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Descemet's membrane

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https://www.readbyqxmd.com/read/28094043/incidence-and-clinical-course-of-immune-reactions-after-descemet-membrane-endothelial-keratoplasty-retrospective-analysis-of-1000-consecutive-eyes
#1
Deniz Hos, Onur Tuac, Friederike Schaub, Tisha P Stanzel, Silvia Schrittenlocher, Martin Hellmich, Björn O Bachmann, Claus Cursiefen
PURPOSE: To analyze the incidence and clinical course of graft rejection episodes after Descemet membrane endothelial keratoplasty (DMEK). DESIGN: Retrospective analysis of a consecutive, interventional case series. PARTICIPANTS: One thousand eyes that underwent DMEK from July 2011 through August 2015 at the Department of Ophthalmology, University of Cologne. METHODS: All cases with follow-up of at least 1 month were included (mean follow-up, 18...
January 13, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28079691/lutein-and-brilliant-blue-based-dye-for-donor-preparation-and-transplantation-in-descemet-membrane-endothelial-keratoplasty
#2
Sebastian Siebelmann, Mario Matthaei, Robert Hörster, Claus Cursiefen, Björn Bachmann
PURPOSE: Trypan blue (TB) is used for visualization of the endothelium-Descemet membrane graft during Descemet membrane endothelial keratoplasty (DMEK). However, TB is assumed to have a dose-dependent toxic effect on the corneal endothelium. We retrospectively compared a lutein/zeaxanthin and Brilliant Blue (LZ/BB)-based dye for preparation and transplantation of the graft in DMEK to TB. METHODS: In 20 patients, a dye composed of 1% LZ /0.025% BB was used, and in 22 patients, 0...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079689/scanning-electron-microscope-analysis-of-stromal-surface-regularity-in-dsaek-using-manual-or-automated-microkeratomes-or-dmek
#3
Alberto Villarrubia, Enrique García, Antonio Cano-Ortiz, Alberto Membrillo, Antoni Sabala, Javier Celis, Antoni Salvador, Jorge Solana, Alexandra Arango, Irene Sassot
PURPOSE: To analyze differences in the stromal bed according to the method used to obtain the disc for endothelial transplant with 1) an automated microkeratome for Descemet stripping automated endothelial keratoplasty (DSAEK), 2) homogeneous dissection of Descemet membrane (Descemet membrane endothelial keratoplasty [DMEK]), or 3) a manual microkeratome used for DSAEK. METHODS: We analyzed the stromal bed of 25 consecutive corneas used for endothelial transplantation, divided into 3 groups: 1) 11 samples cut with an automated microkeratome, 2) 5 samples used for DMEK, 3) 9 samples cut with a manual microkeratome...
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28076561/visual-outcomes-after-deep-anterior-lamellar-keratoplasty-using-donor-corneas-without-removal-of-descemet-membrane-and-endothelium
#4
Tatiana Moura Bastos Prazeres, Rodrigo Muller, Tatiana Rayes, Flavio Eduardo Hirai, Luciene Barbosa de Sousa
Purpose: The optical quality of the interface after deep anterior lamellar keratoplasty (DALK) using the big-bubble technique has been shown to be excellent, leading to results comparable to penetrating keratoplasty. However, there is little in the literature with respect to the controversy surrounding the preparation of the donor cornea. The purpose of this study was to evaluate visual acuity (VA) in patients with keratoconus who underwent DALK without removal of the donor graft endothelium...
November 2016: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28062421/intraoperative-oct-assisted-descemetopexy-with-stromal-vent-incisions-and-intracameral-gas-injection-for-case-of-non-resolving-descemet-s-membrane-detachment
#5
Archita Singh, Murugesan Vanathi, Suman Sahu, Saranya Devi
Descemet's membrane detachment (DMD) though uncommon in the present day scenario of advancing surgical techniques is a significant complication that requires prompt diagnosis and management. A middle-aged man presented to our hospital with poor gain of vision following cataract surgery. There was significant corneal oedema with DMD which was confirmed on anterior segment optical coherence tomography. We describe a modified continuous intraoperative-guided approach for the management of DMD in cases with oedematous hazy corneas...
January 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28060074/eventual-endothelial-failure-after-initial-corneal-clearing-after-a-detached-endothelial-graft-in-fuchs-dystrophy
#6
Hyunjoo J Lee, Wuqaas M Munir
PURPOSE: To report a case of eventual corneal endothelial cell failure after spontaneous resolution of corneal edema after failed Descemet membrane endothelial keratoplasty (DMEK). METHODS: Retrospective case report. RESULTS: A 56-year-old man with Fuchs endothelial corneal dystrophy underwent cataract and DMEK surgery in the left eye. The transplanted DMEK graft detached in the early postoperative period and formed a peripheral scroll. Despite graft detachment, corneal edema resolved with endothelial cell repopulation of the central cornea...
