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https://www.readbyqxmd.com/read/28302155/a-prospective-randomised-placebo-controlled-double-masked-three-armed-multicentre-phase-ii-iii-trial-for-the-study-of-a-topical-treatment-of-ischaemic-central-retinal-vein-occlusion-to-prevent-neovascular-glaucoma-the-strong-study-study-protocol-for-a-randomised
#1
Katrin Lorenz, Yvonne Scheller, Katharina Bell, Franz Grus, Katharina A Ponto, Felix Bock, Claus Cursiefen, Jens Flach, Marta Gehring, Tunde Peto, Rufino Silva, Yossi Tal, Norbert Pfeiffer
BACKGROUND: Neovascular glaucoma (NVG) is rare, comprising only 3.9% of all glaucoma cases. The most common cause of NVG is ischaemic central retinal vein occlusion (iCRVO). NVG frequently results in blindness and painful end-stage glaucomatous damage leading to the need for enucleation. Currently, there is no preventive therapy for NVG following iCRVO. Rescue treatments have severe drawbacks. Accordingly, there is a great need for preventing the often visually devastating outcomes of NVG...
March 16, 2017: Trials
https://www.readbyqxmd.com/read/28290486/creation-of-nano-eye-drops-and-effective-drug-delivery-to-the-interior-of-the-eye
#2
Yoshikazu Ikuta, Shigenobu Aoyagi, Yuji Tanaka, Kota Sato, Satoshi Inada, Yoshitaka Koseki, Tsunenobu Onodera, Hidetoshi Oikawa, Hitoshi Kasai
Nano eye-drops are a new type of ophthalmic treatment with increased potency and reduced side effects. Compounds in conventional eye-drops barely penetrate into the eye because the cornea, located at the surface of eye, has a strong barrier function for preventing invasion of hydrophilic or large-sized materials from the outside. In this work, we describe the utility of nano eye-drops utilising brinzolamide, a commercially available glaucoma treatment drug, as a target compound. Fabrication of the nanoparticles of brinzolamide prodrug increases the eye penetration rate and results in high drug efficacy, compared with that of commercially available brinzolamide eye-drops formulated as micro-sized structures...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28260362/-the-questionnaire-survey-on-glaucoma-diagnosis-and-treatment-in-china-2016
#3
Q Zhang, K Cao, M T Kang, Y X Sun, J H Gan, J X Tian, A R Ran, X Zhang, Y D Su, S N Li
Objective: To investigate the present situation of diagnosis and treatment for primary angle-closure glaucoma (PACG) and primary open-angle glaucoma (POAG) and awareness of the relevant progress among Chinese ophthalmologists. Methods: This study was a cross-sectional, non-randomized sampling survey. Participants were ophthalmologists who attended the 11st Chinese Glaucoma Society Congress during November 11 to 12, 2016. They were invited to fill out a questionnaire. The questionnaire included participants' basic information and their knowledge about glaucoma diagnosis and treatment...
February 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28260356/-focus-on-popular-science-education-of-glaucoma-and-reduce-glaucomatous-low-vision-and-blindness
#4
X H Sun
The prevention of blindness caused by glaucoma is a difficult task. In order to accomplish the task better, we need the participation of whole society and popularize relevant medical knowledge. Popular science and related knowledge of glaucoma are needed to the people especially for high risk population. If people know glaucoma better and actively join the screening of glaucoma, we can find and diagnose glaucoma earlier, avoid late treatment and reduce the glaucomatous visual function impairment. For patients who had been diagnosed with glaucoma, they should aware and accept new medical concept and technique through systemic popular science education...
February 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28258400/a-review-of-selective-laser-trabeculoplasty-recent-findings-and-current-perspectives
#5
REVIEW
Yujia Zhou, Ahmad A Aref
Selective laser trabeculoplasty (SLT) has been widely used in the clinical management of glaucoma, both as primary and adjunctive treatment. As new evidence continues to arise, we review the current literature in terms of indications and efficacy, surgical technique, postoperative care, repeatability, and complications of this therapy. SLT has been shown to be effective in various glaucomas, including primary open-angle glaucoma (POAG), normal-tension glaucoma (NTG), steroid-induced glaucoma, pseudoexfoliation glaucoma (PXFG), and primary angle-closure glaucoma (PACG), as well as other glaucoma subtypes...
