Search Results
Results 1 - 50 of 1920
1 2 3 4 5 6 7 8 9 10 >
Montgomery W W Department of Earth Science and Engineering, South Kensington Campus, Imperial College London, London SW7 2AZ, UK. Electronic address: - - 2014
Organic structures respond to pressure with a variety of mechanisms including degradation, intramolecular transformation and intermolecular bonding. The effects of pressure on chiral organic structures are of particular interest because of the potential steric controls on the fate of pressurized molecules. Despite representing a range of opportunities, the simultaneous study ...
Master Jordanna S JS Department of Physiology, The University of Melbourne, Parkville, VIC, 3010, - - 2014
Epidemiological studies have demonstrated an association between low birth weight and adult disease development with transmission to subsequent generations. The aim of this study was to examine the effect of intrauterine growth restriction in rats, induced by uteroplacental insufficiency, on cardiac structure, number, size, nuclearity and adult blood pressure in ...
Mendonca Cristiano de Queiroz CD Federal University of Sergipe, Aracaju, Sergipe, - - 2014
The aim of this study was to evaluate intraocular pressure (IOP) associated with use of glucocorticoids in children and adolescents treated for acute lymphoblastic leukemia and non-Hodgkin lymphoma. We carried out a prospective descriptive study with measurement of IOP before treatment (D0), 8th (D8), 14th (D14), and 28h days (D28) ...
Bochmann F F Department of Ophthalmology, Cantonal Hospital of Lucerne, Lucerne 16, - - 2014
PurposeThe aim of this study was to assess whether intraoperative testing of silicone Ahmed glaucoma valves (AGVs) would identify valves with an increased risk of low postoperative intraocular pressure (IOP).MethodsIn 30 consecutive cases of glaucoma surgery with AGV implantation, after priming the AGV, we intraoperatively measured the opening pressure A, ...
Kang S S SS Department of Anesthesiology and Pain Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, 445, Gil-dong, Gangdong-gu, Seoul 134-010, Republic of - - 2014
Cervical epidural injection (CEI) is widely performed on patients with intervertebral disc herniation. The aim of the present study was to investigate the short-term effects of CEI on non-invasive intraocular pressure (IOP) measurements in subjects with normal eyes. This prospective study enrolled 15 patients who were undergoing CEI at the ...
Siaudvytyte Lina L Eye Clinic, Lithuanian University of Health Sciences, Kaunas, - - 2014
Glaucoma is one of the leading causes of blindness worldwide. Historically, it has been considered an ocular disease primary caused by pathological intraocular pressure (IOP). Recently, researchers have emphasized intracranial pressure (ICP), as translaminar counter pressure against IOP may play a role in glaucoma development and progression. It remains controversial ...
Kim Yong Joon YJ Department of Ophthalmology, Soonchunhyang University College of Medicine, Soonchunhyang University Seoul Hospital , Seoul , Republic of - - 2014
Abstract Purpose: The purpose of this study was to measure the pressure difference between the anterior chamber (AC) and the vitreous cavity (VC) in eyes with and without pupillary block. Materials and methods: Seven vitrectomized porcine eyes were used. Infusion pressures of 10-80 mmHg were generated with a vented gas forced ...
Edwards Genea G Bascom Palmer Eye Institute, University of Miami School of Medicine, Miami, Florida, - - 2014
To identify the sphingolipid and ceramide species and their quantitative differences between normotensive and hypertensive intraocular pressure states in DBA/2J mouse aqueous humor (AH). Normotensive and hypertensive AH was sampled from mice by paracentesis. Lipid extraction was performed using modifications of the Bligh and Dyer method. Protein concentration was estimated ...
Boyer David S DS Retina-Vitreous Associates, Beverly Hills, California, - - 2014
To assess the rate of pegaptanib-associated sustained intraocular pressure (IOP) elevation. A posthoc analysis was conducted on all IOP measurements, except the immediate 30-min postinjection, from all subjects randomised to pegaptanib 0.3 mg or sham injections continuously in the first 2 years of the Vascular endothelial growth factor Inhibition Study in Ocular ...
Pautler Brent G BG Department of Chemistry, University of California, Davis, 1 Shields Ave, Davis, CA 95616 - - 2014
A non-magnetic piston-cylinder pressure cell is presented for solution-state NMR spectroscopy at geochemical pressures. The probe has been calibrated up to 20 kbar using in situ ruby fluorescence and allows for the measurement of pressure dependencies of a wide variety of NMR-active nuclei with as little as 10 μL of ...
