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https://www.readbyqxmd.com/read/28453375/genetic-factors-influencing-the-reduction-of-central-corneal-thickness-in-disorders-affecting-the-eye
#1
Joanna Swierkowska, Marzena Gajecka
BACKGROUND: The aim was to summarize and discuss the current knowledge about genetic factors influencing the reduction of central corneal thickness (CCT) in disorders affecting the eye, such as primary open-angle glaucoma (POAG), brittle cornea syndrome (BCS), keratoconus (KTCN), Ehlers-Danlos syndrome (EDS; types I, II, and VI), osteogenesis imperfecta (OI), and myopia. MATERIALS AND METHODS: A review of the published literature by use of key databases such as PubMed was undertaken in accordance with PRISMA guidelines and experience based on own research findings was applied...
April 28, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28453367/retinal-pigment-epithelium-photoreceptor-layer-alterations-in-a-patient-with-sturge-weber-syndrome-with-diffuse-choroidal-hemangioma
#2
Solmaz Abdolrahimzadeh, Francesco Parisi, Flavio Mantelli, Andrea Perdicchi, Gianluca Scuderi
PURPOSE: To describe an 8-year-old girl with diagnosis of Sturge-Weber syndrome (SWS) presenting with glaucoma, abnormal iris vessels, diffuse choroidal hemangioma, and small white dot-shaped "microdrusen-like" alterations of the retina in the right eye. PATIENT AND METHODS: Complete ophthalmological examination was performed with slit-lamp anterior segment assessment and fundus ophthalmoscopy. Near infrared reflectance (NIR) and enhanced depth imaging (EDI) spectral domain optical coherence tomography (SD-OCT) were carried out...
April 28, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28449300/the-effect-of-canaloplasty-with-suprachoroidal-drainage-combined-with-cataract-surgery-1-year-results
#3
Anna-Maria Seuthe, Kai Januschowski, Siegfried Mariacher, Martina Ebner, Natalia Opitz, Peter Szurman, Karl Boden
PURPOSE: The purpose of this study was to investigate the safety and efficacy of phacocanaloplasty with suprachoroidal drainage (PCscD) and to compare its intraocular pressure (IOP)-lowering and drug-sparing effect to canaloplasty with suprachoroidal drainage (CscD). METHODS: The study retrospective interventional study included patients with open-angle glaucoma or secondary forms of glaucoma who underwent either CscD or PCscD between the year 2011 and 2014 in Knappschaft Eye Clinic Sulzbach...
April 27, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28449038/real-time-imaging-of-single-neuronal-cell-apoptosis-in-patients-with-glaucoma
#4
Maria F Cordeiro, Eduardo M Normando, M Jorge Cardoso, Serge Miodragovic, Seham Jeylani, Benjamin M Davis, Li Guo, Sebastien Ourselin, Roger A'Hern, Philip A Bloom
Retinal cell apoptosis occurs in many ocular neurodegenerative conditions including glaucoma-the major cause of irreversible blindness worldwide. Using a new imaging technique that we have called DARC (detection of apoptosing retinal cells), which until now has only been demonstrated in animal models, we assessed if annexin 5 labelled with fluorescent dye DY-776 (ANX776) could be used safely in humans to identify retinal cell apoptosis. Eight patients with glaucomatous neurodegeneration and evidence of progressive disease, and eight healthy subjects were randomly assigned to intravenous ANX776 doses of 0...
April 26, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28449000/three-year-follow-up-of-trabeculectomy-with-5-fluorouracil
#5
Friederike Lindemann, Niklas Plange, David Kuerten, Hannah Schimitzek, Antonis Koutsonas
PURPOSE: To evaluate the long-term outcome of trabeculectomy with intra- and postoperative 5-fluorouracil (5-FU) application in glaucoma. METHODS: Eighty-six patients with glaucoma planned for primary trabeculectomy with 5-FU and a minimum follow-up of 3 years were retrospectively analyzed. Success rates, postsurgical 5-FU injections, needling procedures, and complications were analyzed. RESULTS: Mean intraocular pressure (IOP) decreased from 27...