March 3, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28257449/effects-of-selective-serotonin-reuptake-inhibitors-on-glaucoma-a-nationwide-population-based-study
#6
Vincent Chin-Hung Chen, Mei-Hing Ng, Wei-Che Chiu, Roger S McIntyre, Yena Lee, Tsang-Yaw Lin, Jun-Cheng Weng, Pau-Chung Chen, Chung-Yao Hsu
BACKGROUND: Selective serotonin reuptake inhibitors (SSRIs) are one of the most commonly prescribed classes of antidepressants. Glaucoma is the second leading cause of blindness globally and iatrogenic glaucoma has been implicated across disparate medication classes. Available studies that have sought to determine the association between SSRI exposure and glaucoma have provided mixed results. The aim of the study herein was to investigate whether an association exists between SSRI exposure and glaucoma incidence...
2017: PloS One
https://www.readbyqxmd.com/read/28241021/extracellular-vesicles-mediate-signaling-between-the-aqueous-humor-producing-and-draining-cells-in-the-ocular-system
#7
Natalie Lerner, Sofia Avissar, Elie Beit-Yannai
PURPOSE: Canonical Wnt signaling is associated with glaucoma pathogenesis and intraocular pressure (IOP) regulation. Our goal was to gain insight into the influence of non-pigmented ciliary epithelium (NPCE)-derived exosomes on Wnt signaling by trabecular meshwork (TM) cells. The potential impact of exosomes on Wnt signaling in the ocular drainage system remains poorly understood. METHODS: Exosomes isolated from media collected from cultured NPCE cells by differential ultracentrifugation were characterized by dynamic light scattering (DLS), tunable resistive pulse sensing (TRPS), and nanoparticle tracking analysis (NTA), sucrose density gradient migration and transmission electron microscopy (TEM)...
2017: PloS One
https://www.readbyqxmd.com/read/28239491/efficacy-and-tolerability-of-travoprost-0-004-timolol-0-5-fixed-dose-combination-for-the-treatment-of-primary-open-angle-glaucoma-or-ocular-hypertension-inadequately-controlled-with-beta-blocker-monotherapy
#8
Simon Fabian Lerner, Ki Ho Park, Douglas A Hubatsch, Valeriy Erichev, Jose A Paczka, Timothy V Roberts
Objective. To evaluate the efficacy and tolerability of travoprost 0.004%/timolol 0.5% fixed-dose combination (TTFC) in patients with open-angle glaucoma (OAG) or ocular hypertension (OHT) inadequately controlled on beta-blocker monotherapy. Methods. In this phase IV, open-label study, 156 patients on beta-blocker monotherapy with mean intraocular pressure (IOP) between 18 and 32 mmHg were randomized (no washout period) to receive TTFC for 8 weeks (TTFC group) or to continue beta-blocker monotherapy for 4 weeks followed by TTFC for the remaining 4 weeks (beta-blocker group)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28231380/perioperative-medications-for-preventing-temporarily-increased-intraocular-pressure-after-laser-trabeculoplasty
#9
REVIEW
Linda Zhang, Jennifer S Weizer, David C Musch
BACKGROUND: Glaucoma is the international leading cause of irreversible blindness. Intraocular pressure (IOP) is the only currently known modifiable risk factor; it can be reduced by medications, incisional surgery, or laser trabeculoplasty (LTP). LTP reduces IOP by 25% to 30% from baseline, but early acute IOP elevation after LTP is a common adverse effect. Most of these IOP elevations are transient, but temporarily elevated IOP may cause further optic nerve damage, worsening of glaucoma requiring additional therapy, and permanent vision loss...
February 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28211881/a-technician-delivered-virtual-clinic-for-triaging-low-risk-glaucoma-referrals
#10
A Kotecha, J Brookes, P J Foster
PurposeThe purpose of this study is to describe the outcomes of a technician-delivered glaucoma referral triaging service with 'virtual review' of resultant data by a consultant ophthalmologist.Patients and methodsThe Glaucoma Screening Clinic reviewed new optometrist or GP-initiated glaucoma suspect referrals into a specialist ophthalmic hospital. Patients underwent testing by three ophthalmic technicians in a dedicated clinical facility. Data were reviewed at a different time and date by a consultant glaucoma ophthalmologist...
