HapticV1, Main, Exploration, bibRecordById, pubmed:10711882

Anterior capsule opacification

Identifieur interne : 007F24 ( Main/Exploration ); précédent : 007F23; suivant : 007F25

Anterior capsule opacification

Auteurs : Liliana Werner [États-Unis] ; Suresh K. Pandey [États-Unis] ; Marcela Escobar-Gomez [États-Unis] ; Nithi Visessook [États-Unis] ; Qun Peng [États-Unis] ; David J. Apple [États-Unis]

Source :

Ophthalmology [ 0161-6420 ] ; 1999.

RBID : ISTEX:F1E95DF54E00FB49DF70783663EA9930D5026B76

Descripteurs français

Pascal (Inist)
- Antérieur, Autopsie, Biomatériau, Capsule, Etude comparative, Histopathologie, Homme, Lentille intraoculaire, Méthacrylate de méthyle polymère, Oeil, Opacification, Siloxane polymère.
Wicri :
- topic : Biomatériau, Homme.

English descriptors

KwdEn :
- Anterior, Autopsy, Biomaterial, Capsule, Cataract (pathology), Comparative study, Eye, Histopathology, Human, Humans, Intraocular lens, Lens Capsule, Crystalline (pathology), Lens Implantation, Intraocular, Lenses, Intraocular, Methyl methacrylate polymer, Opacification, Polymethyl Methacrylate, Prosthesis Design, Pseudophakia (pathology), Silicone Elastomers, Siloxane polymer.
MESH :
- chemical : Polymethyl Methacrylate, Silicone Elastomers.
- pathology : Cataract, Lens Capsule, Crystalline, Pseudophakia.
- Humans, Lens Implantation, Intraocular, Lenses, Intraocular, Prosthesis Design.

Abstract

Objective To compare the degree of anterior capsule opacification (ACO) in human eyes obtained postmortem containing various rigid and foldable posterior chamber intraocular lens (PC-IOL) designs.Design Comparative autopsy tissue study with clinicopathologic correlations.Materials Four hundred sixty human globes containing the following PC-IOL styles were analyzed: (1) one-piece polymethylmethacrylate (PMMA) optic-PMMA haptic (n = 50), (2) one-piece silicone-plate IOL, large hole (n = 40), (3) one-piece silicone-plate IOL, small hole (n = 67), (4) three-piece PMMA optic-PMMA/Prolene haptic (n = 51), (5) three-piece acrylic optic-PMMA haptic (n = 96), (6) three-piece silicone optic-PMMA haptic (n = 24), (7) three-piece silicone optic-polyimide haptic (n = 40), and (8) three-piece silicone optic-prolene haptic (n = 92).Testing The globes were sectioned in the equatorial plane for gross examination and then processed through paraffin; sectioned, and stained with hematoxylin–eosin, periodic acid–Schiff, and Masson’s trichrome stains; and examined by light microscopy.Main outcome measures Anterior capsule opacification was scored in each eye by grading the histologic sections from 0 to III, according to the amount (thickness) of proliferative tissue and cells measured in sagittal sections on the inner surface of the anterior capsule at the capsulorhexis margin.Results The difference among the eight groups was significant (P < 0.0001). Mean ACO scores were highest with the large and small hole one-piece silicone-plate lenses (1.77 ± 0.86 and 1.28 ± 0.77, respectively). The lowest mean score was observed in the group of three-piece acrylic optic-PMMA haptics lenses (0.51 ± 0.52).Conclusions Our results confirm previous clinical observations that the rate of ACO is relatively high with plate-haptic silicone IOLs. The lowest rate was noted with the three-piece acrylic optic-PMMA haptic IOL. The IOL design and IOL material are significant factors in the development of ACO.