April 28, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28448732/cytomegalovirus-anterior-uveitis-following-topical-cyclosporine-a
#6
Jay Siak, Soon-Phaik Chee
Cytomegalovirus (CMV) anterior uveitis and endotheliitis occurs among immunocompetent individuals and may manifest as Posner-Schlossman syndrome or Fuchs uveitis syndrome. The condition may first present following ophthalmic surgery, the use of a fluocinolone-sustained steroid drug delivery implant, or the use of topical prostaglandin analogues for the treatment of glaucoma. We report the first case of a non-human immunodeficiency virus-infected individual who presented with CMV anterior uveitis after the use of topical cyclosporine A 0...
April 27, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28448671/disrupted-eye-movements-in-preperimetric-primary-open-angle-glaucoma
#7
Raymond P Najjar, Sourabh Sharma, Morgane Drouet, Stephanie Leruez, Mani Baskaran, Monisha E Nongpiur, Tin Aung, Joanne Fielding, Owen White, Michael J Girard, Cédric Lamirel, Dan Milea
Purpose: Primary open-angle glaucoma (POAG) can be associated with abnormal ocular motor behavior, possibly as a compensatory strategy following visual field loss. The aim of this study was to explore the characteristics of saccadic eye movements in patients with early-stage POAG without any detectable glaucomatous visual field loss (i.e., preperimetric POAG). Methods: Binocular eye movements were explored in 16 patients with bilateral preperimetric POAG and 16 age-matched healthy controls in a cross-sectional, observational study...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28448670/molecular-mechanisms-underlying-the-filtration-bleb-maintaining-effects-of-suberoylanilide-hydroxamic-acid-saha
#8
Akiko Futakuchi, Toshihiro Inoue, Tomokazu Fujimoto, Utako Kuroda, Miyuki Inoue-Mochita, Eri Takahashi, Saori Ohira, Hidenobu Tanihara
Purpose: Suberoylanilide hydroxamic acid (SAHA) has been shown to support the maintenance of experimental filtration blebs in animal models. This study was performed to investigate the molecular mechanisms underlying the bleb-maintaining effects of SAHA in modulating wound healing activities of conjunctival fibroblasts. Methods: Human conjunctival fibroblasts (HConFs) were pretreated with SAHA before treatment with TGF-β2. Microarray-based screening was used to investigate the gene expression profiles...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28448641/detecting-glaucoma-with-a-portable-brain-computer-interface-for-objective-assessment-of-visual-function-loss
#9
Masaki Nakanishi, Yu-Te Wang, Tzyy-Ping Jung, John K Zao, Yu-Yi Chien, Alberto Diniz-Filho, Fabio B Daga, Yuan-Pin Lin, Yijun Wang, Felipe A Medeiros
Importance: The current assessment of visual field loss in diseases such as glaucoma is affected by the subjectivity of patient responses and the lack of portability of standard perimeters. Objective: To describe the development and initial validation of a portable brain-computer interface (BCI) for objectively assessing visual function loss. Design, Setting, and Participants: This case-control study involved 62 eyes of 33 patients with glaucoma and 30 eyes of 17 healthy participants...
April 27, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28448622/goniodysgenesis-variability-and-activity-of-cyp1b1-genotypes-in-primary-congenital-glaucoma
#10
María T García-Antón, Juan J Salazar, Rosa de Hoz, Blanca Rojas, Ana I Ramírez, Alberto Triviño, José-Daniel Aroca-Aguilar, Julián García-Feijoo, Julio Escribano, José M Ramírez
Mutations in the CYP1B1 gene are currently the main known genetic cause of primary congenital glaucoma (PCG), a leading cause of blindness in children. Here, we analyze for the first time the CYP1B1 genotype activity and the microscopic and clinical phenotypes in human PCG. Surgical pieces from trabeculectomy from patients with PCG (n = 5) and sclerocorneal rims (n = 3) from cadaver donors were processed for transmission electron microscopy. Patients were classified into three groups depending on goniodysgenesis severity, which was influenced by CYP1B1 enzymatic activity...
2017: PloS One
https://www.readbyqxmd.com/read/28448424/rapid-intraocular-tube-trimming-for-glaucoma-drainage-implant-devices
#11
Paul Baciu, Stephen J Moster, Richard K Lee
PURPOSE: To describe a new approach for shortening silicone tubes of glaucoma drainage devices (GDDs). MATERIALS AND METHODS: A retrospective intervention case series describing 3 patients undergoing the same treatment at a single institutional center RESULTS:: Three patients underwent successful ab interno trimming of GDD silicone tubes without complication CONCLUSIONS:: This technique allows for rapid and successful shortening of GDD tubes via an ab interno approach avoiding risks of traditional glaucoma tube trimming approaches...
May 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28448294/macular-ganglion-cell-and-retinal-nerve-fiber-layer-thickness-in-children-with-refractive-errors-an-optical-coherence-tomography-study
#12
Jody P Goh, Victor Koh, Yiong Huak Chan, Cheryl Ngo
PURPOSE: To study the distribution of macular ganglion cell-inner plexiform layer (GC-IPL) thickness and peripapillary retinal nerve fiber layer (RNFL) thickness in children with refractive errors. MATERIALS AND METHODS: Two hundred forty-three healthy eyes from 139 children with refractive error ranging from -10.00 to +5.00 D were recruited from the National University Hospital Eye Surgery outpatient clinic. After a comprehensive ocular examination, refraction, and axial length (AL) measurement (IOLMaster), macular GC-IPL and RNFL thickness values were obtained with a spectral domain Cirrus high definition optical coherence tomography system (Carl Zeiss Meditec Inc...
April 26, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28448293/trabeculectomy-or-transscleral-cyclophotocoagulation-as-initial-treatment-of-secondary-childhood-glaucoma-in-northern-tanzania
#13
Achim Fieß, Peter Shah, Freda Sii, Furahini Godfrey, Joe Abbott, Richard Bowman, Jacqueline Bauer, Stefan Dithmar, Heiko Philippin
PURPOSE: The purpose is to describe the outcome of trabeculectomy with transscleral cyclophotocoagulation (TSCPC) as an initial intervention for secondary childhood glaucoma in Northern Tanzania. METHODS: A retrospective, consecutive case series was analyzed of all children with secondary childhood glaucoma who underwent initial trabeculectomy or TSCPC between 2000 and 2013 at a referral eye unit in Northern Tanzania. Retrospective data were collected on causes of glaucoma, intraocular pressure (IOP), visual acuity, complications, and subsequent interventions...
April 26, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28447270/annual-incidences-of-visual-impairment-during-10-year-period-in-mie-prefecture-japan
#14
Kengo Ikesugi, Takako Ichio, Hideyuki Tsukitome, Mineo Kondo
PURPOSE: To determine the annual incidence of visual impairment in a Japanese population during a 10-year period. METHODS: We examined the physical disability certificates issued yearly between 2004 and 2013 in Mie prefecture, Japan. During this period 2468 visually impaired people were registered under the newly defined Act on Welfare of the Physically Disabled Persons' criteria. The age, sex distribution, and causes of visual impairment were determined from the certificates...
April 26, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28446616/early-immune-responses-are-independent-of-rgc-dysfunction-in-glaucoma-with-complement-component-c3-being-protective
#15
Jeffrey M Harder, Catherine E Braine, Pete A Williams, Xianjun Zhu, Katharine H MacNicoll, Gregory L Sousa, Rebecca A Buchanan, Richard S Smith, Richard T Libby, Gareth R Howell, Simon W M John
Various immune response pathways are altered during early, predegenerative stages of glaucoma; however, whether the early immune responses occur secondarily to or independently of neuronal dysfunction is unclear. To investigate this relationship, we used the Wld(s) allele, which protects from axon dysfunction. We demonstrate that DBA/2J.Wld(s) mice develop high intraocular pressure (IOP) but are protected from retinal ganglion cell (RGC) dysfunction and neuroglial changes that otherwise occur early in DBA/2J glaucoma...
April 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28446179/glycam1-negatively-regulates-monocyte-entry-into-the-optic-nerve-head-and-contributes-to-radiation-based-protection-in-glaucoma
#16
Pete A Williams, Catherine E Braine, Nicole E Foxworth, Kelly E Cochran, Simon W M John
BACKGROUND: We previously reported a profound long-term neuroprotection subsequent to a single radiation-therapy in the DBA/2J mouse model of glaucoma. This neuroprotection prevents entry of monocyte-like immune cells into the optic nerve head during glaucoma. Gene expression studies in radiation-treated mice implicated Glycam1 in this protection. Glycam1 encodes a proteoglycan ligand for L-selectin and is an excellent candidate to modulate immune cell entry into the eye. Here, we experimentally test the hypothesis that radiation-induced over-expression of Glycam1 is a key component of the neuroprotection...
April 26, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28446148/circumpapillary-retinal-nerve-fiber-layer-thickness-anterior-lamina-cribrosa-depth-and-lamina-cribrosa-thickness-in-neovascular-glaucoma-secondary-to-proliferative-diabetic-retinopathy-a-cross-sectional-study
#17
Satoshi Yokota, Yuji Takihara, Yoshihiro Takamura, Masaru Inatani
BACKGROUND: To compare the lamina cribrosa between eyes with and without neovascular glaucoma (NVG) using enhanced depth imaging spectral-domain optical coherence tomography. METHODS: Forty-six patients with proliferative diabetic retinopathy were enrolled in this cross-sectional study. The patients were divided into two groups based on the absence or presence of NVG (the non-NVG group and the NVG group, respectively). The intraocular pressure (IOP), circumpapillary retinal nerve fiber layer (cpRNFL) thickness, anterior lamina cribrosa depth (ALD), and laminar thickness (LT) were compared between the groups...
April 26, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28445203/considerations-for-refractive-surgery-in-the-glaucoma-patient
#18
Meleha Ahmad, Isaac Chocron, Anurag Shrivastava
PURPOSE OF REVIEW: Given the popularity of keratorefractive surgery, and an aging populous of patients who have undergone these procedures, there is an increasing need for updated management protocols. This is particularly relevant for patients with chronic progressive diseases such as glaucoma, due to the variety of related diagnostic and management challenges inherent to these diseases. Here, we will review the current literature to provide an update on the management of patients with glaucoma who are undergoing, or have had laser ablative refractive surgery...
April 25, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28445001/inhibition-properties-of-some-flavonoids-on-carbonic-anhydrase-i-and-ii-isoenzymes-purified-from-human-erythrocytes
#19
Zübeyir Huyut, Şükrü Beydemir, İlhami Gülçin
Carbonic anhydrases (CAs, E.C.4.2.1.1) play a critical role in many important physiological events and treatment of some diseases. Flavonoids or phenolic compounds have been discovered as novel CAs inhibitors instead of the traditional sulfonamides, with different binding to CAs, pro-drug activities, and new inhibition mechanisms. Here, we investigated the inhibition effects of some flavonoids including malvin, callistephin, oenin, pelargonin, silychristin, and 1-(4-methoxyphenyl)-2-methyl-3-nitro-1-H-indol-6-ol (ID-8) against hCA I and II, which purified from human erythrocytes by affinity column chromatography...
April 26, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28444329/the-eye-drop-preservative-benzalkonium-chloride-potently-induces-mitochondrial-dysfunction-and-preferentially-affects-lhon-mutant-cells
#20
Sandipan Datta, Christophe Baudouin, Francoise Brignole-Baudouin, Alexandre Denoyer, Gino A Cortopassi
Purpose: Benzalkonium chloride (BAK) is the most commonly used eye drop preservative. Benzalkonium chloride has been associated with toxic effects such as "dry eye" and trabecular meshwork degeneration, but the underlying biochemical mechanism of ocular toxicity by BAK is unclear. In this study, we propose a mechanistic basis for BAK's adverse effects. Method: Mitochondrial O2 consumption rates of human corneal epithelial primary cells (HCEP), osteosarcoma cybrid cells carrying healthy (control) or Leber hereditary optic neuropathy (LHON) mutant mtDNA [11778(G>A)], were measured before and after acute treatment with BAK...
April 1, 2017: Investigative Ophthalmology & Visual Science
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