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https://www.readbyqxmd.com/read/28068950/corneal-hysteresis-in-patients-with-glaucoma-like-optic-discs-ocular-hypertension-and-glaucoma
#1
Melissa L Murphy, Olya Pokrovskaya, Marie Galligan, Colm O'Brien
BACKGROUND: To compare corneal hysteresis (CH) measurements between patients with glaucoma, ocular hypertension (OHT) and glaucoma-like optic discs (GLD)- defined as a cup to disc ratio greater than or equal to 0.6 with normal intraocular pressure (IOP) and visual fields. The secondary aim was to investigate whether corneal resistance factor (CRF) and central corneal thickness (CCT) differ between patient groups. METHODS: In this cross sectional study a total of 123 patients (one eye each) were recruited from a glaucoma outpatient department to undergo ocular response analyser (ORA) testing and ultrasound pachymetry as well as clinical examination...
January 10, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28068412/a-comparison-of-gene-expression-profiles-between-glucocorticoid-responder-and-non-responder-bovine-trabecular-meshwork-cells-using-rna-sequencing
#2
Jaclyn Y Bermudez, Hannah C Webber, Bartley Brown, Terry A Braun, Abbot F Clark, Weiming Mao
The most common ocular side effect of glucocorticoid (GC) therapy is GC-induced ocular hypertension (OHT) and GC-induced glaucoma (GIG). GC-induced OHT occurs in about 40% of the general population, while the other 60% are resistant. This study aims to determine the genes and pathways involved in differential GC responsiveness in the trabecular meshwork (TM). Using paired bovine eyes, one eye was perfusion-cultured with 100nM dexamethasone (DEX), while the fellow eye was used to establish a bovine TM (BTM) cell strain...
2017: PloS One
https://www.readbyqxmd.com/read/28063100/efficacy-and-safety-of-adding-ripasudil-to-existing-treatment-regimens-for-reducing-intraocular-pressure
#3
Kenji Inoue, Ryoko Okayama, Minako Shiokawa, Kyoko Ishida, Goji Tomita
PURPOSE: Ripasudil accelerates aqueous humour drainage along the trabecular meshwork-Schlemm's canal route and has been approved for clinical use in Japan. We retrospectively investigated the efficacy and safety of adding ripasudil to existing treatment regimens to reduce intraocular pressure (IOP) in patients with glaucoma. METHODS: A total of 119 eyes from 119 subjects (61 men, 58 women) with primary open-angle glaucoma or ocular hypertension who had ripasudil added to their treatment regimens between December 2014 and June 2015 were included...
January 6, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28053501/fixed-combination-of-travoprost-and-timolol-maleate-reduces-intraocular-pressure-in-japanese-patients-with-primary-open-angle-glaucoma-or-ocular-hypertension-analysis-by-prostaglandin-analogue
#4
Tadashi Nakano, Shiro Mizoue, Nobuo Fuse, Aiko Iwase, Shun Matsumoto, Keiji Yoshikawa
BACKGROUND: We have shown a decrease in mean intraocular pressure (IOP) by switching to travoprost/timolol fixed combination (TTFC) in subjects receiving prostaglandin analogue (PGA) monotherapy and requiring additional medication in a previous report. For analyzing factors affecting IOP reduction, baseline IOP and preceding PGA were selected as statistically and clinically significant factors. In this report, we examine IOP-lowering effect and adverse drug reactions by preceding PGA...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28040851/impact-of-laser-pulse-duration-on-the-reduction-of-intraocular-pressure-during-selective-laser-trabeculoplasty
#5
Spela Stunf Pukl, Brigita Drnovšek-Olup
PURPOSE: To evaluate the efficacy of selective laser trabeculoplasty (SLT) to lower intraocular pressure (IOP) in patients with primary open-angle glaucoma (POAG), normal tension glaucoma (NTG) or ocular hypertension (OHT), when performed with laser pulse duration of 1 ns compared with standard 3-5 ns. METHODS: Bilateral SLT with a 532 nm Q-switched neodymium-doped yttrium aluminium garnet laser was conducted in 30 patients (60 eyes) with POAG (n = 5), NTG (n = 2) or OHT (n = 23)...