Jonas Jost B JB Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China; Department of Ophthalmology, Medical Faculty Mannheim of the Ruprecht-Karls-University of Heidelberg, Mannheim, - - 2014
To examine whether an estimated trans-lamina cribrosa pressure difference (TLCPD) better than intraocular pressure (IOP) correlated with markers for glaucoma. The population-based Beijing Eye Study 2011 included 3468 individuals. Cerebrospinal fluid pressure (CSFP) was calculated as CSFP [mmHg] = 0.44 × Body Mass Index [kg/m(2) ] + 0.16 × Diastolic Blood Pressure [mmHg] - 0.18 × Age [Years] - 1.91. ...
Chua Jacqueline J Singapore Eye Research Institute, Singapore National Eye Centre, - - 2014
To determine the ethnic differences in the distribution of intraocular pressure (IOP) and central corneal thickness (CCT) in a multi-ethnic Asian population by self-reported ethnicity and genetic ancestry. Population-based, cross-sectional study. A total of 10 033 adults (3353 Chinese, 3280 Malays, and 3400 Indians) aged >40 years. Participants underwent standardized ...
Katz Adriana A Weizmann Institute of Science, - - 2014
In the ciliary epithelium of the eye the pigmented cells express the α1β1 isoform of Na,K-ATPase, while the non-pigmented cells express mainly the α2β3 isoform of Na,K-ATPase. In principle, a Na,K-ATPase inhibitor, with selectivity for α2 could effectively reduce intraocular pressure with only minimal local and systemic toxicity. Such an ...
Wang Lin L Devers Eye Institute, Legacy Research Institute , Portland, OR , - - 2014
Abstract Purpose: To test the hypothesis that blood flow autoregulation in the optic nerve head has less reserve to maintain normal blood flow in the face of blood pressure-induced ocular perfusion pressure decrease than a similar magnitude intraocular pressure-induced ocular perfusion pressure decrease. Materials and methods: Twelve normal non-human primates ...
Cheng Yung-Hsin YH Department and Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan; Department of Education and Research, Taipei City Hospital, Taipei, Taiwan. Electronic address: - - 2014
Glaucoma is an irreversible ocular disease that may lead to progressive visual field loss and eventually to blindness with inadequately controlled intraocular pressure (IOP). Latanoprost is one of the most potent ocular hypotensive compounds, the current first-line therapy in glaucoma. However, the daily instillation required for efficacy and undesirable side ...
López-Portillo Jorge J Red de Ecología Funcional, Instituto de Ecología, A. C., Carretera antigua a Coatepec 351 El Haya Xalapa 91070 Veracruz, - - 2014
• Premise of the study: Xylem sap osmolality and salinity is a critical unresolved issue in plant function with impacts on transport efficiency, pressure gradients, and living cell turgor pressure, especially for halophytes such as mangrove trees.• Methods: We collected successive xylem vessel sap samples from stems and shoots of ...
Shoji Takuhei T Department of Ophthalmology, Saitama Medical University, Iruma, Saitama, Japan; Department of Preventive Medicine and Public Health, National Defense Medical College, Tokorozawa, Saitama, Japan; - - 2014
We sought to investigate the association between blood pressure levels and prevalence of acquired color vision impairment in middle-aged Japanese men. Participants underwent color vision testing, ophthalmological examination, standardized interview, physical record examination, and venous blood examination. Cardiovascular disease risk factors were determined based on blood and physical examination results ...
Miyamae Naomu N Laboratory of Natural Products Chemistry, Faculty of Science, Kochi University, Akebono-cho, Kochi 780-8520, Japan. - - 2014
A highly diastereoselective and enantioselective method for the asymmetric desymmetrization of 4,4-disubstituted cyclohexadienones using the Michael addition reaction of malonates under catalysis with the primary amine-thiourea conjugate catalyst and PPY at high pressure was developed.
Fan Shan S Department of Ophthalmology and Visual Sciences, University of Nebraska Medical Center, Omaha, - - 2014
The effects of brimonidine on daytime and nighttime intraocular pressure (IOP) and aqueous humor dynamics were evaluated in volunteers with ocular hypertension (OHT). Thirty participants with OHT (58.6±1.7 years old, mean±SEM) were enrolled into this randomized, double-masked, cross-over study. For 6 weeks, participants self-administered 0.2% brimonidine or placebo 3 times ...
Piechal Bernard B Institute of High Pressure Physics, PAS, Sokolowska 29/37, 01-142 Warsaw, - - 2014
A modified gradient index (GRIN) lens is optimised for use in a liquid-type high pressure cell. It was found that high pressure changes the optical power of the gradient-index lenses by changing the index profile of the glass. In this paper, we present a modified GRIN lens in which these ...
