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https://www.readbyqxmd.com/read/29223239/phacoemulsification-with-intraocular-lens-implantation-after-previous-descemetorhexis-without-endothelial-keratoplasty
#1
Aaron R Kaufman, Ricardo M Nosé, Yifan Lu, Roberto Pineda
A 58-year-old woman with bilateral Fuchs endothelial corneal dystrophy presented with predominantly central guttata in the left eye causing visually significant stromal edema. A 4.0 mm descemetorhexis without endothelial keratoplasty was performed. At the 6-week follow-up, the central cornea had cleared completely and the central endothelial cell density (ECD) was 541 cells/mm2. The central corneal clearing remained stable for 2 years after the procedure; however, vision declined because of a visually significant cataract in the left eye...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29213190/smartphone-based-imaging-of-the-corneal-endothelium-at-sub-cellular-resolution
#2
Devrim Toslak, Damber Thapa, Muhammet Kazim Erol, Yanjun Chen, Xincheng Yao
This aim of this study was to test the feasibility of smartphone-based specular microscopy of the corneal endothelium at a sub-cellular resolution. Quantitative examination of endothelial cells is essential for evaluating corneal disease such as determining a diagnosis, monitoring progression and assessing treatment. Smartphone-based technology promises a new opportunity to develop affordable devices to foster quantitative examination of endothelial cells in rural and underserved areas. In our study, we incorporated an iPhone 6 and a slit lamp to demonstrate the feasibility of smartphone-based microscopy of the corneal endothelium at a sub-cellular resolution...
2017: Journal of Modern Optics
https://www.readbyqxmd.com/read/29209447/nrf2-a-potential-therapeutic-target-against-oxidative-stress-in-corneal-diseases
#3
REVIEW
Xiu-Fen Liu, Dan-Dan Zhou, Tian Xie, Tayyab Hamid Malik, Cheng-Bo Lu, Hai-Jun Li, Fan Wang, Chang Shu, Cong Liu, Cheng-Wei Lu, Ji-Long Hao
Corneal diseases are one of the major causes of blindness worldwide. Conservative medical agents, which may prevent sight-threatening corneal disease progression, are urgently desired. Numerous evidences have revealed the involvement of oxidative stress in various corneal diseases, such as corneal wound healing and Fuchs endothelial corneal dystrophy (FECD). Nuclear factor (erythroid-derived 2)-like 2 (Nrf2)/Kelch-like erythroid-cell-derived protein with CNC homology- (ECH-) associated protein 1 (Keap1)/antioxidant response element (ARE) signaling is well known as one of the main antioxidative defense systems...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29196769/ctg18-1-expansion-in-tcf4-among-african-americans-with-fuchs-corneal-dystrophy
#4
Allen O Eghrari, Sina Vahedi, Natalie A Afshari, S Amer Riazuddin, John D Gottsch
Purpose: Studies of Fuchs' dystrophy have largely focused on individuals of European origin. Characterization of disease among African Americans is required to ensure prognostic factors and therapeutic approaches are applicable across diverse patient populations. Methods: We assessed all self-reported black and white patients aged older than 40 years at a tertiary care institution with a diagnosis of cataract over a 3-year period for concurrent diagnosis of Fuchs' dystrophy...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29136408/fuchs-endothelial-and-myotonic-dystrophies-corneal-dystrophy-in-myotonic-patients
#5
Maddalena De Bernardo, Nicola Rosa
No abstract text is available yet for this article.
November 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29132691/-practical-assessment-of-dsaek-in-the-management-of-endothelial-decompensation-following-penetrating-keratoplasty
#6
E Neiter, C Goetz, F Tortuyaux, A Ehrhardt, N Houmad, J-M Perone
PURPOSE: To report our anatomical and functional results as well as possible complications of the first six Descemet's stripping endothelial keratoplasties (DSAEK) performed in our department for endothelial decompensation after penetrating keratoplasty (PK) METHODS: This was a retrospective and observational monocentric study of six patients with DSAEK after prior PK between January 2015 and July 2016. The data collected were: demographic characteristics (age, sex), ophthalmological comorbidities, initial indication for PK, delay between PK and DSAEK...
