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PURPOSE To compare the outcomes of mechanical and femtosecond laser-assisted tunnel creation for intrastromal corneal ring segment (ICRS) implantation in eyes with keratoconus. SETTING Kartal Training and Research Hospital, Istanbul, Turkey. METHODS In this prospective study, consecutive eyes with keratoconus were randomly assigned to have ICRS tunnel(More)
PURPOSE To compare the outcomes of implantation of 2 models of intrastromal corneal ring segments (ICRS) to manage keratoconus. SETTING Kartal Training and Research Hospital, Istanbul, Turkey. METHODS This study evaluated eyes with keratoconus that had implantation of Keraring ICRS (Group A) or Intacs ICRS (Group B). The corneal tunnels were created(More)
BACKGROUND To evaluate the 3-year clinical outcomes after toric implantable collamer lens (ICL) implantation for the management of moderate to high myopic astigmatism. METHODS Thirty-four eyes of 20 patients who underwent toric ICL implantation were reviewed. All eyes completed 3-year follow-up. Uncorrected (UDVA) and corrected (CDVA) distance LogMAR(More)
PURPOSE To compare astigmatic keratotomy (AK) outcomes in high astigmatism after deep anterior lamellar keratoplasty (DALK) and after penetrating keratoplasty (PK) in keratoconus patients. DESIGN Prospective, comparative, interventional case series. METHODS This study comprised 20 eyes that underwent DALK and 24 eyes that underwent PK. After suture(More)
PURPOSE To determine the visual and refractive outcomes of 210-degree arc length intrastromal corneal ring segment (ICRS) implantation in eyes with pellucid marginal corneal degeneration (PMCD). DESIGN Retrospective, consecutive case series. METHODS Sixteen consecutive eyes of 10 patients who underwent a single 210-degree ICRS implantation by(More)
PURPOSE To compare the status of corneal endothelium and central corneal thickness within the first four postoperative years after deep anterior lamellar keratoplasty (DALK) and penetrating keratoplasty (PK) in patients with keratoconus. MATERIALS AND METHODS Thirty-nine eyes (Group A) which had PK and 44 eyes (Group B) which had DALK for the treatment of(More)
PURPOSE To evaluate the effectiveness and safety of adjunctive mitomycin C (MMC) in Ahmed glaucoma valve (AGV) implantation for refractory glaucoma. METHODS Twenty-two eyes of 22 patients who underwent AGV implantation with adjunctive MMC (0.5 mg/ml) for 3 minutes (Group A) were compared to a control group of 26 eyes of 26 patients (Group B) who received(More)
PURPOSE To compare changes that occur at the posterior corneal surface after the implantation of intracorneal ring segments (ICRSs) using either mechanical or femtosecond laser-assisted procedures and to correlate these changes with the visual outcome achieved. METHODS Retrospective, nonrandomized, and interventional case series including 223 consecutive(More)
PURPOSE To evaluate and compare visual and optical performance outcomes by means of analysis of the contrast sensitivity function (CSF) and ocular higher order aberrations (HOA) in patients with keratoconus who had deep anterior lamellar keratoplasty (DALK) or penetrating keratoplasty (PK). METHODS In this prospective, randomised case series, 174 eyes of(More)
PURPOSE To evaluate the long-term endothelial cell density (ECD) changes and visual and refractive outcomes after deep anterior lamellar keratoplasty (DALK) using the big-bubble technique in eyes with keratoconus. DESIGN Retrospective interventional case series study. METHODS setting: Single hospital. patients: Two hundred forty-one eyes of 214 patients(More)