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Three year prospective, randomized evaluation of intraocular lens implantation through 3.2 and 5.5 mm incisions.
Oshika, T; Nagahara, K; Yaguchi, S; Emi, K; Takenaka, H; Tsuboi, S; Yoshitomi, F; Nagamoto, T; Kurosaka, D.
Afiliación
  • Oshika T; Department of Ophthalmology, University of Tokyo School of Medicine, Japan.
J Cataract Refract Surg ; 24(4): 509-14, 1998 Apr.
Article en En | MEDLINE | ID: mdl-9584247
PURPOSE: To compare the long-term clinical results of two small incision cataract surgery procedures. SETTING: Seven centers in Japan. METHODS: Two hundred eyes were randomly assigned to receive a silicone intraocular lens (IOL) through a 3.2 mm incision or a poly(methyl methacrylate) (PMMA) IOL through a 5.5 mm incision. Except for incision size and implantation technique, the surgical methods were identical. Uncorrected and corrected visual acuity, keratometry, flare-cell intensity, specular microscopy, and neodymium:YAG (Nd:YAG) laser posterior capsulotomy rate were analyzed up to 3 years after surgery. RESULTS: Eyes in the 3.2 mm incision group had significantly better uncorrected and corrected visual acuity in the early postoperative period and lower aqueous flare intensity immediately after surgery, but these differences disappeared after the first postoperative month. However, surgically induced astigmatism was significantly less in the 3.2 mm incision group than in the 5.5 incision group throughout the study. The Nd:YAG laser capsulotomy rate was higher in the silicone IOL group (23.5% at 3 years postoperatively) than in the PMMA IOL group (18.4%) but the difference was not statistically significant. CONCLUSION: Smaller incision cataract surgery led to early recovery of visual function in the short term and less induced astigmatism in the long term.
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Técnicas de Sutura / Facoemulsificación / Implantación de Lentes Intraoculares Tipo de estudio: Clinical_trials / Etiology_studies / Observational_studies / Prognostic_studies Límite: Aged / Female / Humans / Male Idioma: En Revista: J Cataract Refract Surg Asunto de la revista: OFTALMOLOGIA Año: 1998 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Técnicas de Sutura / Facoemulsificación / Implantación de Lentes Intraoculares Tipo de estudio: Clinical_trials / Etiology_studies / Observational_studies / Prognostic_studies Límite: Aged / Female / Humans / Male Idioma: En Revista: J Cataract Refract Surg Asunto de la revista: OFTALMOLOGIA Año: 1998 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos