Langzeitergebnisse nach Implantation verschiedener Intraokularlinsen über einen Hornhauttunnel
Identifieur interne : 009529 ( Main/Merge ); précédent : 009528; suivant : 009530Langzeitergebnisse nach Implantation verschiedener Intraokularlinsen über einen Hornhauttunnel
Auteurs : B. Dick [Allemagne] ; T. Kohnen [Allemagne] ; F. Jacobi [Allemagne] ; K. W. Jacobi [Allemagne]Source :
- Klinische Monatsblätter für Augenheilkunde [ 0023-2165 ] ; 1997.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
Abstract
A prospective, randomized study was carried out to evaluate functional and biomicroscopic long-term results of different posterior chamber intraocular lenses (IOLs) over a period of two years after clear corneal cataract surgery. Patients and Methods 2 years after phacoemulsification through a temporal two-step clear corneal incision a total of 67 patients were examined. In 26 eyes (group A) a foldable plate-haptic silicone IOL (Chiron Adatomed, C10), in 25 eyes (group B) a foldable disc silicone IOL (Chiron Adatomed. 90D) had been implanted through a 3.5 (group A) or 4 mm (group B) corneal incision using a cartridge injector. In 16 eyes (group C) a one-piece PMMA-IOL (Pharmacia & Upjohn, 809C) had been implanted through a 5 mm incision. All eyes underwent functional and biomicroscopic examinations, as well as computerized videokeratographic analysis to obtain corneal topography data. Results In group A uncorrected visual acuity valued 0.64 (±0.29 SD), in group B 0.59 (±0.24) and in group C 0.56 (± 0.27). Median of uncorrected visual acuity was 0.6 for all groups. Corrected visual acuity was 0.81 (± 0.29) in group A, 0.8 (±0.25) in group B and 0.83 (± 0.3) in group C. Intraocular pressure (mm Hg) was 13 (± 2.5) in group A, 14.7 (± 2) in group B and 15.1 (± 2.5) in group C. Fibrosis of the anterior capsular rim occurred in 42% of the cases. One eye demonstrated folds in the posterior capsule (group B). Posterior capsular opacification valued 11.9% for all groups. In one eye a Nd:YAG-capsulotomy had already been performed. In group A a decentration of more than 1 mm was objected in one case. in group B in two cases and in group C in one case, but no patient complained about any functional impairment. Two years postoperatively, no signs of a re-flattening in the incision area could be detected using difference mapping tools in the videokeratographic analysis. Conclusion Two years after implantation of foldable silicone IOLs and PMMA-IOLs via a temporal clear corneal tunnel incision after phacoemulsification only slight functional and morphologic differences between the three IOL-types could be observed.
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Pascal:97-0444701Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cataract</term>
<term>Comparative study</term>
<term>Evolution</term>
<term>Human</term>
<term>Implantation</term>
<term>Intraocular lens</term>
<term>Long term</term>
<term>Methyl methacrylate polymer</term>
<term>Posterior chamber</term>
<term>Postoperative</term>
<term>Siloxane polymer</term>
<term>Soft lens</term>
<term>Surgical incision</term>
<term>Treatment</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Cataracte</term>
<term>Lentille intraoculaire</term>
<term>Implantation</term>
<term>Chambre postérieure</term>
<term>Incision chirurgicale</term>
<term>Evolution</term>
<term>Traitement</term>
<term>Etude comparative</term>
<term>Homme</term>
<term>Postopératoire</term>
<term>Long terme</term>
<term>Lentille souple</term>
<term>Siloxane polymère</term>
<term>Méthacrylate de méthyle polymère</term>
<term>Tunnellisation</term>
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<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term>
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<front><div type="abstract" xml:lang="en">A prospective, randomized study was carried out to evaluate functional and biomicroscopic long-term results of different posterior chamber intraocular lenses (IOLs) over a period of two years after clear corneal cataract surgery. Patients and Methods 2 years after phacoemulsification through a temporal two-step clear corneal incision a total of 67 patients were examined. In 26 eyes (group A) a foldable plate-haptic silicone IOL (Chiron Adatomed, C10), in 25 eyes (group B) a foldable disc silicone IOL (Chiron Adatomed. 90D) had been implanted through a 3.5 (group A) or 4 mm (group B) corneal incision using a cartridge injector. In 16 eyes (group C) a one-piece PMMA-IOL (Pharmacia & Upjohn, 809C) had been implanted through a 5 mm incision. All eyes underwent functional and biomicroscopic examinations, as well as computerized videokeratographic analysis to obtain corneal topography data. Results In group A uncorrected visual acuity valued 0.64 (±0.29 SD), in group B 0.59 (±0.24) and in group C 0.56 (± 0.27). Median of uncorrected visual acuity was 0.6 for all groups. Corrected visual acuity was 0.81 (± 0.29) in group A, 0.8 (±0.25) in group B and 0.83 (± 0.3) in group C. Intraocular pressure (mm Hg) was 13 (± 2.5) in group A, 14.7 (± 2) in group B and 15.1 (± 2.5) in group C. Fibrosis of the anterior capsular rim occurred in 42% of the cases. One eye demonstrated folds in the posterior capsule (group B). Posterior capsular opacification valued 11.9% for all groups. In one eye a Nd:YAG-capsulotomy had already been performed. In group A a decentration of more than 1 mm was objected in one case. in group B in two cases and in group C in one case, but no patient complained about any functional impairment. Two years postoperatively, no signs of a re-flattening in the incision area could be detected using difference mapping tools in the videokeratographic analysis. Conclusion Two years after implantation of foldable silicone IOLs and PMMA-IOLs via a temporal clear corneal tunnel incision after phacoemulsification only slight functional and morphologic differences between the three IOL-types could be observed.</div>
</front>
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