نتایج جستجو برای: post keratoplasty astigmatism

تعداد نتایج: 410643  

Journal: :Advances in Ophthalmology & Visual System 2017

Journal: :Journal of optometry 2017
Clàudia Garrido Genís Cardona Josep L Güell Jaume Pujol

PURPOSE A single-center, cross-sectional study was designed to assess and compare objective and subjective quality of vision of patients intervened with penetrating keratoplasty (PK), deep anterior lamellar keratoplasty (DALK) and Descemet membrane endothelial keratoplasty (DMEK). METHODS Forty-six patients previously intervened with PK (22 eyes), DALK (7 eyes) and DMEK (17 eyes) were recruit...

Journal: :Archives of ophthalmology 2009
Ting Huang Yujuan Wang Jianping Ji Na Gao Jiaqi Chen

OBJECTIVE To evaluate the efficacy and postoperative complications of deep lamellar endothelial keratoplasty (DLEK) for treating iridocorneal endothelial (ICE) syndrome in phakic eyes. METHODS Retrospective noncomparative interventional case series. Seven consecutive patients (7 eyes) having ICE syndrome with clear or mildly opaque lens were treated using DLEK and were followed up for 9 to 20...

2013
Jayesh Vazirani Sayan Basu

Keratoconus is characterized by progressive corneal protrusion and thinning, leading to irregular astigmatism and impairment in visual function. The etiology and pathogenesis of the condition are not fully understood. However, significant strides have been made in early clinical detection of the disease, as well as towards providing optimal optical and surgical correction for improving the qual...

Journal: :Journal of cataract and refractive surgery 2010
Massimo Camellin Samuel Arba Mosquera

PURPOSE To evaluate the results of combined aspheric wavefront-guided transepithelial excimer laser photorefractive keratectomy (PRK) and phototherapeutic keratectomy (PTK) to correct aberrations and refractive errors after radial keratotomy (RK) or keratoplasty. SETTING Sekal Rovigo Microsurgery Centre, Rovigo, Italy. METHODS This retrospective noncomparative consecutive case series compri...

2013
Tadayuki Nishide Misako Nakanishi Natsuki Hayakawa Ikuko Kimura Nobuhisa Mizuki

BACKGROUND Cases of cataract surgery without penetrating keratoplasty in patients with Peters' anomaly are very rare. We report a case of Peters' anomaly type 2 with tilted lens due to synechia between the lens and iris that was treated with cataract surgery without penetrating keratoplasty. CASE PRESENTATION A 16-year-old girl had Peters' anomaly in both eyes. Corneal opacity was severe in t...

2010
Chan-Hui Yi Dong-Hoon Lee Eui-Sang Chung Tae-Young Chung

PURPOSE To compare clinical outcomes after deep lamellar endothelial keratoplasty (DLEK) with Descemet stripping endothelial keratoplasty (DSEK) performed as initial cases by a single surgeon. METHODS Sixteen patients with corneal endothelial were enrolled. Eight patients (8 eyes) underwent DLEK and 8 patients (8 eyes) DSEK. We measured uncorrected visual acuity, best corrected visual acuity ...

Journal: :Journal of cataract and refractive surgery 2009
Leopoldo Spadea Daniele Giammaria Arianna Fiasca Valerio Verrecchia

PURPOSE To evaluate the anatomical and functional results of excimer laser-assisted lamellar keratoplasty (ELLK) in keratoconus patients. SETTING Eye Clinic, University of L'Aquila, L'Aquila, Italy. METHODS This prospective case series comprised patients with keratoconus who had ELLK and were examined preoperatively and 3, 6, 12, and 24 months postoperatively. Outcome measures were uncorrec...

2012
Leopoldo Spadea Marino Paroli

BACKGROUND The purpose of this paper is to report the results of using combined treatment of customized excimer laser-assisted photorefractive keratectomy (PRK) and prophylactic corneal collagen crosslinking (CXL) for residual refractive error in a group of patients who had previously undergone lamellar keratoplasty for keratoconus. METHODS The study included 14 eyes from 14 patients who had ...

Journal: :The British journal of ophthalmology 1949
I C MICHAELSON H F STEEDMAN

same procedure is to be adopted 'for wounds of the cornea, the edges of which should be sutured in accurate apposition in order to avoid subsequent irregular astigmatism. When an adherent leucoma is already present', one should proceed as recommended by Saqhs of Vienna, i.e., the cornea 'in front of the adherent iris is incised with a corneal trephine applied obliquely, so as to cut an incomple...

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