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keratoplasty astigmatism

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https://www.readbyqxmd.com/read/28079690/noncontact-evaluation-of-corneal-grafts-swept-source-fourier-domain-oct-versus-high-resolution-scheimpflug-imaging
#1
Eszter Szalai, Gábor Németh, Ziad Hassan, László Módis
PURPOSE: To study the reliability and repeatability of anterior segment measurements in patients who underwent penetrating keratoplasty with swept light source Fourier domain anterior segment optical coherence tomography (SS-OCT) in comparison with a high-resolution Scheimpflug camera. METHODS: Keratometry (K) and elevation data of the anterior and posterior corneal surfaces, central corneal thickness, and anterior chamber depth were determined in 56 postkeratoplasty eyes (mean age: 59...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28017678/deep-anterior-lamellar-keratoplasty-after-descemet-stripping-automated-endothelial-keratoplasty
#2
Shay Gutfreund, Pia Leon, Shmuel Graffi, Massimo Busin
PURPOSE: To report the indications and long-term outcomes of deep anterior lamellar keratoplasty (DALK) performed after Descemet stripping automated endothelial keratoplasty (DSAEK) in cases of visually significant stromal opacities. DESIGN: Retrospective, interventional, consecutive case series. METHOD: Setting: Private hospital. Study populationThirteen eyes that underwent DALK after DSAEK at our Institution. Indications for DALK after DSAEK included both stromal opacities persisting after DSAEK and stromal opacities occurring secondarily in post-DSAEK corneas...
December 22, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28002107/astigmatism-correction-with-toric-intraocular-lenses-in-descemet-membrane-endothelial-keratoplasty-triple-procedures
#3
Hideaki Yokogawa, P James Sanchez, Zachary M Mayko, Michael D Straiko, Mark A Terry
PURPOSE: To report the clinical efficacy of astigmatism correction with toric intraocular lenses (IOLs) in patients undergoing the Descemet membrane endothelial keratoplasty (DMEK) triple procedure and to evaluate the accuracy of the correction. METHODS: Fifteen eyes of 10 patients who received cataract extraction, toric IOL placement, and DMEK surgery for Fuchs corneal dystrophy and cataracts were evaluated. The cylinder power of toric IOLs was determined by an online toric calculator with keratoscopy measurements obtained using Scheimpflug corneal imaging...
December 20, 2016: Cornea
https://www.readbyqxmd.com/read/27994806/descemet-stripping-automated-endothelial-keratoplasty-in-fuchs-endothelial-dystrophy-versus-pseudophakic-bullous-keratopathy
#4
Mohammad Ali Javadi, Sepehr Feizi, Roya Jafari, Firooz Mirbabaee, Vahid Ownagh
PURPOSE: To compare clinical and confocal scan outcomes after Descemet stripping automated endothelial keratoplasty (DSAEK) performed for Fuchs' endothelial dystrophy (FED) versus pseudophakic bullous keratopathy (PBK). METHODS: This retrospective comparative study included 47 consecutive eyes of 39 patients with the diagnosis of FED (n = 29, group 1) or PBK (n = 18, group 2) that underwent DSAEK. Clinical outcomes were compared between the study groups. At the final follow-up examination, confocal microscopy was used to measure and compare central corneal and graft thickness as well as endothelial cell density and morphology between the two groups...
October 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27994396/surgical-treatment-of-corneal-ectasia-with-motowa-s-trephine-and-selective-suturing-technique
#5
Saeed Al-Motowa, Mosa Al-Harby
A 40-year-old male presented with bilateral ectasia, contact lens intolerance, and astigmatism >10 D in both eyes. The patient had end-stage pellucid marginal degeneration that warranted surgical treatment. We present a unique surgical technique to stabilize the cornea, minimize astigmatism, improve vision and corneal status, and avoid penetrating keratoplasty.
