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Ocular hypertension

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https://www.readbyqxmd.com/read/28542663/-periorbital-pallor-post-application-of-mydriatic-in-infants-with-hydrocephalus-associated-to-systemic-effects
#1
Jorge Luis Alvarado Socarras, Sandra Consuelo Rodríguez
Adequate pupil dilation is needed to evaluate some neonates at risk of developing illness during this stage. However, this procedure is not free of adverse effects, either local or systemic. One of these complications is the local vasoconstriction of the preterm baby’s skin following the application of mydriatic eye drops. OBJECTIVE: To describe secondary local and systemic complications of pharmacological pupil dilation in 2 newborns. Clinical case 1: Full term baby with diagnosis of low-birth weight and hydrocephalia...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28542536/comparison-of-matrix-frequency-doubling-technology-perimetry-and-standard-automated-perimetry-in-monitoring-the-development-of-visual-field-defects-for-glaucoma-suspect-eyes
#2
Rongrong Hu, Chenkun Wang, Lyne Racette
BACKGROUND: Perimetry is indispensable for the clinical management of glaucoma suspects. Our goal is to compare the performance of standard automated perimetry (SAP) and Matrix frequency-doubling technology (FDT) perimetry in monitoring the development of visual field (VF) defects in glaucoma suspect eyes. METHODS: Longitudinal data of paired SAP and FDT from 221 eyes of 155 glaucoma suspects enrolled in the Diagnostic Innovations in Glaucoma Study or the African Descent and Glaucoma Evaluation Study were included...
2017: PloS One
https://www.readbyqxmd.com/read/28540083/additive-intraocular-pressure-lowering-effects-of-ripasudil-with-glaucoma-therapeutic-agents-in-rabbits-and-monkeys
#3
Yoshio Kaneko, Masayuki Ohta, Tomoyuki Isobe, Yuto Nakamura, Ken Mizuno
Ripasudil hydrochloride hydrate (K-115), a specific Rho-associated coiled-coil containing protein kinase (ROCK) inhibitor, is developed for the treatment of glaucoma and ocular hypertension. Topical administration of ripasudil decreases intraocular pressure (IOP) by increasing conventional outflow through the trabeculae to Schlemm's canal, which is different from existing agents that suppress aqueous humor production or promote uveoscleral outflow. In this study, we demonstrated that ripasudil significantly lowered IOP in combined regimens with other glaucoma therapeutic agents in rabbits and monkeys...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28540004/the-association-of-central-corneal-thickness-with-ocular-and-general-parameters-in-a-community-setting-the-yazd-eye-study
#4
Reza Soleimanizad, Mohammad Hosein Nowroozzadeh, Hossein Ziaei, Mohammad Pakravan, Mehdi Yaseri, Marzieh Katibeh
PURPOSE: To assess central corneal thickness (CCT) and its associations in an adult Iranian population. METHODS: This was a population-based cross-sectional study of adults aged 40-80 years. Eyes with corneal disorders, previous ocular surgery, or trauma were excluded. All subjects underwent complete ophthalmic examination, general health assessment, laboratory tests, and a detailed interview. CCT was measured with an ultrasonic pachymeter. Intraocular pressure (IOP) was measured with Goldmann applanation tonometry...
April 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28526237/small-molecule-inhibition-of-wnt-signaling-abrogates-dexamethasone-induced-phenotype-of-primary-human-trabecular-meshwork-cells
#5
Sarah D Ahadome, Chi Zhang, Elizabeth Tannous, James Shen, Jie J Zheng
Trabecular meshwork (TM) cells are the governing regulators of the TM structure. When the functionality of these cells is impaired, the structure of the TM is perturbed, which often results in increased ocular hypertension. High intraocular pressure is the most significant risk factor for steroid-induced glaucoma. Dexamethasone (Dex) induced phenotype of TM cells is widely utilized as a model system to gain insight into mechanisms underlying damaged TM in glaucoma. In this study, to assess the possible role of the abnormal Wnt signaling in steroid-induced glaucoma, we analyzed the effects of small-molecule Wnt signaling modulators on Dex-induced expression extracellular matrix proteins of primary human TM cells...