November 11, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29127432/corneal-endothelial-cell-loss-3-years-after-successful-descemet-stripping-automated-endothelial-keratoplasty-in-the-cornea-preservation-time-study-a-randomized-clinical-trial
#7
Jonathan H Lass, Beth Ann Benetz, David D Verdier, Loretta B Szczotka-Flynn, Allison R Ayala, Wendi Liang, Anthony J Aldave, Steven P Dunn, Tyrone McCall, Shahzad I Mian, Lisa C Navarro, Sanjay V Patel, Sudeep Pramanik, George O Rosenwasser, Kevin W Ross, Mark A Terry, Craig Kollman, Robin L Gal, Roy W Beck
Importance: Demonstrating that endothelial cell loss following Descemet stripping automated endothelial keratoplasty (DSAEK) is independent of donor cornea preservation time (PT) could increase the pool of corneal tissue available for keratoplasty. Objective: To determine whether endothelial cell loss 3 years after successful DSAEK is related to PT. Design, Setting, and Participants: A multicenter, double-masked, randomized clinical trial included 40 clinical sites (70 surgeons) in the United States, with donor corneas provided by 23 US eye banks...
November 10, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29127431/effect-of-cornea-preservation-time-on-success-of-descemet-stripping-automated-endothelial-keratoplasty-a-randomized-clinical-trial
#8
George O Rosenwasser, Loretta B Szczotka-Flynn, Allison R Ayala, Wendi Liang, Anthony J Aldave, Steven P Dunn, Tyrone McCall, Lisa C Navarro, Sudeep Pramanik, Kevin W Ross, R Doyle Stulting, Mark A Terry, Elmer Y Tu, David D Verdier, Craig Kollman, Robin L Gal, Roy W Beck, Jonathan H Lass
Importance: Demonstrating that success of Descemet stripping automated endothelial keratoplasty is similar across donor cornea preservation times (PTs) could increase the donor pool. Objective: To determine whether the 3-year rate of graft success using corneal donor tissue preserved 8 to 14 days is noninferior to that of donor tissue preserved 7 days or less. Design, Setting, and Participants: A multicenter, double-masked, randomized noninferiority clinical trial was conducted from April 16, 2012, to June 5, 2017, at 40 clinical sites (70 surgeons) in the United States, with donor corneas provided by 23 US eye banks...
November 10, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29120722/recurrent-endothelial-rejection-after%C3%A2-dsaek-and-dmek-causing-corneal-perforation-in-a-patient-with-history-of%C3%A2-fuchs%C3%A2-endothelial-dystrophy-october-consultation-1
#9
Majid Moshirfar
No abstract text is available yet for this article.
October 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29077583/phenotypic-characterization-of-corneal-endothelial-dystrophy-in-german-shorthaired-and-wirehaired-pointers-using-in-vivo-advanced-corneal-imaging-and-histopathology
#10
Olivia R Shull, Christopher M Reilly, Lola B Davis, Christopher J Murphy, Sara M Thomasy
PURPOSE: To evaluate corneal morphology using ultrasonic pachymetry (USP), Fourier-domain optical coherence tomography (FD-OCT), and in vivo confocal microscopy (IVCM) in 2 related canine breeds-German shorthaired pointers (GSHPs) and German wirehaired pointers (GWHPs)-with and without corneal endothelial dystrophy (CED). This condition is characterized by premature endothelial cell degeneration leading to concomitant corneal edema and is similar to Fuchs endothelial corneal dystrophy...
