Mitsutoshi Ito

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PURPOSE Positionally induced cyclotorsion could be an important factor in the correction of astigmatism during refractive surgery. We analyzed the change in cyclotorsional rotation during excimer laser ablation in LASIK surgery using the NIDEK Torsion Error Detector (TED). METHODS One hundred ten patients (192 eyes) who underwent LASIK for myopic(More)
PURPOSE To compare a new ablation algorithm termed the optimized aspheric transition zone (OATz) with the conventional laser ablation profile for correction of myopic astigmatism. METHODS LASIK using OATz profile #6 or using conventional ablation profile was performed on 98 eyes of 53 patients (OATz #6 group) and 111 eyes of 66 patients (control #6(More)
PURPOSE To evaluate the customized aspheric treatment zone (CATz) topography-guided ablation for the correction of irregular astigmatism induced by initial corneal refractive surgery or corneal injury. METHODS CATz ablation was performed on 32 eyes of 28 patients. Each procedure was performed by photorefractive keratectomy (PRK) or LASIK using a NIDEK(More)
PURPOSE To evaluate the incidence, type, and risk factors of intraoperative complications leading to abandonment of laser in situ keratomileusis (LASIK), and to compare the safety and efficacy of retreated LASIK with uncomplicated primary LASIK. SETTING Refractive surgery centers in Tokyo, Yokohama, Nagoya, Osaka, and Fukuoka, Japan. METHODS A total of(More)
PURPOSE To evaluate the efficacy and safety of conductive keratoplasty (CK) for the treatment of presbyopia and analyze the differences in the effects between post- and non-laser in situ keratomileusis (LASIK) eyes. Clinical preoperative factors that could affect the predictability of CK were also analyzed. METHODS The visual and refractive outcomes of CK(More)
PURPOSE Intrastromal corneal ring segments (INTACS Micro-Thin Prescription Inserts by Addition Technologies, Fremont, Calif) were inserted as a combined surgery with laser in situ keratomileusis (LASIK) in six eyes with thin corneas to correct moderately high myopia. METHODS INTACS were implanted before LASIK (INTACS-LASIK) in three eyes and after LASIK(More)
PURPOSE To establish the risk of ocular rupture after proposed surgical reversal of presbyopia by anterior ciliary sclerotomy (ACS) or by the Er:YAG laser (HOYA Continuum, Tokyo, Japan). METHODS A total of 45 pig eyes (15 control eyes) were examined. Fifteen eyes were placed into one of two study groups and another 15 eyes were used as controls. One group(More)
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