نتایج جستجو برای: mixed astigmatism lasik

تعداد نتایج: 224972  

2013
Calin Petru Tataru

The leading topic of this particular paper is dedicated to available surgical options for refractive eye disorders treatment including surgery of cornea and intraocular surgery. Corneal Surgery includes laser refractive surgery - LASIK (Laser-Assisted In Situ Keratomileusis), FemtoLASIK (Femtosecond laser-assisted LASIK), PRK (Photorefractive keratectomy). This article describes relevant princi...

Journal: :Investigative ophthalmology & visual science 2008
Wei-Li Chen Huai-Wen Chang Fung-Rong Hu

PURPOSE To study the healing of corneal wounds after epikeratome laser-assisted in situ keratomileusis (epi-LASIK). METHODS Twenty-seven patients who had undergone epi-LASIK for the treatment of myopia or myopic astigmatism in 46 eyes were enrolled. A single intraoperative application of 0.02% mitomycin C (MMC) for 20 to 30 seconds was used in 24 eyes with a refraction of no less than -6.0 D ...

2011
Majid Moshirfar Brent S Betts Daniel S Churgin Maylon Hsu Marcus Neuffer Shameema Sikder Dane Church Mark D Mifflin

PURPOSE To compare outcomes in visual acuity, refractive error, higher-order aberrations (HOAs), contrast sensitivity, and dry eye in patients undergoing laser in situ keratomileusis (LASIK) using wavefront (WF) guided VISX CustomVue and WF optimized WaveLight Allegretto platforms. METHODS In this randomized, prospective, single-masked, fellow eye study, LASIK was performed on 44 eyes (22 pat...

2005
JERRY A. SHIELDS HAKAN DEMIRCI BRIAN P. MARR

Dear Editor: LASIK is a popular and relatively safe surgical procedure for the correction of myopia, hyperopia, and astigmatism. The proper adhesion between flap and stromal bed is mandatory to restore the corneal integrity and set the background for an adequate refractive outcome properly. Many refractive surgeons started using topical vasoconstrictors to reduce postoperative hyperemia and sub...

2015
Priyanka Chhadva Florence Cabot Anat Galor Sonia H Yoo

UNLABELLED Purpose. To describe a case of 3 refractive procedures performed in one eye over 2 decades. Methods. CASE REPORT Results. A 41-year-old patient presented for refractive surgery evaluation. His ocular history includes bilateral radial keratotomy performed 21 years ago for moderate myopia: spherical equivalence of -4.25 D bilaterally. Postoperative uncorrected visual acuity (UCVA) wa...

شریفی, نورالدین, صمدی آیدنلو, ناصر,

  Received: 10 March, 2009Accepted: 29 July, 2009   Abstract   Background & Aims: Vision is an important indicator of health and life quality. The latest estimates of the World Health Organization indicate that there are 161 million visually impaired people worldwide. The most common reason for impaired vision may be refractive error. This research was performed to determine the frequency of re...

Journal: :Optometry and vision science : official publication of the American Academy of Optometry 2010
Velma Dobson Erin M Harvey Candice E Clifford-Donaldson Tina K Green Joseph M Miller

PURPOSE To determine whether reduced astigmatism-corrected acuity for vertical (V) and/or horizontal (H) gratings and/or meridional amblyopia (MA) are present before 3 years of age in children who have with-the-rule astigmatism. METHODS Subjects were 448 children, 6 months through 2 years of age with no known ocular abnormalities other than with-the-rule astigmatism, who were recruited throug...

2014
Toam Katz Andreas Frings Stephan J Linke Gisbert Richard Vasyl Druchkiv Johannes Steinberg

BACKGROUND This study examined the refractive and visual outcome of wavefront-optimized laser in situ keratomileusis (LASIK) in eyes with low myopia and compound myopic astigmatism ≤ 0.75 diopter (D). METHODS 153 eyes from 153 consecutive myopic patients (74 male, 79 female; mean age at surgery 40.4 ± 10.4 years) who had a preoperative refractive cylinder ≤ 0.75 D and a manifest sphere betwee...

Journal: :Health and Quality of Life Outcomes 2009
Deng-Juin Lin Ing-Cheau Sheu Jar-Yuan Pai Alex Bair Che-Yu Hung Yuan-Hung Yeh Ming-Jen Chou

BACKGROUND LASIK is the use of excimer lasers to treat therapeutic and refractive visual disorders, ranging from superficial scars to nearsightedness (myopia), and from astigmatism to farsightedness (hyperopia). The purposes of this study are to checking the applicability and psychometric properties of the SERVQUAL on Lasik surgery population. Second, use SEM methods to investigate the loyalty,...

Journal: :Journal of cataract and refractive surgery 2015
Kei Iijima Kazutaka Kamiya Kimiya Shimizu Akihito Igarashi Mari Komatsu

PURPOSE To retrospectively assess the demographics of patients having cataract surgery in eyes with previous laser in situ keratomileusis (LASIK). SETTING Department of Ophthalmology, Kitasato University, Kanagawa, and Sanno Hospital, Tokyo, Japan. DESIGN Retrospective case series. METHODS This study evaluated eyes of consecutive patients scheduled for cataract surgery after previous LASI...

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