May 16, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28524151/-etiopathogenesis-of-ocular-ischemic-syndrome
#6
D К Makhkamova
Ocular ischemic syndrome (OIS) is a collection of symptoms of carotid and ophthalmic artery disease of common genesis accompanied by ischemia of eyeball membranes. Specifically, the intraocular blood flow becomes impaired due to inflow reduction or arrest, while the venous outflow remains patent. Causes of OIS include arterial hypertension, atherosclerosis, diabetes, aortoarteritis and other vascular diseases. Clinical features depend on the extent, nature, and site of vascular involvement as well as the concurrent pathology...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28524139/-ocular-hypotensive-effect-of-systemic-beta-blockers-in-patients-with-primary-glaucoma-and-arterial-hypertension
#7
A L Onishchenko, A V Kolbasko, A V Zakharova, E G Onishchenko, N M Zhilina
AIM: to evaluate the ocular hypotensive efficacy of systemic beta-blockers in primary glaucoma patients suffering from arterial hypertension (AH). MATERIAL AND METHODS: The study included 29 patients with POAG (58 eyes) aged from 47 to 83 years. Patients with stage I-III POAG received instillations of prostaglandin analogs and carbonic anhydrase inhibitors. All POAG patients also suffered from arterial hypertension and were prescribed selective beta-blockers (metoprolol, bisoprolol, or nebivalol) as monotherapy or as part of combination therapy (if the target arterial pressure had not been achieved under the initial treatment)...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28524138/-cortisol-levels-in-plasma-and-aqueous-humour-of-patients-with-steroid-induced-and-other-glaucomas
#8
E M Kasimov, F A Aghaeva
The paper describes the role of endogenous glucocorticoids in the pathogenesis of open-angle glaucoma. As to steroid-induced glaucoma (SG), however, indicators of systemic and local cortisol metabolism are yet underinvestigated. Aim - to determine and compare systemic (plasma) and local (aqueous humour) cortisol concentrations in patients with SG and other types of glaucoma (OTG). MATERIAL AND METHODS: A prospective analysis was conducted in 64 patients who underwent plasma and aqueous humor sampling...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28522972/recent-advances-in-the-study-of-bipolar-rod-shaped-microglia-and-their-roles-in-neurodegeneration
#9
Ngan Pan Bennett Au, Chi Him Eddie Ma
Microglia are the resident immune cells of the central nervous system (CNS) and they contribute to primary inflammatory responses following CNS injuries. The morphology of microglia is closely associated with their functional activities. Most previous research efforts have attempted to delineate the role of ramified and amoeboid microglia in the pathogenesis of neurodegenerative diseases. In addition to ramified and amoeboid microglia, bipolar/rod-shaped microglia were first described by Franz Nissl in 1899 and their presence in the brain was closely associated with the pathology of infectious diseases and sleeping disorders...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28510772/prevalence-incidence-and-risk-factors-for-the-development-of-glaucoma-in-patients-with-aniridia
#10
Shantha Balekudaru, Nandhini Sankaranarayanan, Sumita Agarkar
PURPOSE: To assess the prevalence, incidence, and risk factors for the development of glaucoma in patients with aniridia. METHODS: Retrospective analysis of case records of patients diagnosed as having congenital aniridia between January 1986 and December 2011 was performed. Patients with a follow-up of more than 12 months were included. RESULTS: Ninety-one patients (180 eyes) with the diagnosis of aniridia were identified from the case records...
May 15, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28507362/visual-outcome-of-retinal-vein-occlusion-in-patients-residing-at-high-altitude
#11
Ahsan Mukhtar, Muhammad Saim Khan, Asad Habib, Mazhar Ishaq, Omer Farooq
OBJECTIVE: To study visual outcome in patients of high altitude retinopathy presenting with retinal venous occlusion. METHODS: The randomised clinical trial study was conducted at the Armed Forces Institute of Ophthalmology, Rawalpindi, Pakistan, from January 2013 to December 2015, and comprised eyes of lowlanders. Patients staying at high altitude (>8,000 feet above sea level) as part of their service duty and presented with retinal venous occlusive disease were included...
