy size but not with preoperative lens–capsule distance.Conclusion Capsulotomy caused a backward movement of the IOL, which was more pronounced with plate-haptic IOLs than with 1-piece PMMA and 3-piece foldable IOLs. Since the magnitude of IOL movement in this study population was small, a hyperopic shift in refraction after capsulotomy will usually be small and not clinically relevant.</div>
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<name sortKey="Drexler, Wolfgang" sort="Drexler, Wolfgang" uniqKey="Drexler W" first="Wolfgang" last="Drexler">Wolfgang Drexler</name>
<name sortKey="Fercher, Adolf F" sort="Fercher, Adolf F" uniqKey="Fercher A" first="Adolf F" last="Fercher">Adolf F. Fercher</name>
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<name sortKey="Menapace, Rupert" sort="Menapace, Rupert" uniqKey="Menapace R" first="Rupert" last="Menapace">Rupert Menapace</name>
<name sortKey="Rainer, Georg" sort="Rainer, Georg" uniqKey="Rainer G" first="Georg" last="Rainer">Georg Rainer</name>
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Changes in intraocular lens position after neodymium:YAG capsulotomy

Changes in intraocular lens position after neodymium:YAG capsulotomy

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Abstract

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