February 17, 2017: Eye
https://www.readbyqxmd.com/read/28210791/-comparison-of-trabeculectomy-and-canaloplasty-pressure-reducing-effect-and-postoperative-interventions-complications
#11
T Taruttis, E Chankiewitz, T Hammer
BACKGROUND: Trabeculectomy (TET) is still the most commonly performed surgical treatment in dealing with primary open angle glaucoma (POAG) worldwide. Canaloplasty (CP) as a nonpenetrating surgical procedure has recently become a new option to efficiently reduce intraocular pressure (IOP). OBJECTIVES: This study compared both surgical procedures concerning the efficacy in IOP reduction. Furthermore we compared IOP fluctuation, postoperative medication, visual acuity, astigmatism and postoperative interventions and complications...
February 16, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28203189/a-mystery-of-bilateral-annular-choroidal-and-exudative-retinal-detachment-with-no-systemic-involvement-is-it-part-of-vogt-koyanagi-harada-disease-spectrum-or-a-new-entity
#12
Ibrahim Elaraoud, Walter Andreatta, Li Jiang, Kenan Damer, Jalil Al-Ibrahim
A 65-year-old Caucasian male presented to the eye emergency department with bilateral significant visual loss. He was otherwise healthy with no significant past medical history. Ophthalmic history was significant for chronic open-angle glaucoma, for which the patient was using latanoprost once daily to both eyes. There was no preceding history of trauma or ocular surgery and the patient was emmetropic. Two weeks prior to his presentation, he reported a headache, which settled spontaneously. Slit-lamp examination demonstrated bilateral keratic precipitates, bilateral significantly shallow anterior chamber, and bilaterally normal intraocular pressures of 16 mm Hg...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28198606/sustained-release-of-brimonidine-from-a-new-composite-drug-delivery-system-for-treatment-of-glaucoma
#13
Jianguo Sun, Yuan Lei, Zhaoxing Dai, Xi Liu, Taomin Huang, Jihong Wu, Zhi Ping Xu, Xinghuai Sun
A novel layered double hydroxide (LDH) nanoparticle/thermogel composite drug delivery system (DDS) for sustained release of brimonidine (Bri) has been designed, prepared, and characterized in this study for treatment of severe glaucoma. Brimonidine is first loaded onto LDH (Bri@LDH) nanoparticles, which are then dispersed in the thermogel consisting of plenty of micelles based on poly(dl-lactic acid-co-coglycolic acid)-polyethylene glycol-poly(dl-lactic acid-co-coglycolic acid) (PLGA-PEG-PLGA) copolymer. The Bri@LDH/Thermogel DDS containing 125...
February 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28155540/optimizing-novel-penetration-enhancing-hybridized-vesicles-for-augmenting-the-in-vivo-effect-of-an-anti-glaucoma-drug
#14
Sarah S Naguib, Rania M Hathout, Samar Mansour
Usually the topical delivery of ocular drugs poses a great challenge. Accordingly, the work in this study comprised the use of different hybrids of generally regarded as safe (GRAS) oils and surfactants in order to develop and optimize novel acetazolamide (AZD) entrapped-vesicular systems aiming at improving its ocular delivery and reaching better therapeutic outcomes in the treatment of glaucoma. The phospholipid/cholesterol bilayer of the vesicles was enriched with hybrids of Tween 80, Labrasol, Transcutol and Labrafac lipophile WL in different masses and proportions according to a mixture design viz...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28153738/myocilin-expression-is-regulated-by-retinoic-acid-in-the-trabecular-meshwork-derived-cellular-environment
#15
Cécile Prat, Corinne Belville, Aurélie Comptour, Geoffroy Marceau, Gael Clairefond, Frédéric Chiambaretta, Vincent Sapin, Loïc Blanchon
Glaucoma is the leading cause of irreversible blindness and is usually classified as angle closure and open angle glaucoma (OAG). Primary open angle glaucoma represents the most frequent clinical presentation leading to ganglion cell death and optic nerve degeneration as a main consequence of an intraocular pressure' (IOP) increase. The mechanisms of this IOP increase in such pathology remain unclear but one protein called Myocilin could be a part of the puzzle in the trabecular meshwork (TM). Previously described to be transcriptionally regulated by glucocorticoids, the comprehension of the trabecular regulation of Myocilin' expression has only weakly progressed since 15 years...
