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https://www.readbyqxmd.com/read/29145576/different-filling-patterns-of-the-choriocapillaris-in-fluorescein-and-indocyanine-green-angiography-in-primate-eyes-under-elevated-intraocular-pressure
#1
Naoto Hanyuda, Hideo Akiyama, Yukitoshi Shimoda, Ryo Mukai, Morihiko Sano, Yoichiro Shinohara, Shoji Kishi
Purpose: To investigate the hemodynamics of the choriocapillaris in primate eyes under elevated intraocular pressure. Methods: Indocyanine green angiography (ICGA) and fluorescein angiography (FA) were performed in two monkeys after elevation of the intraocular pressure (IOP) to 35 and 60 mm Hg. Results: ICGA and FA showed no perfusion delays in the choriocapillaris at 35 mm Hg. The slow dye filling at 60 mm Hg made it possible to observe the early phase angiography sequence...
November 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29144869/ocular-redness-measured-with-the-keratograph-5m-in-patients-using-anti-glaucoma-eye-drops
#2
Francisco Pérez Bartolomé, Jose María Martínez de la Casa, Pedro Arriola Villalobos, Cristina Fernández Pérez, Vicente Polo, Ruben Sánchez Jean, Julián García Feijoó
PURPOSE: To examine correlations between ocular redness measured with the new topographer Keratograph 5M and the use of topical anti-glaucoma medication. METHODS: A total of 211 eyes of 211 patients with open-angle glaucoma or ocular hypertension on topical medication and 51 eyes of 51 healthy volunteers were recruited over 10 months. Outcome variables were keratograph redness scores (RS): overall, bulbar temporal (BT), bulbar nasal (BN), limbar temporal (LT), and limbar nasal (LN)...
November 16, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29144827/management-of-delayed-suprachoroidal-hemorrhage-after-glaucoma-surgery
#3
Daniel Learned, Dean Eliott
PURPOSE: To review the most current treatment recommendations and outcomes for delayed suprachoroidal hemorrhages. METHODS: Article review of management and outcomes of suprachoroidal hemorrhages, with emphasis on delayed suprachoroidal hemorrhages in the setting of glaucoma surgery. CONCLUSION: Time of drainage of suprachoroidal hemorrhages remains controversial. Earlier drainage should be considered with high intraocular pressure, expulsion of intraocular content, or retinal detachment...
November 16, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29144028/efficacy-and-safety-of-different-regimens-for-primary-open-angle-glaucoma-or-ocular-hypertension-a-systematic-review-and-network-meta-analysis
#4
Fei Li, Wenbin Huang, Xiulan Zhang
PURPOSE: To assess the efficacy and safety of different regimens, including monotherapy and double therapy, for primary open-angle glaucoma (POAG) or ocular hypertension. METHODS: We searched PubMed, EMBASE and clinicaltrials.gov for studies that fit our inclusion criteria in this network meta-analysis. Randomized controlled trials that report data on efficacy and safety of medications for POAG or ocular hypertension are included. Data on intra-ocular pressure (IOP) lowering effect and incidence of adverse events including hyperaemia and ocular discomfort were extracted and used in mixed-comparison analysis...
November 16, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29141392/-the-progress-of-studies-on-aqueous-humor-dynamics-abnormality-induced-by-trabecular-meshwork-and-schlemm-canal-endothelial-cell-senescence-and-its-relation-with-glaucoma
#5
M M Song, Y Lei, J H Wu, X H Sun
Glaucoma is the second leading cause of blindness in the world next to cataract. Aging is a strong risk factor leading to elevated intraocular pressure (IOP). IOP is associated with aqueous humor circulation. Trabecular meshwork cells and Schlemm canal endothelial cells, which form the conventional outflow pathway, play an important role in maintaining the IOP. Cell senescence induces abnormalities of the aqueous humor dynamics, leading to elevated IOP. Trabecular meshwork cells cause increased intrinsic stiffness, autophagy dysfunction, abnormal expression of microRNA and mitochondrial dysfunction with senescence...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29141391/-research-updates-on-glaucoma-after-congenital-cataract-surgery
#6
M R Yu, Y Luo
Postoperative glaucoma is one of the most common complications after congenital cataract surgery and an important cause of unsatisfactory long-term visual acuity rehabilitation. Recently, the diagnostic criteria of glaucoma after congenital cataract surgery have been gradually complemented; the measurement of intraocular pressure is improved and the follow-up is standardized. The risk factors of glaucoma after congenital cataract surgery include age at surgery, ocular abnormalities and central corneal thickness, some of which still remain controversial...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29141390/-the-clinical-analysis-of-corneal-interface-fluid-syndrome-after-laser-lamellar-corneal-refractive-surgery
#7
K J Lin, J Chen, W Lin, X D Lin, Y M Zhou, L D Zheng, Y Tong
Objective: To analysis, the clinical characteristics, refractive changes, and clinical treatment of interface fluid syndrome after laser lamellar corneal refractive surgery. Methods: During Dec. 2010 to Apr. 2016. In total 6 cases(9 eyes), 3 cases were bilateral, 3 cases were unilateral. Five patients were male and 1 was female. The age of the patients ranged from 20 to 29 years was (24.83±4.02) years. Six cases(9 eyes)of IFS were diagnosed at our hospital. The history and complete ophthalmic examination that include Slit-lamp examination, Slit-lamp photography, refraction, corneal thickness measurement, corneal endothelial cell counting, IOP, anterior segment OCT(AS-OCT), exams were recorded...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29140818/drop-instillation-and-glaucoma
#8
Scott A Davis, Betsy Sleath, Delesha M Carpenter, Susan J Blalock, Kelly W Muir, Donald L Budenz
PURPOSE OF REVIEW: To describe the current state of knowledge regarding glaucoma patients' eye drop technique, interventions attempting to improve eye drop technique, and methods for assessing eye drop technique. RECENT FINDINGS: In observational studies, between 18.2 and 80% of patients contaminate their eye drop bottle by touching their eye or face, 11.3-60.6% do not instill exactly one drop, and 6.8-37.3% miss the eye with the drop. Factors significantly associated with poorer technique include older age, lack of instruction on eye drop technique, female sex, arthritis, more severe visual field defect, lack of positive reinforcement to take eye drops, lower educational level, low self-efficacy, and being seen at a clinic rather than a private practice...