Molloy Bonnie - - 2014
Elevated intraocular pressure (IOP) and venous congestion may produce a low ocular perfusion state that can lead to postoperative visual loss (POVL). The literature cites the importance of early IOP reduction to prevent optic nerve damage and visual loss. This study examined dorzolamide hydrochloride and timolol maleate (Cosopt) eyedrops on ...
Yung Edward E Department of Ophthalmology, SUNY Stony Brook, 33 Research Way, East Setauket, NY, 11733, USA, - - 2014
To review the existing technology for self-tonometry and evaluate methods for continuous monitoring of IOP currently undergoing development and clinical trials in humans. Glaucoma is one of the leading causes of blindness worldwide. Current glaucoma therapy is focused primarily on lowering intraocular pressures (IOP). Decisions to modify treatment regiments are ...
Zhao Di D Department of Epidemiology and Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University Bloomberg School of Public Health. Baltimore, Maryland, - - 2014
To conduct a systematic review and meta-analysis of the association between blood pressure levels and hypertension with primary open-angle glaucoma and intraocular pressure endpoints. Systematic review with quantitative meta-analysis. Studies were identified by searching the PubMed and EMBASE databases. Inverse-variance weighted random-effects models were used to summarize relative risks. Subgroup ...
Yavin Daniel D Departments of Clinical - - 2014
Object Because clinical examination and imaging may be unreliable indicators of intracranial hypertension, intraocular pressure (IOP) measurement has been proposed as a noninvasive method of diagnosis. The authors conducted a systematic review and meta-analysis to determine the correlation between IOP and intracranial pressure (ICP) and the diagnostic accuracy of IOP ...
Gomes Beatriz A F BA Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Federal Hospital of Bonsucesso, Rio de Janeiro, - - 2014
To investigate the accuracy of measuring intraocular pressure over a silicone hydrogel contact lens using Goldmann applanation tonometry in eyes with glaucoma. This was a prospective, randomized study and enrolled 28 patients (28 right eyes) with primary open angle glaucoma. Intraocular pressure was taken with and without a silicone hydrogel ...
Pillunat Karin R KR Department of Ophthalmology, Medical Faculty Carl Gustav Carus, Technische Universität, Dresden, - - 2014
To evaluate the central retinal venous pulsation pressure (CRVPP) in patients with intraocular pressure (IOP)-controlled early, moderate and advanced open-angle glaucoma and a healthy control group. CRVPP was measured with a contact lens dynamometer calibrated in mm Hg (Meditron GmbH, Voelklingen, Germany) in 34 patients with IOP-controlled open-angle glaucoma who ...
Wasyluk Jaromir T JT Department of Ophthalmology, Military Institute of Aviation Medicine, Warsaw, - - 2014
Selective laser trabeculoplasty (SLT) is applied to reduce intraocular pressure in primary open angle glaucoma therapy. It selectively subjects trabecular pigmented cells to a pulsed, frequency-doubled Nd:YAG laser. The biostimulatory effect on trabecular macrophages was also postulated even in low-pigmented angles. The aim of the study was to assess the ...
Aquino Maria Cecilia D MC Department of Ophthalmology, National University Hospital, National, University Health System, - - 2014
The aim of this study was to compare the efficacy and safety of micropulse and continuous-wave diode trans-scleral cyclophotocoagulation in refractory glaucoma. Randomised, comparative, exploratory study in a tertiary hospital setting PARTICIPANTS: Patients with refractory, end-stage glaucoma METHODS: 48 patients were randomised to either treatment. The intraocular pressure, visual acuity, ...
Görke Hanna H Institut für Physikalische Chemie, Universität zu Köln, Luxemburger Str. 116, 50939 Köln, - - 2014
Nucleation rates of n-propanol were investigated in the Laminar Flow Diffusion Chamber. Nucleation temperatures between 270 and 300 K and rates between 10(0) and 10(6) cm(-3) s(-1) were achieved. Since earlier measurements of n-butanol and n‑pentanol suggest a dependence of nucleation rates on carrier gas pressure, similar conditions were adjusted ...
Brosh K K Department of Ophthalmology, Shaare Zedek Medical Center, Jerusalem, - - 2014
ImportanceIt is well known that altitude ascent with intravitreal gas can cause expansion of gas and intraocular pressure (IOP) elevation. According to Boyle's law, the gas bubble will not expand unless a higher altitude than the gas insertion site has been reached. We report four cases in which intravitreal gas ...
