نتایج جستجو برای: laser in situ

تعداد نتایج: 17037658  

Journal: :Ophthalmology 2005
Vikentia J Katsanevaki Nikolaos S Tsiklis Nikolaos I Astyrakakis Ioannis G Pallikaris

PURPOSE To report the intraoperative management of incomplete microkeratome LASIK flaps. DESIGN Small, retrospective, noncomparative, interventional case series. PARTICIPANTS Five outpatients. METHODS In 5 eyes of 5 patients, the premature stop of the microkeratome resulting from mechanical obstacles resulted in an incomplete flap that would not allow for the completion of the LASIK proce...

2012
Yong-Soo Byun So-Hyang Chung Young-Geun Park Choun-Ki Joo

PURPOSE To compare the changes in posterior corneal curvature using scanning slit topography (Orbscan II) and Scheimpflug imaging (Pentacam) before and after Epi-laser in situ keratomileusis (LASIK) for myopia. METHODS In a prospective observational case-series study, 20 myopic patients having undergone Epi-LASIK were examined serially with two different devices, Orbscan II and Pentacam, preo...

Journal: :Health economics 2011
Juan M Contreras Beomsoo Kim Ignez M Tristao

In this article, we use a longitudinal census of laser in situ keratomileusis (LASIK) eye surgeries collected directly from patient charts to examine the learning-by-doing hypothesis in medicine. LASIK surgery has precise measures of presurgical condition and postsurgical outcomes. Unlike other types of surgery, the impact of unobservable underlying patient conditions on outcomes is minimal. In...

2013
ADNAN M.H. AL-MARZOUKI

Purpose: To evaluate the safety and reproducibility of using +3 Ring Moria M2 microkeratome (Mechanical Technology) with patients suffering from high K reading. Setting: Eye Care Private Centre-surgery Centre, Jeddah, Saudi Arabia. Methods: Data had been reviewed starting from 2005 up to 2010; with the aim to review and evaluate all the data and complications after using +3 Ring Moria M2 single...

2008
Hassan Razmjoo Mohammad-Reza Akhlaghi Ali-Reza Dehghani Ali-Reza Peyman Mohammad Sari-Mohammadli Hooman Ghatreh-Samani

PURPOSE To evaluate the effect of laser in situ keratomileusis (LASIK) on stereoacuity (SA). METHODS This prospective study includes 200 patients scheduled for LASIK. SA was evaluated preoperatively and one week, one month and three months postoperatively using the Random Dot test. Patients with preoperative SA worse than 480 sec/arc were excluded from the study. RESULTS The study included ...

2016
Fathy Fawzy Sherine S Wahba Nader Fawzy

We present an observational sign that ensures perfect alignment during femtosecond laser-assisted in situ keratomileusis (FS LASIK). Alignment is assured when a microsponge is used to dry the flap and the area of dryness exceeds the area of direct touch of the microsponge. The area might even reach the whole circumference of the flap at the first touch. This sign of alignment can be explained b...

Journal: :Journal of refractive surgery 2009
Jan A Venter Stephen J Hannan

PURPOSE To describe the complex case management system developed by Optical Express, a large corporate provider of laser vision correction, and to detail the benefits this system offers for managing the surgical complications of laser vision correction. METHODS The classification scheme Optical Express uses to categorize surgical complications is described, and the various pathways patients c...

2017
George Fatseas Fiona Stapleton Patrick Versace

OBJECTIVES To determine the effect of hyperopic laser in situ keratomileusis (H-LASIK) on corneal integrity, by investigating relationships between proportionate corneal tissue ablated and refractive outcomes at 3 months. METHODS 18 eyes of 18 subjects treated with H-LASIK by Technolas 217c Excimer Laser were included in the study. Orbscan II Topography System was used to determine corneal vo...

2017

[This corrects the article on p. 143 in vol. 10, PMID: 28458585.].

Journal: :Journal of refractive surgery 2012
J Bradley Randleman G Robert Lesser

mance of the combined system. However, the presence of ocular dominance does not contraindicate the combination of MIOLs with different designs or additions as proved by previous studies.6 It is noteworthy that the majority (82.5%) of patients in our study did not prefer the vision of one eye over the other when specifi cally asked about this item. Future studies should further address the issu...

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