May 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28503434/comparison-of-isolated-check-visual-evoked-potential-and-standard-automated-perimetry-in-early-glaucoma-and-high-risk-ocular-hypertension
#12
Xiang-Wu Chen, Ying-Xi Zhao
AIM: To compare the diagnostic performance of isolated-check visual evoked potential (icVEP) and standard automated perimetry (SAP), for evaluating the application values of icVEP in the detection of early glaucoma. METHODS: Totally 144 subjects (288 eyes) were enrolled in this study. icVEP testing was performed with the Neucodia visual electrophysiological diagnostic system. A 15% positive-contrast (bright) condition pattern was used in this device to differentiate between glaucoma patients and healthy control subjects...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28503433/selective-laser-trabeculoplasty-in-pseudophakic-and-phakic-eyes-a-prospective-study
#13
Myrjam De Keyser, Maya De Belder, Veva De Groot
AIM: To compare the efficacy of selective laser trabeculoplasty (SLT) in replacing medical therapy in pseudophakic and phakic eyes. METHODS: Subgroup of a prospective randomized clinical trial including patients with primary open angle glaucoma or ocular hypertension controlled with medication. Of 38 pseudophakic eyes were matched with 38 phakic eyes. SLT was offered as a way to decrease medication while maintaining the same low eye pressure. SLT was performed over 360°, at 3ns, spotsize 400 µm, 100 spots...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28502035/prospective-observational-post-marketing-study-of-tafluprost-for-glaucoma-and-ocular-hypertension-effectiveness-and-treatment-persistence
#14
Yasuaki Kuwayama, Masako Hashimoto, Reiko Kakegawa, Akio Nomura, Fumiki Shimada
INTRODUCTION: The aim of this study was to investigate the long-term intraocular pressure (IOP)-lowering effect and safety of tafluprost, a prostaglandin analogue, in actual clinical practice and to determine persistency of tafluprost as an indicator of its benefit-risk balance. METHODS: This was a large-scale, post-marketing, multicenter, non-interventional, open-label, long-term study. Patients with glaucoma or ocular hypertension who initiated tafluprost treatment were registered and prospectively observed over a 2-year period in the real-world setting in Japan...
May 13, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28501443/meibomian-gland-dysfunction-and-its-determinants-in-iranian-adults-a-population-based-study
#15
Hassan Hashemi, Hadith Rastad, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: To estimate the prevalence of Meibomian gland dysfunction (MGD) and determine the associated factors in the general population in Iran. METHODS: This cross-sectional study is based on the data from the second phase of the Shahroud Eye Cohort Study conducted in 2014. Of the 4737 participants of the second phase, data was available for 4700 people; their mean age was 55.9±6.2 years and 2768 (58.9%) were women. Diagnosis of MGD was made based on the classification of the International Workshop on MGD as judged by the examining ophthalmologist...
May 10, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28499984/systemic-pten-akt1-mtor-pathway-activity-in-patients-with-normal-tension-glaucoma-and-ocular-hypertension-a-case-series
#16
Gerassimos Lascaratos, Kai-Yin Chau, Haogang Zhu, Despoina Gkotsi, Deborah Kamal, Ivan Gout, Philip J Luthert, Anthony H V Schapira, David F Garway-Heath
Glaucoma is the most common optic neuropathy in humans and the leading cause of irreversible blindness worldwide. Its prevalence and incidence increase exponentially with ageing and raised intraocular pressure (IOP), while increasing evidence suggests that systemic mitochondrial abnormalities may also be implicated in its pathogenesis. We have recently shown that patients who have not developed glaucoma despite being exposed for many years to high IOP (ocular hypertension - OHT) have more efficient mitochondria, measured in peripheral blood lymphocytes, when compared to age-similar controls and fast progressing normal tension glaucoma (NTG) patients...