December 31, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/28038983/evaluation-of-the-myocilin-mutation-gln368stop-demonstrates-reduced-penetrance-for-glaucoma-in-european-populations
#6
Abhishek Nag, Han Lu, Matthew Arno, Adriana I Iglesias, Pieter Bonnemaijer, Linda Broer, Andre G Uitterlinden, Caroline C W Klaver, Cornelia van Duijn, Pirro G Hysi, Christopher J Hammond
PURPOSE: Sequence variations in the myocilin (MYOC) gene account for approximately 2% to 4% of glaucoma cases. One particular MYOC mutation, Gln368Stop (dbSNP accession number: rs74315329), is the most common genetic mutation causing glaucoma by increasing intraocular pressure (IOP). The objective of this study was to evaluate the effect of this MYOC mutation on IOP using data from large-scale European population panels (directly sequenced and imputation based). DESIGN: Cross-sectional, cohort study...
December 27, 2016: Ophthalmology
https://www.readbyqxmd.com/read/28028959/comparison-of-visual-field-measurement-with-heidelberg-edge-perimeter-and-humphrey-visual-field-analyzer-in-patients-with-ocular-hypertension
#7
Kamil Kaczorowski, Małgorzata Mulak, Dorota Szumny, Marta Baranowska, Joanna Jakubaszko-Jabłońska, Marta Misiuk-Hojło
BACKGROUND: Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss. The most important examination in glaucoma patients is visual field assessment. One of the newer perimeters is Heidelberg Edge Perimeter (HEP). OBJECTIVES: The aim of the study was to compare visual field measurements made with Humphrey II 740 Visual Field (Carl Zeiss Meditec) and Heidelberg Edge Perimeter (HEP) (Heidelberg Engineering). FDF stimulus (flicker defined form) in HEP stimulates magnocellular retinal cells, which are the first to be damaged in the early stage of glaucoma...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28027869/new-furoxan-derivatives-for-the-treatment-of-ocular-hypertension
#8
Marco Blangetti, Barbara Rolando, Konstantin Chegaev, Stefano Guglielmo, Loretta Lazzarato, Mariaconcetta Durante, Emanuela Masini, Nicoletta Almirante, Elena Bastia, Francesco Impagnatiello, Roberta Fruttero, Alberto Gasco
A small series of water-soluble NO-donor furoxans bearing a basic center at the 4-position, having a wide lipophilic-hydrophilic balance range, and endowed with different NO-release capacities, were synthesized and characterized. Selected members were studied for their IOP-lowering activity in the transient ocular hypertensive rabbit model at 1% dose. The most effective IOP-lowering products were compounds 3 and 7, whose activity 60min after administration was similar to that of Timolol. Notably, 7 was characterized by a long-lasting action...
December 18, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28007357/the-u-shaped-association-between-self-reported-sleep-duration-and-visual-impairment-in-korean-adults-a-population-based-study
#9
Youngju An, Choun-Ki Joo
OBJECTIVE: This study aimed to investigate the association between self-reported sleep duration and visual impairment (VI) in Korean adults. METHODS: This population-based, cross-sectional study examined ophthalmologic data of 16,374 Koreans aged 19 years and older from the 2010-2012 Korea National Health and Nutrition Examination Survey (KNHNES V). VI data (best-corrected distance visual acuity worse than 0.5 logMAR in the better-seeing eye) were obtained from direct ophthalmologic examinations, and data on self-reported sleep duration (≤5, 6, 7, 8, or ≥9 h/night) were obtained using questionnaires...