October 25, 2017: Cornea
https://www.readbyqxmd.com/read/29056323/impeding-transcription-of-expanded-microsatellite-repeats-by-deactivated-cas9
#11
Belinda S Pinto, Tanvi Saxena, Ruan Oliveira, Héctor R Méndez-Gómez, John D Cleary, Lance T Denes, Ona McConnell, Juan Arboleda, Guangbin Xia, Maurice S Swanson, Eric T Wang
Transcription of expanded microsatellite repeats is associated with multiple human diseases, including myotonic dystrophy, Fuchs endothelial corneal dystrophy, and C9orf72-ALS/FTD. Reducing production of RNA and proteins arising from these expanded loci holds therapeutic benefit. Here, we tested the hypothesis that deactivated Cas9 enzyme impedes transcription across expanded microsatellites. We observed a repeat length-, PAM-, and strand-dependent reduction of repeat-containing RNAs upon targeting dCas9 directly to repeat sequences; targeting the non-template strand was more effective...
November 2, 2017: Molecular Cell
https://www.readbyqxmd.com/read/29053562/predictive-factors-for-corneal-clearance-after-descemetorhexis-without-endothelial-keratoplasty
#12
Emma Davies, Ula Jurkunas, Roberto Pineda
PURPOSE: To study preoperative factors that possibly contribute to corneal clearance after Descemetorhexis without endothelial keratoplasty (DWEK) and to determine the most successful surgical technique for the procedure. METHODS: Retrospective chart review of 17 eyes of 13 patients with Fuchs corneal endothelial dystrophy that underwent central 4-mm DWEK. RESULTS: Baseline age, pachymetry, and endothelial cell count were not statistically significantly different between eyes that cleared 0 to 2 months, 3 to 5 months, 6 to 8 months, or that failed to clear...
October 17, 2017: Cornea
https://www.readbyqxmd.com/read/29044056/association-of-polymorphisms-in-the-intron-of-tcf4-gene-to-late-onset-fuchs-endothelial-corneal-dystrophy-an-indian-cohort-study
#13
Bhavna S Rao, Arokiasamy Tharigopala, Sudhir R Rachapalli, Rama Rajagopal, Nagasamy Soumittra
PURPOSE: Fuchs endothelial corneal dystrophy (FECD) is a progressive degenerative disease of the corneal endothelium. It is genetically heterogeneous and follows either an autosomal dominant or sporadic pattern of inheritance. Here, we have explored the association of four previously reported intronic single nucleotide polymorphisms and intronic CTG repeat expansions in TCF4 gene to FECD in an Indian cohort. METHODS: The cohort consisting of 52 sporadic late-onset cases, 5 early-onset cases, and 148 controls was taken for the study...
October 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29040117/factors-limiting-the-visual-outcome-after-descemet-stripping-automated-endothelial-keratoplasty-comprehensive-analysis-including-the-graft-position-and-irregularity
#14
Yasuaki Iwama, Takeshi Soma, Naoyuki Maeda, Yuzuru Sasamoto, Yoshinori Oie, Shizuka Koh, Kohji Nishida
PURPOSE: To investigate factors affecting best postoperative corrected distance visual acuity (CDVA) in patients who have undergone Descemet stripping automated endothelial keratoplasty (DSAEK). METHODS: Forty-two eyes of 42 patients with predominantly non-Fuchs endothelial corneal dystrophy after DSAEK were retrospectively evaluated. All patients were examined using anterior segment optical coherence tomography when their best postoperative CDVA had been achieved...
October 13, 2017: Cornea
https://www.readbyqxmd.com/read/29040116/air-versus-sulfur-hexafluoride-gas-tamponade-in-descemet-membrane-endothelial-keratoplasty-a-fellow-eye-comparison
#15
Philipp V von Marchtaler, Julia M Weller, Friedrich E Kruse, Theofilos Tourtas
PURPOSE: To perform a fellow eye comparison of outcomes and complications when using air or sulfur hexafluoride (SF6) gas as a tamponade in Descemet membrane endothelial keratoplasty (DMEK). METHODS: One hundred thirty-six eyes of 68 consecutive patients who underwent uneventful DMEK in both eyes for Fuchs endothelial corneal dystrophy were included in this retrospective study. Inclusion criteria were air tamponade (80% of the anterior chamber volume) in the first eye and 20% SF6 gas tamponade (80% of the anterior chamber volume) in the second eye; and same donor tissue culture condition in both eyes...