February 2017: Cornea
https://www.readbyqxmd.com/read/28060070/enhancing-dmek-success-by-identifying-optimal-levels-of-trypan-blue-dye-application-to-donor-corneal-tissue
#7
Parag A Majmudar, Lauren Johnson
PURPOSE: The purpose of this study was to determine the correct concentration and duration of application of trypan blue dye to Descemet membrane endothelial keratoplasty (DMEK) donor corneal tissue before transplant to enhance visibility while minimizing damage to the tissue. METHODS: Corneas were precut for DMEK using an 8-mm punch, and each was stained with either 0.06% or 0.15% trypan blue for a duration of 1, 3, or 5 minutes. After staining, each tissue was placed in balanced salt solution and observed to determine how quickly the stain faded from the tissue using a grading system...
February 2017: Cornea
https://www.readbyqxmd.com/read/28060027/advantages-of-anterior-segment-optical-coherence-tomography-evaluation-of-the-kayser-fleischer-ring-in-wilson-disease
#8
Mittanamalli S Sridhar
PURPOSE: To present anterior segment optical coherence tomography (AS-OCT) findings of the Kayser-Fleischer (KF) ring in Wilson disease (WD) and to discuss the potential advantages of evaluating the KF ring by AS-OCT. METHODS: This is a retrospective case series of 7 patients with WD with KF rings seen in our institute during the study period (August 2015 to June 2016). All patients underwent slit-lamp examination of the cornea and AS-OCT (Optovue RTVue Premier)...
January 4, 2017: Cornea
https://www.readbyqxmd.com/read/28056141/hemorrhagic-descemet-membrane-detachment-after-canaloplasty
#9
Ilya Sluch, Andrew Bailey
No abstract text is available yet for this article.
January 5, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28029294/corneal-thickness-of-eyes-of-healthy-goats-sheep-and-alpacas-manually-measured-by-use-of-a-portable-spectral-domain-optical-coherence-tomography-device
#10
Alexander J LoPinto, Chris G Pirie, Daniela Bedenice, Sandra L Ayres
OBJECTIVE To determine corneal thickness of eyes of healthy goats, sheep, and alpacas by use of a portable spectral-domain optical coherence tomography (SD-OCT) device and evaluate intraoperator reliability for measurements. ANIMALS 11 female goats, 10 female sheep, and 11 (4 males and 7 females) alpacas. PROCEDURES Each animal was sedated, and gentle manual restraint was used to ensure proper positioning of the head and globe. Corneal pachymetry was performed (in triplicate) with a portable SD-OCT device on both eyes of each animal...
January 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28018708/clinical-outcomes-of-descemet-membrane-endothelial-keratoplasty-during-the-surgeon-learning-curve-versus-descemet-stripping-endothelial-keratoplasty-performed-at-the-same-time
#11
Jennifer Rose-Nussbaumer, Shashi Alloju, Winston Chamberlain
PURPOSE: To compare outcomes after Descemet Membrane Endothelial Keratoplasty (DMEK) and traditional Descemet Stripping Endothelial Keratoplasty (DSEK) during the surgeon's DMEK learning curve in a prospective, non-randomized, consecutive, interventional case series. METHODS: Consecutive patients presenting to the university eye clinics and undergoing endothelial keratoplasty were included. Data including patient demographics, visual acuity, endothelial cell counts and complications were recorded at baseline, as well as 3 and 6 months post-operatively...
October 2016: Journal of Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28009413/role-of-dextran-in-maintaining-adhesive-and-stiffness-properties-of-prestripped-dmek-lenticules
#12
Mohit Parekh, Alessandro Ruzza, Rosa Di Mundo, Stefano Ferrari, Giuseppina Recchia, Hossein Elbadawy, Giuseppe Carbone, Diego Ponzin
PURPOSE: To investigate the adhesive and stiffness properties of prestripped Descemet membrane endothelial keratoplasty (DMEK) lenticules in different preservation conditions (with and without dextran). METHODS: The study included 3 conditions: (C1) tissues collected from tissue culture media (TCM), stripped and preserved in TCM; (C2) tissues collected from transport media (TM) (TCM supplemented with 6% dextran T-500), stripped and preserved in TM; and (C3) tissues collected from TCM, stripped and preserved in TM...