May 9, 2017: Mitochondrion
https://www.readbyqxmd.com/read/28498493/involvement-of-microglia-in-early-axoglial-alterations-of-the-optic-nerve-induced-by-experimental-glaucoma
#17
Melina P Bordone, María F González Fleitas, Laura A Pasquini, Alejandra Bosco, Pablo H Sande, Ruth E Rosenstein, Damián Dorfman
Glaucoma is a leading cause of blindness, characterized by retinal ganglion cell (RGC) loss and optic nerve (ON) damage. Cumulative evidence suggests glial cell involvement in the degeneration of the ON and RGCs. We analyzed the contribution of microglial reactivity to early axoglial alterations of the ON in an induced model of ocular hypertension. For this purpose, vehicle or chondroitin sulfate (CS) were weekly injected into the eye anterior chamber from Wistar rats for different intervals. The amount of Brn3a(+) RGC significantly decreased in CS-injected eyes for 10 and 15 (but not 6) weeks...
May 12, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28497458/ocular-surface-disease-in-patients-under-topical-treatment-for-glaucoma
#18
Francisco Pérez-Bartolomé, Jose M Martínez-de-la-Casa, Pedro Arriola-Villalobos, Cristina Fernández-Pérez, Vicente Polo, Julián García-Feijoó
PURPOSE: To examine the relationship between ocular surface disease (OSD) and topical antiglaucoma therapy. METHODS: A total of 211 eyes of 211 patients with open-angle glaucoma or ocular hypertension on topical medication were recruited over 10 months. Controls were 51 eyes of 51 healthy age- and sex-matched volunteers. In each patient, we recorded the intraocular pressure-lowering eyedrops used, the number of medications used, and daily and cumulative preservative concentrations (PC)...
May 10, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28494060/%C3%AE-zone-parapapillary-atrophy-and-rates-of-glaucomatous-visual-field-progression-african-descent-and-glaucoma-evaluation-study
#19
C Gustavo De Moraes, James T Murphy, Chad M Kaplan, Jeremy J Reimann, Alon Skaat, Dana M Blumberg, Lama Al-Aswad, George A Cioffi, Christopher A Girkin, Felipe A Medeiros, Robert N Weinreb, Linda Zangwill, Jeffrey M Liebmann
Importance: β-zone parapapillary atrophy (βPPA) has been reported as a risk factor for glaucoma onset and progression. Previous studies have shown that the prevalence of βPPA differs between individuals of African descent (AD) and European descent (ED). Objective: To test whether the association between the presence and progression of βPPA vs visual field progression of glaucoma differs between these 2 ancestry groups. Design, Setting, and Participants: In a prospective, multicenter, longitudinal cohort study, 634 individuals (1090 eyes) enrolled in the African Descent and Evaluation Study (ADAGES) with a diagnosis of glaucomatous optic neuropathy (GON) or ocular hypertension (OHT) and at least 2 disc stereophotographs were included...
May 11, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28492433/combined-pars-plana-vitrectomy-and-scleral-fixation-of-an-intraocular-lens-using-gore-tex-suture-one-year-outcomes
#20
M Ali Khan, Wasim A Samara, Adam T Gerstenblith, Allen Chiang, Sonia Mehta, Sunir J Garg, Jason Hsu, Omesh P Gupta
PURPOSE: To report the 1-year clinical outcomes of combined pars plana vitrectomy and ab externo scleral fixation of an intraocular lens using Gore-Tex suture. METHODS: Retrospective, interventional case series. Outcome measures were change in visual acuity and occurrence of intraoperative and postoperative complications with minimum follow-up of 1 year. RESULTS: Eighty-four eyes of 83 patients were identified. The mean best available visual acuity improved from 20/782 preoperatively to 20/65 postoperatively (P < 0...
May 10, 2017: Retina
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