October 13, 2017: Cornea
https://www.readbyqxmd.com/read/28976417/parents-of-patients-with-congenital-hereditary-endothelial-dystrophy-should-be-evaluated-for-fuchs-endothelial-corneal-dystrophy
#16
Sunita Chaurasia, Muralidhar Ramappa, Chitra Kannabiran
No abstract text is available yet for this article.
December 2017: Cornea
https://www.readbyqxmd.com/read/28968295/descemet-membrane-endothelial-transfer-ultimate-outcome
#17
Rénuka S Birbal, Jack Parker, Martin Dirisamer, Ana Janićijević, Lamis Baydoun, Isabel Dapena, Gerrit R J Melles
PURPOSE: To evaluate the clinical outcome of 16 eyes undergoing Descemet membrane endothelial transfer (DMET). METHODS: In this retrospective cohort study, a consecutive series of 16 eyes from 16 patients was evaluated after subtotal detachment of the Descemet graft after a Descemet membrane endothelial keratoplasty procedure (n = 8) or intended DMET (n = 8) for either Fuchs endothelial dystrophy (n = 10) or bullous keratopathy (BK; n = 6). RESULTS: All 8 Descemet membrane endothelial keratoplasty procedures were complicated by subtotal detachment of the donor graft...
September 29, 2017: Cornea
https://www.readbyqxmd.com/read/28938379/dark-endothelial-spots-after-descemet-membrane-endothelial-keratoplasty-may-appear-as-recurrent-fuchs-dystrophy-or-herald-graft-failure-or-rejection
#18
Vasiliki Zygoura, Lamis Baydoun, Claire Monnereau, Maria Satué, Silke Oellerich, Gerrit R J Melles
PURPOSE: To evaluate the clinical significance of dark spots in the donor endothelial cell layer as observed with specular microscopy, in patients who underwent Descemet membrane endothelial keratoplasty (DMEK) for Fuchs endothelial dystrophy (FED). METHODS: Specular microscopy images of 83 consecutive eyes up to 7 years after DMEK were retrospectively reviewed in a masked fashion for the presence of dark spots and morphologic changes in the endothelial cell layer and processed for endothelial cell density (ECD) measurements...
December 2017: Cornea
https://www.readbyqxmd.com/read/28905834/microsporidial-infection-masquerading-as-graft-rejection-post-descemet-s-stripping-automated-endothelial-keratoplasty
#19
Lumbini Devi, N Venkatesh Prajna, Muthiah Srinivasan, Naveen Radhakrishnan, Manoranjan Das
A 51-year-old immunocompetent male with a history of Fuchs' endothelial dystrophy and immature cataract who underwent Descemet's stripping automated endothelial keratoplasty with intraocular lens implantation in both eyes presented with redness and defective vision of 1-day duration in his left eye. Slit lamp examination revealed coarse superficial punctate lesions with graft edema. He was diagnosed with acute graft rejection and treated with topical steroids. Two days later, symptoms worsened in his left eye with the involvement of his right eye showing a similar clinical picture...
September 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28886202/fuchs-endothelial-corneal-dystrophy-and-rna-foci-in-patients-with-myotonic-dystrophy
#20
V Vinod Mootha, Brock Hansen, Ziye Rong, Pradeep P Mammen, Zhengyang Zhou, Chao Xing, Xin Gong
Purpose: The most common cause of Fuchs' endothelial corneal dystrophy (FECD) is an intronic CTG repeat expansion in TCF4. Expanded CUG repeat RNA colocalize with splicing factor, muscleblind-like 1 (MBNL1), in nuclear foci in endothelium as a molecular hallmark. Myotonic dystrophy type 1 (DM1) is a neuromuscular disorder caused by a CTG repeat expansion in the 3'-untranslated region (UTR) of DMPK. In this study, we examine for RNA-MBNL1 foci in endothelial cells of FECD subjects with DM1, test the hypothesis that DM1 patients are at risk for FECD, and determine prevalence of TCF4 and DMPK expansions in a FECD cohort...
September 1, 2017: Investigative Ophthalmology & Visual Science
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