November 25, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28007113/effect-of-postoperative-administration-of-nonsteroidal-antiinflammatory-drugs-and-steroids-on-the-conformational-changes-in-wound-healing-after-cataract-surgery
#13
Eun Young Choi, Hyun Goo Kang, Tae-Im Kim, Eung Kwoen Kim, Hyung Keun Lee
PURPOSE: To assess the changes in clear corneal incision (CCI) healing resulting from the postoperative administration of nonsteroidal antiinflammatory drugs (NSAIDs) or steroids using anterior segment optical coherence tomography (AS-OCT). SETTING: Institute of Vision Research, Department of Ophthalmology, Yonsei University, Seoul, South Korea. DESIGN: Prospective randomized comparative study. METHODS: Eyes having cataract surgery were randomly given an NSAID (bromfenac 0...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28003989/descemet-s-membrane-detachments-post-cataract-surgery-a-management-paradigm
#14
Chameen Samarawickrama, Jacqueline Beltz, Elsie Chan
Descemet's membrane detachments (DMD) are relatively common after cataract surgery and most do not require any treatment. However, if large DMD are not treated appropriately, significant visual morbidity can ensue. We aim to develop a guideline for the management of DMD post cataract surgery based on a retrospective review of all cases encountered at the Royal Victorian Eye and Ear Hospital, Melbourne, Australia over a 4-year period from 2010 to 2014. We suggest conservative management if the visual axis is not involved; however, after 3mo surgical intervention may be warranted to prevent corneal sequelae...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28003975/preoperative-evaluation-and-outcome-of-corneal-transplantation-for-limbal-dermoids-a-ten-year-follow-up-study
#15
Meng Xin, Yue-Rong Gong, Shan-Hao Jiang, Chun-Hua Dai, Su-Xia Li, Wei-Yun Shi
AIM: To summarize preoperative evaluation and outcome of corneal transplantation for limbal dermoids for ten years. METHODS: Eighty-five patients diagnosed with limbal dermoids and treated with corneal transplantation were analyzed retrospectively. All patients were further divided into two groups according to absence or presence of neovascularization surrounding the dermoids in the corneal stroma. Eighty-two eyes were treated with tumor excision combined with partial lamellar sclerokeratoplasty, and the other three eyes were performed by penetrating keratoplasty...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28002113/techniques-for-learning-descemet-membrane-endothelial-keratoplasty-for-eyes-of-asian-patients-with-shallow-anterior-chamber
#16
Takahiko Hayashi, Itaru Oyakawa, Naoko Kato
PURPOSE: To describe several essential surgical techniques that overcome difficulties in performing Descemet membrane endothelial keratoplasty (DMEK) for inexperienced surgeons, especially those who perform DMEK on eyes of Asian patients. METHODS: Nine eyes of 9 Asian patients with bullous keratopathy who underwent DMEK were analyzed retrospectively. All patients were given a diuretic such as D-mannitol or acetazolamide shortly before surgery, with retrobulbar anesthesia and a Nadbath facial nerve block...
January 4, 2017: Cornea
https://www.readbyqxmd.com/read/28002107/astigmatism-correction-with-toric-intraocular-lenses-in-descemet-membrane-endothelial-keratoplasty-triple-procedures
#17
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/27994821/erratum-descemet-s-membrane-detachment-management-following-trabeculectomy
#18
(no author information available yet)
[This corrects the article on p. 323 in vol. 11, PMID: 27621793.].
October 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27994805/descemet-s-membrane-endothelial-keratoplasty-in-south-asian-population
#19
Vipul Bhandari, Jagdeesh K Reddy, Prateek Chougale
PURPOSE: To evaluate visual outcomes, endothelial cell density and complications following Descemet's membrane endothelial keratoplasty (DMEK). METHODS: This study included 40 consecutive eyes that underwent DMEK for various pathologies involving the corneal endothelium. Best corrected visual acuity (BCVA) and endothelial cell density (ECD) were measured and compared before and 6 months after surgery. RESULTS: Out of 40 eyes, 34 eyes (85%) had BCVA ranging from 0...
October 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27986425/two-year-course-of-corneal-densitometry-after-descemet-membrane-endothelial-keratoplasty-dmek
#20
Friederike Schaub, Philip Enders, Cornelius Bluhm, Björn O Bachmann, Claus Cursiefen, Ludwig M Heindl
PURPOSE: To investigate the two-year course of corneal densitometry following Descemet membrane endothelial keratoplasty (DMEK) for Fuchs endothelial dystrophy (FED). DESIGN: Retrospective, interventional case series. METHODS: Densitometry values (corneal light backscatter in greyscale units) measured by Scheimpflug-based imaging and clinical records of 160 eyes of 160 patients undergoing DMEK for FED were reviewed. Outcome measures included densitometry data in 4 corneal layers (anterior layer (AL), central layer (CL), posterior layer (PL), and total layer (TL)) and 2 annuli (central annular zone 0-2mm and peripheral zone 2-10mm), central corneal thickness (CCT), best spectacle-corrected visual acuity (BSCVA), and endothelial cell density (ECD) prior to DMEK and at 1, 3, 6, 12, and 24 months postoperatively...
December 13, 2016: American Journal of Ophthalmology
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