Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz

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Gewählte Publikation:

Georgopoulos, M; Menapace, R; Findl, O; Petternel, V; Kiss, B; Rainer, G.
After-cataract in adults with primary posterior capsulorhexis: comparison of hydrogel and silicone intraocular lenses with round edges after 2 years.
J Cataract Refract Surg. 2003; 29(5):955-960
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Autor/innen der Med Uni Graz:
Gasser-Steiner Vanessa
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Abstract:
PURPOSE: To evaluate the potential of primary posterior continuous curvilinear capsulorhexis (PCCC) to prevent after-cataract 2 years after surgery and perform a bilateral comparison of 2 intraocular lens (IOL) materials, silicone and hydrogel. SETTING: Department of Ophthalmology, University of Vienna, Medical School, Vienna, Austria. METHODS: In this randomized patient- and examiner-masked study, 37 patients (74 eyes) with age-related cataract had bilateral small-incision cataract surgery with PCCC. Randomly, 1 eye received a hydrogel IOL and the contralateral eye, a silicone IOL. Both IOLs had open-loop haptics and a round-edged optic. Standardized digital retroillumination photographs were taken 1 day and 1, 6, 12, and 24 months after surgery to evaluate development of after-cataract on the anterior and posterior capsules by subjective grading. Opacification of the PCCC area was also objectively evaluated using new software. RESULTS: Twenty-nine patients (58 eyes) completed the 2-year follow-up. Partial closure with ongrowth at the edge of the PCCC was found in 55% in the hydrogel group and 28% in the silicone group. Total closure of the PCCC was observed in 3 eyes, 2 in the hydrogel group and 1 in the silicone group. CONCLUSION: Ongrowth onto the PCCC area was dependent on IOL material. Because of less ongrowth and more fibrotic after-cataract with silicone IOLs, the efficacy of the PCCC was higher in this group.
Find related publications in this database (using NLM MeSH Indexing)
Aged -
Aged, 80 and over -
Capsulorhexis - methods
Cataract - diagnosis
Comparative Study - diagnosis
Double-Blind Method - diagnosis
Epithelial Cells - pathology
Female - pathology
Humans - pathology
Hydrogel - pathology
Laser Surgery - pathology
Lens Capsule, Crystalline - pathology
Lens Implantation, Intraocular - pathology
Lenses, Intraocular - adverse effects
Male - adverse effects
Middle Aged - adverse effects
Postoperative Complications - adverse effects
Prospective Studies - adverse effects
Prosthesis Design - adverse effects
Silicone Elastomers - adverse effects

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