January 30, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28150590/assessment-of-thermal-effects-in-a-model-of-the-human-head-implanted-with-a-wireless-active-microvalve-for-the-treatment-of-glaucoma-creating-a-filtering-bleb
#16
Federico Schaumburg, Fabio Guarnieri
A 3D anatomical computational model is developed to assess thermal effects due to exposure to the electromagnetic field required to power a new investigational active implantable microvalve for the treatment of glaucoma. Such device, located in the temporal superior eye quadrant, produces a filtering bleb which is included in the geometry of the model, together with relevant ocular structures. The electromagnetic field source, a planar coil, and the microvalve antenna and casing are also included. Exposure to the electromagnetic field source of an implanted and a non-implanted subject are simulated by solving a magnetic potential formulation, using the finite element method...
February 2, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28146443/developing-an-item-bank-to-measure-quality-of-life-in-individuals-with-glaucoma-and-the-results-of-the-interview-with-patients-the-effect-of-visual-function-visual-field-progression-rate-medical-and-surgical-treatments-on-quality-of-life
#17
Masato Matsuura, Kazunori Hirasawa, Hiroyo Hirasawa, Mieko Yanagisawa, Hiroshi Murata, Chihiro Mayama, Ryo Asaoka
PURPOSE: To construct a new item bank to measure quality of life (QOL) in glaucoma patients and to evaluate glaucoma patients' QOL using the item bank. METHODS: An item bank of questions was generated through a literature review of QOL instruments useful for glaucoma patients. Using this item bank, a cognitive survey was performed on 203 patients with glaucoma (112 males and 91 females, 61.9±11.9 y old; mean±SD). The results were then analyzed using the Rasch analysis, and the Rasch-derived disability scores were predicted using linear modelling and the following clinical parameters: age, mean total deviation (mTD) in superior and inferior visual field (mTDsup/mTDinf), mTD progression rate, better visual acuity, worse visual acuity, number of eye drops administered per day, number of trabeculectomy procedures experienced in both eyes...
February 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28129569/investigating-the-antiplasmodial-activity-of-primary-sulfonamide-compounds-identified-in-open-source-malaria-data
#18
Gillian M Fisher, Silvia Bua, Sonia Del Prete, Megan S J Arnold, Clemente Capasso, Claudiu T Supuran, Katherine T Andrews, Sally-Ann Poulsen
In the past decade there has been a significant reduction in deaths due to malaria, in part due to the success of the gold standard antimalarial treatment - artemisinin combination therapies (ACTs). However the potential threat of ACT failure and the lack of a broadly effective malaria vaccine are driving efforts to discover new chemical entities (NCEs) to target this disease. The primary sulfonamide (PS) moiety is a component of several clinical drugs, including those for treatment of kidney disease, glaucoma and epilepsy, however this chemotype has not yet been exploited for malaria...
January 13, 2017: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/28101045/express-mini-shunt-as-a-treatment-alternative-for-medically-uncontrolled-steroid-induced-glaucoma-in-a-pediatric-patient
#19
Bonnie Nga Kwan Choy, Mandy Oi Man Wong, Jonathan Cheuk Hung Chan, Connie Hong Yee Lai, Jimmy Shiu Ming Lai
This case report illustrates the use of ExPRESS mini-shunt in a pediatric glaucoma patient. We describe the management of steroid-induced glaucoma with ExPRESS mini-shunt in a 9-year-old boy with allergic keratoconjunctivitis. The intraocular pressure of both of his eyes was uncontrolled with medical and laser treatment. Both eyes were treated with ExPRESS mini-shunt and mitomycin-C. Transient overfiltration with postoperative hypotony occurred in both eyes and resolved after 2 weeks. One year postoperatively, intraocular pressure was maintained below 21 mm Hg without medication in 1 eye...
September 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28088523/the-selective-cysteinyl-leukotriene-receptor-1-cyslt1r-antagonist-montelukast-regulates-extracellular-matrix-remodeling
#20
Jingli Peng, Hezheng Zhou, Guoping Kuang, Lilian Xie, Tao Tian, Ru Liu
Scar formation after filtration surgery of glaucoma is mainly caused by excessive synthesis of new extracellular matrix (ECM) and contraction of subconjunctival tissue mediated by human Tenon fibroblasts (HTFs) and the transforming growth factor (TGF-β1). Montelukast, a potent and specific cysteinyl leukotriene receptor 1 (cysLT1R) antagonist, is a licensed drug clinically used for the treatment of bronchial asthma. In this study, we investigated the effects of montelukast on the contractility of HTFs cultured in a three-dimensional collagen gel...
March 11, 2017: Biochemical and Biophysical Research Communications
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