October 2016: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/27930793/intracorneal-ring-segments-implantation-for-corneal-ectasia
#6
Natalia T Giacomin, Glauco R Mello, Carla S Medeiros, Alyin Kiliç, Cristine C Serpe, Hirlana G Almeida, Newton Kara-Junior, Marcony R Santhiago
PURPOSE: To provide an overview of the predictability, safety, and efficacy of intrastromal corneal ring segment (ICRS) implantation as a tool to improve visual acuity and its association with other techniques such as corneal collagen cross-linking (CXL), addressing biomechanical outcomes, models, surgical planning and technique, indications, contraindications, and complications in ectatic corneas. METHODS: Literature review. RESULTS: ICRSs have been used to regularize the corneal shape and reduce corneal astigmatism and higher order aberrations, improve visual acuity to acceptable limits, and delay, or eventually prevent, a corneal keratoplasty in keratoconic eyes...
December 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27871779/intraocular-pressure-measurement-after-dsaek-by-icare-goldmann-applanation-and-dynamic-contour-tonometry-a-comparative-study
#7
A Achiron, O Blumenfeld, H Avizemer, L Karmona, G Leybowich, V Man, E Bartov, Z Burgansky-Eliash
PURPOSE: Corneal thickness inevitably increases following Descemet's stripping automated endothelial keratoplasty (DSAEK), owing to the addition of a donor graft. The current study compares different devices in assessing post-DSAEK intraocular pressure (IOP). METHODS: We compared IOP values measured by the Goldmann tonometry (GAT), iCare rebound tonometry (iCare) and Pascal dynamic contour tonometry (PDCT) in eyes following DSAEK. Agreement between measurements was calculated with correlation analysis and Bland-Altman plots...
December 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27843086/measurement-of-visual-function-among-patients-undergoing-corneal-transplantation-using-the-vf-14-index-in-morocco
#8
S Belghmaidi, L Adarmouch, M Baali, M Sebbani, I Hajji, M Amine, A Moutaouakil
OBJECTIVE: To validate the Moroccan version of the VF-14 in candidates for keratoplasty and to assess their quality of life using this tool before and after transplantation. METHODS: This is a longitudinal prospective study that assessed 57 patients who underwent penetrating keratoplasty, recruited in the ophthalmology service in Marrakech over 5 years. The original VF-14 questionnaire was adapted into Moroccan dialect. The questionnaire was administered before and 2 years after transplantation...
December 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27822628/-toric-add-on-intraocular-lenses-for-correction-of-high-astigmatism-after-pseudophakic-keratoplasty
#9
A Hassenstein, F Niemeck, K Giannakakis, M Klemm
Perforating keratoplasty shows good morphological results with a clear cornea; however, a limiting factor is often the resulting astigmatism, which cannot be corrected with either glasses or contact lenses (CL) in up to 20% of the patients. We retrospectively investigated 15 patients after pseudophakic perforating keratoplasty, who received implantation of toric add-on intraocular lenses (IOL) to correct astigmatism. The mean preoperative astigmatism of 6.5 diopter (dpt) could be reduced to a mean postoperative value of 1...
November 7, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27805532/visual-rehabilitation-after-penetrating-keratoplasty
#10
Leyla Asena, Dilek D Altınörs
OBJECTIVES: Here, our aim was to report our treatment strategies and their results performed for visual rehabilitation after penetrating keratoplasty. MATERIALS AND METHODS: The medical records of 98 patients (54 male/44 female), with results from 104 eyes, who underwent penetrating keratoplasty between January 2013 and January 2015 at the Baskent University Faculty of Medicine, Department of Ophthalmology were reviewed. Patient age, indication for penetrating keratoplasty, interventions performed for visual rehabilitation, follow-up duration, topographic and refractive astigmatism at the end of follow-up, and final best corrected visual acuity results were recorded...
2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27802912/systematic-review-comparing-penetrating-keratoplasty-and-deep-anterior-lamellar-keratoplasty-for-management-of-keratoconus
#11
REVIEW
Christin Henein, Mayank A Nanavaty
AIM: Perception of reduced incidence of graft rejection after deep anterior lamellar keratoplasty (DALK) has attracted many surgeons towards this technique in keratoconus. This review aims to compare the visual, refractive and graft outcomes after penetrating keratoplasty (PK) and DALK for keratoconus. METHODS: Electronic searches of PubMed, MEDLINE, EMBASE, Latin American and Caribbean Health Sciences Literature database (LILACS), metaRegister of Controlled Trials (mRCT), ClinicalTrial...
