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Change in IOL position and capsular bag size with an angulated intraocular lens early after cataract surgery

Identifieur interne : 006609 ( Main/Exploration ); précédent : 006608; suivant : 006610

Change in IOL position and capsular bag size with an angulated intraocular lens early after cataract surgery

Auteurs : Christina Koeppl [Autriche] ; Oliver Findl [Autriche] ; Katharina Kriechbaum [Autriche] ; Stefan Sacu [Autriche] ; Wolfgang Drexler [Autriche]

Source :

Journal of cataract and refractive surgery [ 0886-3350 ] ; 2005.

RBID : Pascal:05-0186375

Descripteurs français

Pascal (Inist)
- Cataracte, Changement, Lentille intraoculaire, Position, Sac capsulaire, Taille, Précoce, Chirurgie, Ophtalmologie.
Wicri :
- topic : Chirurgie.

English descriptors

KwdEn :
- Adult, Aged, Aged, 80 and over, Anterior Chamber (pathology), Capsular bag, Cataract, Change, Early, Female, Foreign-Body Migration (physiopathology), Humans, Interferometry, Intraocular lens, Lens Capsule, Crystalline (pathology), Lens Implantation, Intraocular, Lenses, Intraocular, Male, Middle Aged, Ophthalmology, Phacoemulsification, Position, Prospective Studies, Prosthesis Design, Pseudophakia (physiopathology), Size, Surgery, Time Factors.
MESH :
- pathology : Anterior Chamber, Lens Capsule, Crystalline.
- physiopathology : Foreign-Body Migration, Pseudophakia.
- Adult, Aged, Aged, 80 and over, Female, Humans, Interferometry, Lens Implantation, Intraocular, Lenses, Intraocular, Male, Middle Aged, Phacoemulsification, Prospective Studies, Prosthesis Design, Time Factors.

Abstract

Purpose: To investigate the axial movement in the first postoperative week and the influence of capsular bag size with an angulated, 3-piece, open-loop, acrylic intraocular lens (IOL). Setting: Department of Ophthalmology, Medical University of Vienna, Vienna, Austria. Methods: Twenty-nine eyes of 29 patients with age-related cataract were included in this study. In study 1, an open-loop, 3-piece IOL (AR40e, AMO) was implanted in a standardized fashion in 15 eyes of 15 patients. In study 2, before IOL implantation, a capsular tension ring (CTR) was inserted (14 eyes of 14 patients). Anterior chamber depth (ACD) was assessed with partial coherence interferometry 2 hours; 1, 3, and 5 days; 1 week; and 1 month postoperatively. The capsular bag diameter (CBD) was assessed using gonioscopic measurement of the eyelets of the CTR 1 day, 1 week, and 1 month postoperatively. Results: In the first postoperative week, there was a significant mean forward movement of -196 μm ± 117 (SD) (P<.005) in study 1 and -139 ± 97 μm in study 2 (P<.005). These movements correspond to refractive changes of -0.31 diopter (D) and -0.20 D, respectively. The movement was linear in the first 5 days after surgery. Different patterns of early postoperative movement were seen, illustrating interindividual variability. A significant correlation of 0.67 (P<.05) was found between the change in ACD and CBD. Conclusions: A linear forward movement of the IOL during the first postoperative week was followed by a relatively stable IOL position. Loss of haptic memory seemed to be the most likely cause. Myopic eyes with large capsular bags showed less IOL shift in the early postoperative period than hyperopic eyes with smaller capsular bags.