Stine Jessica M JM BluePearl Veterinary Partners, Tampa, FL, 33614, - - 2014
Original study. To evaluate the effect of sedation with romifidine hydrochloride 1% (Sedivet: Boehringer-Ingelheim) on intraocular pressure (IOP) in the normal horse and horses with incidental ophthalmic findings as measured by applanation tonometry. Nineteen clinically normal horses (13 geldings, six mares) and eight horses (three geldings, five mares) with incidental ...
Marjanović Ivan - - 2014
Ocular blood flow (OBF) disturbances could be involved both in the pathogenesis and in progression of glaucomatous damage. The aim of the study was to compare the retrobulbar hemodynamic parameters in the ophthalmic artery (OA), central retinal artery (CRA) and short posterior cilliary arteries (SPCA) after decreasing the elevated intraocular ...
Sahinoglu-Keskek Nedime N Nedime Sahinoglu-Keskek, MD, Department of Ophthalmology, Numune Training and Research Hospital, Adana, - - 2014
The aim of this study was to investigate the association between intraocular pressure and metabolic syndrome by comparing central corneal thicknesses. One hundred sixty-two subjects were enrolled in this cross-sectional study, with 89 subjects in a metabolic syndrome group and 73 subjects in a control group. Ophthalmological examinations, including intraocular ...
Rocha-Sousa A A Department of Sense Organs, Faculty of Medicine, University of Porto, Porto, Portugal; Department of Ophthalmology, São João Hospital, Porto, - - 2014
Recent studies evidenced a decrease in ghrelin's aqueous humor levels in patients with glaucoma. The goal of our investigation was to study the effect of the ghrelin-GHSR-1a system in the modulation of intraocular pressure in acute ocular hypertension models and its expression and distribution in ocular tissues. Two animal models ...
Gao Peiwen - - 2014
Pressure-induced superconductivity is oberserved in Ca10(Pt3As8)(Fe2As2)5 by in situ high-pressure resistance and magnetic susceptibility measurements. Scaling of the pressure-induced and doping-induced superconductivity shows that the electronic phase diagrams of the pressurized and chemically doped 10–3–8 compound are similar in the moderate pressure and doping range but are disparate at higher ...
Clement Colin I CI Glaucoma Unit, Sydney Eye Hospital, Sydney, Australia; The University of Sydney, Sydney, Australia. Electronic address: - - 2014
The evidence in support of intraocular pressure (IOP) lowering to reduce risk of glaucoma onset or progression is strong, although the amount and quality of IOP reduction is less well defined. The concept of a target IOP includes a percentage reduction, calculated IOP, or a predetermined IOP figure or range. ...
Martín-Suárez Eva E Animal Medicine and Surgery, Córdoba University, Campus Universtario de Rabanales Crt Madrid-Cádiz km 396 Córdoba, Córdoba 14014, Spain (Martín-Suárez, Molleda C, Galán, Molleda J); Clincal Sciences, Concepción University, Concepción, Chile (Tardón); Ophthalmology Service, Reina Sofía Hospital, Córdoba, Spain - - 2014
Diurnal variations in central corneal thickness (CCT) and intraocular pressure (IOP) and their relationships were studied in healthy dogs. Central corneal thickness was measured by ultrasonic pachymetry and IOP by applanation tonometry in 16 beagle dogs. Measurements were taken every 90 min over 12 h (08:00 am to 08:00 pm). ...
Zode Gulab S - - 2014
Administration of glucocorticoids induces ocular hypertension in some patients. If untreated, these patients can develop a secondary glaucoma that resembles primary open-angle glaucoma (POAG). The underlying pathology of glucocorticoid-induced glaucoma is not fully understood, due in part to lack of an appropriate animal model. Here, we developed a murine model ...
Lindegger D J DJ University Hospital Zurich, Department of Ophthalmology, Zurich, Switzerland (Chair: Prof. Klara - - 2014
Background: The aim of this study was to report on the course and long-term effect of selective laser trabeculoplasty on intraocular pressure of pseudophakic patients suffering from open angle glaucoma or ocular hypertension with insufficient intraocular pressure lowering despite maximally tolerated topical and systemic intraocular pressure lowering medication. Patients and ...
Hirn C C Triemli Hospital Zurich, Eye Clinic, Zurich, Switzerland (Institution Chairman: Matthias - - 2014
Background: The aim of the study was to analyse the efficacy of selective laser trabeculoplasty in patients on medical therapy and to evaluate a possible influence of prostaglandin therapy on intraocular pressure reduction. Patients and Methods: A retrospective chart review was undertaken of patients with ocular hypertension or open angle ...