February 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27717703/penetrating-keratoplasty-performed-by-residents-compared-with-an-experienced-cornea-transplant-surgeon
#12
Machiko Shimmura-Tomita, Shigeto Shimmura, Kazuo Tsubota, Jun Shimazaki
BACKGROUND: Reports on keratoplasty by residents are rare compared to those on cataract surgery. The aim of this study was to compare the results and surgery time of penetrating keratoplasty performed by residents and an experienced cornea surgeon. METHODS: The medical records and surgery videos of the first 5 penetrating keratoplasty procedures by 4 residents were reviewed and compared with those in 20 penetrating keratoplasty procedures by an experienced cornea surgeon...
October 4, 2016: Journal of Surgical Education
https://www.readbyqxmd.com/read/27658681/clinical-characterization-of-posterior-polymorphous-corneal-dystrophy-in-patients-of-indian-ethnicity
#13
Sunita Chaurasia, Rashmi Mittal, G Bichappa, Muralidhar Ramappa, Somasheila I Murthy
PURPOSE: To characterize the clinical presentation of posterior polymorphous corneal dystrophy (PPCD) in eyes of Indian ethnicity. DESIGN: Retrospective cohort study from January 1995 to December 2015. PARTICIPANTS: Patients with the diagnosis of posterior polymorphous corneal dystrophy. METHODS: Medical records of the patients were reviewed for clinical presentation. Histology of corneal specimens of those that underwent keratoplasty was assessed...
September 22, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27617870/surgical-management-of-limbal-dermoids-using-anterior-corneal-buttons-from-descemet-stripping-automated-endothelial-keratoplasty-donor-tissue-as-patch-grafts
#14
Kuan-I Wu, Hsiao-Sang Chu, Amy Shih-I Pai, Yu-Chih Hou, Szu-Yuan Lin, Wei-Li Chen, Fung-Rong Hu
PURPOSE: To assess the surgical and clinical outcomes of anterior lamellar keratoplasty using anterior corneal buttons from Descemet stripping automated endothelial keratoplasty (DSAEK) donor tissue. METHODS: Retrospective data from 8 patients with unilateral limbal dermoids, treated between February 2011 and January 2016 at National Taiwan University Hospital, were analyzed. Donor corneas for DSAEK were divided into anterior and posterior lamellae using a 350-μm microkeratome...
January 2017: Cornea
https://www.readbyqxmd.com/read/27598735/bilateral-small-incision-lenticule-extraction-smile-after-penetrating-keratoplasty
#15
Bu Ki Kim, Su Joung Mun, Dae Gyu Lee, Young Taek Chung
PURPOSE: To report a case of successful bilateral small incision lenticule extraction (SMILE) performed on a patient who had penetrating keratoplasty and astigmatic keratotomy in the right eye and penetrating keratoplasty in the left eye. METHODS: Case report. RESULTS: Astigmatic keratotomy was used to reduce astigmatism of the right eye because astigmatism was higher than the maximum correction limitation of SMILE. Bilateral SMILE was performed afterward...
August 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27560035/comparison-of-long-term-outcomes-of-visual-function-and-endothelial-cell-survival-after-descemet-stripping-automated-endothelial-keratoplasty-and-penetrating-keratoplasty-using-mixed-effects-models
#16
Sosuke Ishiyama, Yosai Mori, Ryohei Nejima, Toshihiko Tokudome, Shigeto Shimmura, Kazunori Miyata, Shiro Amano
PURPOSE: To compare the long-term outcomes of visual function and endothelial cell survival after Descemet stripping automated endothelial keratoplasty (DSAEK) and penetrating keratoplasty (PK). METHODS: The cohort included 108 eyes from 97 patients who underwent primary PK and 85 eyes from 78 patients who underwent primary DSAEK at Miyata Eye Hospital in Japan. Uncorrected visual acuity, best spectacle-corrected visual acuity (BSCVA), endothelial cell density, and four components from Fourier harmonic analysis of topography data (spherical component, regular astigmatism component, asymmetry component, and higher-order irregularity component) were retrospectively compared between PK and DSAEK at each time point for 5 years using mixed-effects models...