Affiliations:

Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Anterior Chamber (pathology)</term>
<term>Capsular bag</term>
<term>Cataract</term>
<term>Change</term>
<term>Early</term>
<term>Female</term>
<term>Foreign-Body Migration (physiopathology)</term>
<term>Humans</term>
<term>Interferometry</term>
<term>Intraocular lens</term>
<term>Lens Capsule, Crystalline (pathology)</term>
<term>Lens Implantation, Intraocular</term>
<term>Lenses, Intraocular</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Ophthalmology</term>
<term>Phacoemulsification</term>
<term>Position</term>
<term>Prospective Studies</term>
<term>Prosthesis Design</term>
<term>Pseudophakia (physiopathology)</term>
<term>Size</term>
<term>Surgery</term>
<term>Time Factors</term>
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<keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Anterior Chamber</term>
<term>Lens Capsule, Crystalline</term>
</keywords>
<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Foreign-Body Migration</term>
<term>Pseudophakia</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Female</term>
<term>Humans</term>
<term>Interferometry</term>
<term>Lens Implantation, Intraocular</term>
<term>Lenses, Intraocular</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Phacoemulsification</term>
<term>Prospective Studies</term>
<term>Prosthesis Design</term>
<term>Time Factors</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Cataracte</term>
<term>Changement</term>
<term>Lentille intraoculaire</term>
<term>Position</term>
<term>Sac capsulaire</term>
<term>Taille</term>
<term>Précoce</term>
<term>Chirurgie</term>
<term>Ophtalmologie</term>
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<front><div type="abstract" xml:lang="en">Purpose: To investigate the axial movement in the first postoperative week and the influence of capsular bag size with an angulated, 3-piece, open-loop, acrylic intraocular lens (IOL). Setting: Department of Ophthalmology, Medical University of Vienna, Vienna, Austria. Methods: Twenty-nine eyes of 29 patients with age-related cataract were included in this study. In study 1, an open-loop, 3-piece IOL (AR40e, AMO) was implanted in a standardized fashion in 15 eyes of 15 patients. In study 2, before IOL implantation, a capsular tension ring (CTR) was inserted (14 eyes of 14 patients). Anterior chamber depth (ACD) was assessed with partial coherence interferometry 2 hours; 1, 3, and 5 days; 1 week; and 1 month postoperatively. The capsular bag diameter (CBD) was assessed using gonioscopic measurement of the eyelets of the CTR 1 day, 1 week, and 1 month postoperatively. Results: In the first postoperative week, there was a significant mean forward movement of -196 μm ± 117 (SD) (P<.005) in study 1 and -139 ± 97 μm in study 2 (P<.005). These movements correspond to refractive changes of -0.31 diopter (D) and -0.20 D, respectively. The movement was linear in the first 5 days after surgery. Different patterns of early postoperative movement were seen, illustrating interindividual variability. A significant correlation of 0.67 (P<.05) was found between the change in ACD and CBD. Conclusions: A linear forward movement of the IOL during the first postoperative week was followed by a relatively stable IOL position. Loss of haptic memory seemed to be the most likely cause. Myopic eyes with large capsular bags showed less IOL shift in the early postoperative period than hyperopic eyes with smaller capsular bags.</div>
</front>
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<affiliations><list><country><li>Autriche</li>
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<tree><country name="Autriche"><region name="Vienne (Autriche)"><name sortKey="Koeppl, Christina" sort="Koeppl, Christina" uniqKey="Koeppl C" first="Christina" last="Koeppl">Christina Koeppl</name>
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<name sortKey="Drexler, Wolfgang" sort="Drexler, Wolfgang" uniqKey="Drexler W" first="Wolfgang" last="Drexler">Wolfgang Drexler</name>
<name sortKey="Findl, Oliver" sort="Findl, Oliver" uniqKey="Findl O" first="Oliver" last="Findl">Oliver Findl</name>
<name sortKey="Kriechbaum, Katharina" sort="Kriechbaum, Katharina" uniqKey="Kriechbaum K" first="Katharina" last="Kriechbaum">Katharina Kriechbaum</name>
<name sortKey="Sacu, Stefan" sort="Sacu, Stefan" uniqKey="Sacu S" first="Stefan" last="Sacu">Stefan Sacu</name>
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Serveur d'exploration sur les dispositifs haptiques

Change in IOL position and capsular bag size with an angulated intraocular lens early after cataract surgery

Change in IOL position and capsular bag size with an angulated intraocular lens early after cataract surgery

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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