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  • Title: AlphaCor keratoprosthesis: postoperative development of six patients.
    Author: Holak SA, Holak HM, Bleckmann H.
    Journal: Graefes Arch Clin Exp Ophthalmol; 2009 Apr; 247(4):535-9. PubMed ID: 18941767.
    Abstract:
    PURPOSE: AlphaCor (Argus Biomedical Pty. Ltd., Perth, Australia) is an artificial, soft, one-piece keratoprosthesis (KPro) indicated for severe corneal conditions not treatable by a donor graft. To evaluate the efficacy and visual restoring of six patients with complete corneal opacification and deep neovascularizations treated with AlphaCor. METHODS: A retrospective review of six patients with a history of corneal opacification treated with keratoprosthesis surgery. AlphaCor synthetic cornea was implanted into the corneal stroma. During the follow-up time, slit-lamp and ultrasound examinations, best corrected visual acuity (BCVA), and intraocular pressure measurements were performed. RESULTS: Six eyes with corneal scarring and vascularizations in three to four quadrants of six patients to years of age underwent a keratoprosthesis procedure. The follow-up time was 13-36 months; mean 23 months. The operation procedure was not limited by severe complications. The preoperative BCVA was hand movement to light perception. The postoperative BCVA ranged between 20/200 and 80/100. Intraocular pressure was controlled in all cases. Three patients developed a melting of the anterior corneal lamella. The keratoprosthesis had to be explanted (15-34 months after implantation) and was replaced by a donor cornea. CONCLUSIONS: Further evaluation is needed to evaluate the role of AlphaCor as a keratoprosthesis.
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