August 24, 2016: Cornea
https://www.readbyqxmd.com/read/27541971/first-experience-with-the-icd-16-5-mini-scleral-lens-for-optic-and-therapeutic-purposes
#17
Cyrielle Suarez, Virginie Madariaga, Benoît Lepage, Marie Malecaze, Pierre Fournié, Vincent Soler, Stéphane Galiacy, René Mély, Myriam Cassagne, François Malecaze
OBJECTIVES: To evaluate the success rate, efficacy, and safety of the ICD 16.5 mini-scleral gas permeable (GP) contact lens. METHODS: This prospective study included referred consecutive patients with irregular corneas and severe ocular surface disease (OSD) in treatment failure. All patients were fitted with the ICD 16.5 mini-scleral GP lens. Even though we had some limited experience with scleral lenses, it was our first experience with the ICD 16.5 mini-scleral GP lens...
July 12, 2016: Eye & Contact Lens
https://www.readbyqxmd.com/read/27497603/changing-practice-patterns-and-long-term-outcomes-of-endothelial-versus-penetrating-keratoplasty-a-prospective-dutch-registry-study
#18
Mor M Dickman, Jean Marie P W U Peeters, Frank J H M van den Biggelaar, Ton A W Ambergen, Martin C J M van Dongen, Pieter Jan Kruit, Rudy M M A Nuijts
PURPOSE: To compare graft survival, best-corrected visual acuity (BCVA), endothelial cell density (ECD), and refraction following penetrating keratoplasty (PK) vs endothelial keratoplasty (EK) for Fuchs endothelial dystrophy (FED) and pseudophakic bullous keratopathy (PBK). DESIGN: Nonrandomized treatment comparison with national registry data. METHODS: All consecutive patients undergoing first keratoplasty for FED and PBK between 1998 and 2014 were analyzed, with a maximum follow-up of 5 years (mean ± SD follow-up 39 ± 20 months, range 0-60 months)...
October 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27467039/precisely-controlled-side-cut-in-femtosecond-laser-assisted-deep-lamellar-keratoplasty-for-advanced-keratoconus
#19
Suxia Li, Ting Wang, Jiang Bian, Fuhua Wang, Shasha Han, Weiyun Shi
PURPOSE: To evaluate the outcomes of femtosecond laser-assisted deep lamellar keratoplasty (FDLK) in treating advanced keratoconus. METHODS: In the management of keratoconus in advanced stages, 89 patients (94 eyes) received FDLK, and 100 patients (100 eyes) underwent vacuum trephine-assisted deep anterior lamellar keratoplasty (DALK). Visual acuity, corneal curvature, and central corneal thickness were measured. The follow-up duration was 1 year. RESULTS: The best-corrected visual acuity (logMAR) was 0...
October 2016: Cornea
https://www.readbyqxmd.com/read/27462245/patch-grafting-using-a-cryopreserved-descemet-stripping-automated-endothelial-keratoplasty-flap-for-treating-corneal-perforation
#20
Arisa Okada, Ichiya Sano, Yoshifumi Ikeda, Etsuko Fujihara, Masaki Tanito
A 73-year-old woman with a corneal perforation of undetermined etiology was treated with corneal patch grafting. A residual partial-thickness corneal button obtained during a previous Descemet stripping automated endothelial keratoplasty (DSAEK) surgery and stored at -80°C in Optisol GS for 3 months was used as a patch graft. Five days postoperatively, the anterior chamber was reformed and the perforation was masked by the donor cornea. During the next several weeks, gradual displacement of the anterior edge of the donor cornea in the limbal direction occurred...
January 2016: Case Reports in Ophthalmology
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