October 2016: Sleep Medicine
https://www.readbyqxmd.com/read/28003971/optic-neuropathy-and-increased-retinal-glial-fibrillary-acidic-protein-due-to-microbead-induced-ocular-hypertension-in-the-rabbit
#10
Jun Zhao, Tian-Hui Zhu, Wen-Chieh Chen, Shi-Ming Peng, Xiao-Sheng Huang, Kin-Sang Cho, Dong Feng Chen, Guei-Sheung Liu
AIM: To characterize whether a glaucoma model with chronic elevation of the intraocular pressure (IOP) was able to be induced by anterior chamber injection of microbeads in rabbits. METHODS: In order to screen the optimal dose of microbead injection, IOP was measured every 3d for 4wk using handheld applanation tonometer after a single intracameral injection of 10 µL, 25 µL, 50 µL or 100 µL microbeads (5×10(6) beads/mL; n=6/group) in New Zealand White rabbits...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27993589/adherence-to-fixed-combination-versus-unfixed-travoprost-0-004-timolol-0-5-for-glaucoma-or-ocular-hypertension-a-randomized-trial
#11
Howard S Barnebey, Alan L Robin
PURPOSE: To assess adherence to treatment with fixed-combination travoprost 0.004%/timolol 0.5% (TTFC) compared with separate containers of travoprost 0.004% and timolol 0.5% (TRAV+TIM; unfixed) using electronic dosing aids DESIGN: Randomized, controlled, observer-masked clinical trial METHODS: Setting: Two US clinical sites Patient Population: Eligible patients were adults diagnosed with open-angle glaucoma or ocular hypertension. Patients (n=81) were sequentially randomized 1:1 to receive TTFC or TRAV+TIM for 12 months...
December 16, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27990365/comparison-of-the-anti-inflammatory-effects-of-fluorometholone-0-1-combined-with-levofloxacin-0-5-and-tobramycin-dexamethasone-eye-drops-after-cataract-surgery
#12
Pei-Qing Chen, Xue-Mei Han, Ya-Nan Zhu, Jia Xu
AIM: To compare the combination of fluorometholone 0.1% and levofloxacin 0.5% to tobramycin/dexamethasone eye drops in controlling inflammation and preventing infection after phacoemulsification with an intraocular lens implantation. METHODS: Sixty eyes from 60 patients undergoing cataract phacoemulsification were randomized into two groups; half of the patients were treated with fluorometholone (6 times/d) combined with levofloxacin (4 times/d), while the other half were treated with tobramycin/dexamethasone (4 times/d) eye drops for one week...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27984545/efficacy-of-dexamethasone-intravitreal-implant-for-refractory-macular-edema-caused-by-retinal-vein-occlusion
#13
Rehan M Hussain, Thomas A Ciulla, Lauren M Ciulla, Bethany Sink, Alon Harris
PURPOSE: To investigate efficacy of dexamethasone intravitreal (DEX) implant in treating refractory macular edema caused by retinal vein occlusion. METHODS: Retrospective chart review. RESULTS: Twenty-two eyes with refractory macular edema caused by retinal vein occlusion were treated with a mean of 2.2 DEX over 12 months. Patient had previously received a mean of 7 treatments (laser, bevacizumab, and/or triamcinolone) for macular edema present for at least 4 months duration (mean 20...
December 14, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27977576/outcome-of-primary-trabeculotomy-ab-interno-trabectome-surgery-in-patients-with-steroid-induced-glaucoma
#14
Philip Ngai, Grace Kim, Garrick Chak, Ken Lin, Masahiro Maeda, Sameh Mosaed
To determine the efficacy and safety of Trabectome surgery on patients with steroid response, ranging from ocular hypertension refractory to maximal medical therapy to the development of steroid-induced glaucoma.A nonrandomized, nonblinded, retrospective study of 20 subjects with steroid response was conducted. All 20 eyes underwent Trabectome surgery alone. Nine subjects had steroid response with unremarkable visual field, 3 had mild steroid-induced glaucoma, and 8 had advanced steroid-induced glaucoma. Outcome measures included intraocular pressure (IOP), number of glaucoma medications, need for secondary glaucoma surgery, and steroid regimen...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27960602/use-of-immunosuppressive-medications-for-treatment-of-pediatric-intermediate-uveitis
#15
Aimee O Hersh, Spencer Cope, John F Bohnsack, Akbar Shakoor, Albert T Vitale
PURPOSE: To describe the treatment and outcomes of a cohort of pediatric intermediate uveitis (IU) patients, with a particular focus on the use of immunomodulatory therapy (IMT). METHODS: The disease course, treatment, and outcomes of 39 pediatric IU patients treated in the Uveitis Clinic at the University of Utah from 1999 to 2012 were reviewed, retrospectively. RESULTS: Mean age at presentation was 7.7 years (SD 3.1). In total, 95% had bilateral involvement...