Url:

https://api.istex.fr/document/F1E95DF54E00FB49DF70783663EA9930D5026B76/fulltext/pdf

DOI: 10.1016/S0161-6420(99)00088-3

Affiliations:

Le document en format XML

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<term>Autopsy</term>
<term>Biomaterial</term>
<term>Capsule</term>
<term>Cataract (pathology)</term>
<term>Comparative study</term>
<term>Eye</term>
<term>Histopathology</term>
<term>Human</term>
<term>Humans</term>
<term>Intraocular lens</term>
<term>Lens Capsule, Crystalline (pathology)</term>
<term>Lens Implantation, Intraocular</term>
<term>Lenses, Intraocular</term>
<term>Methyl methacrylate polymer</term>
<term>Opacification</term>
<term>Polymethyl Methacrylate</term>
<term>Prosthesis Design</term>
<term>Pseudophakia (pathology)</term>
<term>Silicone Elastomers</term>
<term>Siloxane polymer</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Polymethyl Methacrylate</term>
<term>Silicone Elastomers</term>
</keywords>
<keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Cataract</term>
<term>Lens Capsule, Crystalline</term>
<term>Pseudophakia</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Humans</term>
<term>Lens Implantation, Intraocular</term>
<term>Lenses, Intraocular</term>
<term>Prosthesis Design</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Antérieur</term>
<term>Autopsie</term>
<term>Biomatériau</term>
<term>Capsule</term>
<term>Etude comparative</term>
<term>Histopathologie</term>
<term>Homme</term>
<term>Lentille intraoculaire</term>
<term>Méthacrylate de méthyle polymère</term>
<term>Oeil</term>
<term>Opacification</term>
<term>Siloxane polymère</term>
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<front><div type="abstract" xml:lang="en">Objective To compare the degree of anterior capsule opacification (ACO) in human eyes obtained postmortem containing various rigid and foldable posterior chamber intraocular lens (PC-IOL) designs.Design Comparative autopsy tissue study with clinicopathologic correlations.Materials Four hundred sixty human globes containing the following PC-IOL styles were analyzed: (1) one-piece polymethylmethacrylate (PMMA) optic-PMMA haptic (n = 50), (2) one-piece silicone-plate IOL, large hole (n = 40), (3) one-piece silicone-plate IOL, small hole (n = 67), (4) three-piece PMMA optic-PMMA/Prolene haptic (n = 51), (5) three-piece acrylic optic-PMMA haptic (n = 96), (6) three-piece silicone optic-PMMA haptic (n = 24), (7) three-piece silicone optic-polyimide haptic (n = 40), and (8) three-piece silicone optic-prolene haptic (n = 92).Testing The globes were sectioned in the equatorial plane for gross examination and then processed through paraffin; sectioned, and stained with hematoxylin–eosin, periodic acid–Schiff, and Masson’s trichrome stains; and examined by light microscopy.Main outcome measures Anterior capsule opacification was scored in each eye by grading the histologic sections from 0 to III, according to the amount (thickness) of proliferative tissue and cells measured in sagittal sections on the inner surface of the anterior capsule at the capsulorhexis margin.Results The difference among the eight groups was significant (P < 0.0001). Mean ACO scores were highest with the large and small hole one-piece silicone-plate lenses (1.77 ± 0.86 and 1.28 ± 0.77, respectively). The lowest mean score was observed in the group of three-piece acrylic optic-PMMA haptics lenses (0.51 ± 0.52).Conclusions Our results confirm previous clinical observations that the rate of ACO is relatively high with plate-haptic silicone IOLs. The lowest rate was noted with the three-piece acrylic optic-PMMA haptic IOL. The IOL design and IOL material are significant factors in the development of ACO.</div>
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<name sortKey="Apple, David J" sort="Apple, David J" uniqKey="Apple D" first="David J" last="Apple">David J. Apple</name>
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<name sortKey="Pandey, Suresh K" sort="Pandey, Suresh K" uniqKey="Pandey S" first="Suresh K" last="Pandey">Suresh K. Pandey</name>
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<name sortKey="Visessook, Nithi" sort="Visessook, Nithi" uniqKey="Visessook N" first="Nithi" last="Visessook">Nithi Visessook</name>
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Serveur d'exploration sur les dispositifs haptiques

Anterior capsule opacification

Anterior capsule opacification

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Descripteurs français

English descriptors

Abstract

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