نتایج جستجو برای: bitoric lasik
تعداد نتایج: 1528 فیلتر نتایج به سال:
OBJECTIVE To evaluate the safety and efficacy of bitoric laser in situ keratomileusis (LASIK) for the correction of simple myopic and mixed astigmatism. DESIGN Retrospective, single-center, and noncomparative case series. PARTICIPANTS Eighty-six eyes of 56 patients were analyzed for this study. Six-month and 1-year follow-up data were available on 86 eyes and 72 eyes, respectively. Eyes wer...
PURPOSE To evaluate the results of treatment of mixed astigmatism with laser in situ keratomileusis (LASIK) by means of a modified Chayet formula for bitoric ablation and personalized nomogram calculations. METHODS A retrospective study was conducted in 19 consecutive eyes of 13 patients who underwent LASIK treatment of mixed astigmatism with a mean sphere of +1.63-/+1.23 D and a mean cylinde...
purpose : to describe a distinctive pattern of induced higher order aberration (hoa) after lasik for mixed astigmatism case reports : wavefront-guided lasik with iris recognition and eye tracking (excimer laser: technolas 217z apt protocol microkeratome: moria cb) was performed in six eyes with moderate to high mixed astigmatism for a nominal optical zone of 6.3 mm. the patients were re-examine...
purpose: to evaluate the visual outcomes of cross-cylinder ablation in laser in situ keratomileusis (lasik) for eyes with high astigmatic refractive errors and low spherical component. methods: we prospectively evaluated cross cylinder lasik in patients with high astigmatic refractive error but low spherical component over a period of 2 years. all procedures were performed with the nidek ec-500...
هدف: این مطالعه به منظور بررسی یافته های تست پتانسیل برانگیخته از بینایی در افراد کاندید عمل lasik در پلی کلینیک قدس در سالهای 88 و 89 انجام شده است. روش مطالعه: این مطالعه به صورت یک بررسی توصیفی - تحلیلی مقطعی انجام شده است. حجم نمونه مورد بررسی در این مطالعه شامل 25 نفر بود که تحت درمان به شیوه lasik قرار گرفته بودند. نحوه انتخاب افراد نیز به صورت تصادفی ساده بود. یافته ها: میانگین میزان l...
PURPOSE To evaluate the visual, refractive, and aberrometric outcomes of a bitoric intraocular lens (IOL) and its stability and alignment within the capsular bag. METHODS A retrospective study including 41 eyes of 24 patients with preexisting corneal astigmatism of 0.75 diopters or greater undergoing cataract surgery with implantation of the bitoric IOL AT TORBI 709M (Carl Zeiss Meditec, Jena...
Purpose. To compare the change of anterior corneal higher-order aberrations (HOAs) after laser in situ keratomileusis (LASIK), wavefront-guided LASIK with iris registration (WF-LASIK), femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK), and small incision lenticule extraction (SMILE). Methods. In a prospective study, 82 eyes underwent LASIK, 119 eyes underwent WF-LASIK, 88 eyes ...
AIMS Analysis of highly myopic eyes (mean myopia -11 D) with post-LASIK vitreoretinal complications (breaks, retinal detachment) that also had pre-LASIK vitreoretinal pathology (lattice, breaks). METHODS Retrospective case series. RESULTS 67 eyes in 56 patients with pre-LASIK retinal examination developed post-LASIK vitreoretinal complications. 17 of the 67 eyes (25.4%) had pre-LASIK vitreo...
AIM To compare visual performance of wavefront-guided laser in situ keratomileusis (LASIK) with iris-registration (Wg-LASIK group) and conventional LASIK (LASIK group) one year after surgery and analyze the correlation between wavefront aberrations and visual performance. METHODS Eight hundred and fifty-two myopic eyes of 430 patients were enrolled in this prospective study and divided into t...
Aim To compare postoperative clinical outcomes of high myopia after small-incision lenticule extraction (SMILE) and femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK). Methods From March 2018 to July 2020, PubMed, MEDLINE, Embase, the Cochrane Library, several Chinese databases were comprehensively searched. The studies meeting criteria selected included; data extracted by 2 ind...
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