December 14, 2016: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/27957366/severe-corticosteroid-induced-ocular-hypertension-requiring-bilateral-trabeculectomies-in-a-patient-with-takayasu-s-arteritis
#16
Anna Maria Gruener, Pranev Sharma, Sally Ameen, Faisal Ahmed
We present a rare case of severe corticosteroid-induced ocular hypertension (OHT) after prolonged systemic corticosteroid use in a young woman with Takayasu's arteritis. As she did not sufficiently respond to ocular antihypertensive therapies, bilateral enhanced trabeculectomies were required to normalize her intraocular pressures. The systemic side effects of corticosteroids are well known, yet steroid-induced OHT and glaucoma remain silent causes of ocular morbidity. This case highlights the importance of IOP-monitoring in visually asymptomatic patients on systemic corticosteroids...
2016: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/27951592/novel-bruch-s-membrane-opening-minimum-rim-area-equalizes-disc-size-dependency-and-offers-high-diagnostic-power-for-glaucoma
#17
Philip Enders, Werner Adler, Friederike Schaub, Manuel M Hermann, Thomas Dietlein, Claus Cursiefen, Ludwig M Heindl
Purpose: The purpose of this study was to assess the diagnostic power of the novel two-dimensional parameter Bruch's membrane opening minimal rim area (BMO-MRA) in spectral-domain optical coherence tomography (SD-OCT) for detection of glaucoma compared to minimal rim width (BMO-MRW) and retinal nerve fiber layer (RNFL) thickness in large and small optic discs. Methods: In this case-control, cross-sectional study, 207 eyes of 207 participants, including 89 controls and 97 patients with glaucoma and 21 with ocular hypertension (OHT), with a disc size <1...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27941050/effects-of-ocular-and-systemic-factors-on-the-progression-of-glaucomatous-visual-field-damage-in-various-sectors
#18
Ryo Asaoka, Hiroshi Murata, Yuri Fujino, Kazunori Hirasawa, Masaki Tanito, Shiro Mizoue, Kazuhiko Mori, Katsuyoshi Suzuki, Takehiro Yamashita, Kenji Kashiwagi, Atsuya Miki, Nobuyuki Shoji
BACKGROUND/AIM: To investigate the effects of ocular and systemic risk factors for glaucomatous progression in different sectors of the visual field (VF). METHOD: 409 eyes from 268 patients with 10 reliable VFs from the Japanese Archive of Multicentral Databases in Glaucoma (JAMDIG) were investigated. VFs were divided into six sectors (mean total deviation (mTD)s20+, mTDs10-20 and mTDs0-10, >20°, 10-20° and <10° in the superior hemifield, respectively; and mTDi20+, mTDi10-20 and mTDi0-10, >20°, 10-20° and <10° in the inferior hemifield, respectively)...
December 9, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27939447/differential-response-and-withdrawal-profile-of-glucocorticoid-treated-human-trabecular-meshwork-cells
#19
Guorong Li, Gang Cui, W Michael Dismuke, Iris Navarro, Kristin Perkumas, David F Woodward, W Daniel Stamer
The goal of the study was to examine secreted protein response and withdrawal profiles from cultured human trabecular meshwork (HTM) cells following short- and long-term glucocorticoid treatment. Primary cultures of five human HTM cell strains isolated from 5 different individual donor eyes were tested. Confluent HTM cells were differentiated in culture media containing 1% FBS for at least one week, and then treated with Dexamethasone (Dex, 100 nM) 3 times/week for 1 or 4 weeks. Cell culture supernatant was collected 3 times per week for 8 weeks...
December 7, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27938953/frequency-of-unplanned-interventions-in-patients-attending-for-a-presumed-routine-glaucoma-follow-up-appointment
#20
Jennifer Calafati, Zia S Pradhan, Catherine M Birt
OBJECTIVE: To determine the frequency of patient visits in which an unplanned treatment modification was required in chronic patients attending a glaucoma clinic for routine follow-up and to identify the treatment interventions most commonly employed. DESIGN: Prospective, cross-sectional study. PARTICIPANTS: A total of 630 previously stable patients attending a glaucoma clinic for routine follow-up. METHODS: This was a single-centre survey of all eligible patients returning to an academic glaucoma clinic...
December 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
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