Park B-J BJ Department of Family Medicine, CHA University School of Medicine, Seoul, Republic of - - 2014
AimLeukoaraiosis and high intraocular pressure are strongly associated with cardiovascular disease, vascular angiopathy, and geriatric syndrome. Until now, little is known about the relationship between intraocular pressure and leukoaraiosis in its preclinical stage. The aim of this study was to evaluate the association between intraocular pressure and leukoaraiosis among middle-aged ...
de Oliveira Ana Paula Chaves AP Department of Ophthalmology, Irmandade da Santa Casa de Misericordia de Sao Paulo Central Hospital, Santa Casa de Sao Paulo School of Medical Sciences, Rua Sao Mauro, 292, São Paulo, SP, 02526-050, - - 2014
The aim of the study is to assess the correlation between ocular perfusion pressure (OPP) fluctuation and the severity of glaucoma. Forty-three patients with primary open-angle glaucoma (POAG) were enrolled in the study. All subjects had intraocular pressure (IOP) and blood pressure measured at three time points (7:00 a.m., 1:00 p.m. and ...
Ozkok Ahmet A Ophthalmology Department, Cerrahpasa School of Medicine, Istanbul University, Istanbul, Turkey, - - 2014
The objective of this study was to evaluate and compare the IOP values in the sitting and supine positions in primary open-angle glaucoma (POAG) and pseudoexfoliation glaucoma (PXG) patients. We also investigated possible relationships between the level of visual field damage and postural IOP change. Twenty-nine patients with POAG and ...
Borrego-Sanz L L Department of Ophthalmology, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, - - 2014
Purpose: To compare central corneal thickness (CCT) values obtained by Lenstar (LE), Pentacam (PC), specular microscopy (SM) and ultrasound pachymetry (UP) in healthy corneas and study their influence on intraocular pressure (IOP) readings determined by Goldmann applanation tonometry (GAT). Methods: CCT was measured in 76 healthy subjects by LE, PC, ...
Leidl Matthew C MC Nassau University Medical Center, East Meadow, New York, - - 2014
While mean intraocular pressure (IOP) has long been known to correlate with glaucomatous damage, the role of IOP fluctuation is less clearly defined. There is extensive evidence in the literature for and against the value of short-term and long-term IOP fluctuation in the evaluation and prognosis of patients with glaucoma. ...
Asejczyk-Widlicka Magdalena - - 2014
To evaluate the clinical utility of spectral analysis of intraocular pressure pulse wave in healthy eyes of a control group (CG), patients having glaucomatous optic disc appearance or ocular hypertension, and patients with primary open angle glaucoma or primary angle closure glaucoma. This is a prospective study that enrolled 296 ...
Li Guorong G Department of Ophthalmology, Duke University, Durham, North Carolina, United - - 2014
The goal was to assess effects of IOP and pilocarpine-induced ciliary muscle contraction on conventional outflow pathway tissues in living anesthetized mice. Intraocular pressure was controlled by intracameral cannulation of mouse eyes while imaging using spectral-domain optical coherence tomography (SD-OCT). Time-lapse sagittal SD-OCT sections through Schlemm's canal (SC) were acquired ...
Kitamura Kazuyoshi K Departments of *Ophthalmology †Health Sciences, Faculty of Medicine, University of Yamanashi, Chuo ‡Yamanashi Koseiren Health Care Center, Kofu, - - 2014
To investigate the changes in intraocular pressure (IOP) and associated factors over 10 years in subjects who participated in health examinations in 1999 and 2008. Subjects with no clear history of ocular disease and who participated in health examinations at Yamanashi Koseiren Health Care Center, Japan, in 1999 and 2008 ...
Jayson Stephanie - - 2014
A wild young adult western screech owl (Megascops kennicottii) of unknown sex was presented for evaluation of an abnormal left eye (OS). Ophthalmic examination OS revealed raised intraocular pressure (37 mm Hg; reference interval 7-16 mm Hg), mydriasis, conjunctival and episcleral hyperemia, shallow anterior chamber due to anterior displacement of ...
Hays Cassandra L CL Department of Ophthalmology and Visual Sciences, University of Nebraska Medical Center, Omaha, - - 2014
To determine improvement in outflow facility (C) in human anterior segments implanted with a novel Schlemm's canal scaffold or two trabecular micro-bypasses. Human anterior segments were isolated from 12 pairs of eyes from donors with no history of ocular disease and then perfused at 50, 40, 30, 20, and 10 ...
1 2 3 4 5 6 7 8 9 10 >