November 14, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/29137026/implantation-of-artificialiris-a-customflex-irisprosthesis-in-a-trauma-patient-with-an-artisan-lens-a-case-report-and-review
#9
Farideh Doroodgar, Mahmoud Jabbarvand, Feizollah Niazi, Sana Niazi, Azad Sanginabadi
PURPOSE: To evaluate probable complications of ArtificialIris implantation with iris fixated intraocular lens. METHOD: Development of photophobia, glare, and psychological strain during face-to-face communication in a 23-year-old man with a widespread traumatic iris defect terminate to make a decision for performing implantation of an ArtificialIris (Humanoptics, Erlangen, Germany) under the remnant iris without removing the patient's existing Artisan lens. RESULTS: Without any intraoperative or postoperative complications, the patient's visual acuity increased by 1 line, the endothelial cell loss was comparable with the cell loss associated with standard cataract surgery, and the anterior-chamber depth and anterior-chamber anatomy did not change...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136327/long-term-follow-up-after-implantation-of-a-telemetric-intraocular-pressure-sensor-in-patients-with-glaucoma-a-safety-report
#10
Antonis Koutsonas, Peter Walter, Gernot Roessler, Niklas Plange
IMPORTANCE: To investigate the long-term safety of a novel intraocular telemetric pressure sensor. BACKGROUND: Acquisition of accurate intraocular pressure (IOP) data is vital for sufficient medical care of glaucoma patients. Non-invasive self-tonometry with a telemetric IOP sensor can provide important information regarding the individual IOP profile. DESIGN: Retrospective analysis of long-term follow-up data assessed during outpatient visits in a university hospital...
November 14, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/29135941/the-small-heat-shock-protein-%C3%AE-crystallin-b-shows-neuroprotective-properties-in-a-glaucoma-animal-model
#11
Fabian Anders, Aiwei Liu, Carolina Mann, Julia Teister, Jasmin Lauzi, Solon Thanos, Franz H Grus, Norbert Pfeiffer, Verena Prokosch
Glaucoma is a neurodegenerative disease that leads to irreversible retinal ganglion cell (RGC) loss and is one of the main causes of blindness worldwide. The pathogenesis of glaucoma remains unclear, and novel approaches for neuroprotective treatments are urgently needed. Previous studies have revealed significant down-regulation of α-crystallin B as an initial reaction to elevated intraocular pressure (IOP), followed by a clear but delayed up-regulation, suggesting that this small heat-shock protein plays a pathophysiological role in the disease...
November 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29135812/optic-nerve-head-drusen-the-relationship-between-intraocular-pressure-and-optic-nerve-structure-and-function
#12
Kaitlyn W Nolan, Michael S Lee, Rohan A Jalalizadeh, Kevin C Firl, Gregory P Van Stavern, Collin M McClelland
OBJECTIVE: To determine whether at the time of diagnosis, the intraocular pressure (IOP) in patients with optic nerve head drusen (ONHD) correlates with the perimetric mean deviation (PMD) and the mean retinal nerve fiber layer (RNFL) thickness on optical coherence tomography (OCT). METHODS: This retrospective chart review included adults with ONHD from 2 academic medical centers. Inclusion criteria were age older than 18 years, definitive diagnosis of ONHD, measurement of IOP, and an automated visual field (VF) within 3 months of diagnosis...
November 9, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/29135719/corneal-biomechanical-properties-in-high-myopia-measured-by-dynamic-scheimpflug-imaging-technology
#13
Miao He, Wei Wang, Hui Ding, Xingwu Zhong
SIGNIFICANCE: The cornea is a viscoelastic tissue with viscous and elastic properties. The information of corneal biomechanical changes in high myopia has implications for understanding the pathogenesis of high myopia and primary open angle glaucoma. However, the knowledge of corneal biomechanics in high myopia is limited. PURPOSE: To compare the corneal biomechanical properties in high-myopia subjects and emmetropia subjects. METHODS: Dynamic Scheimpflug imaging technology was used to measure intraocular pressure, central corneal thickness, and corneal biomechanical parameters, including time at the first applanation, velocity at the first applanation, length at the first applanation, deformation amplitude at the first applanation, time at the second applanation, A2V (velocity at the second applanation), length at the second applanation (A2L), deformation amplitude at the second applanation, time at the highest concavity, radius curvature at the highest concavity (HCR), maximal deformation amplitude (MDA), and peak distance...
November 10, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29135604/chemical-burns-of-the-eye-the-role-of-retinal-injury-and-new-therapeutic-possibilities
#14
Claes H Dohlman, Fabiano Cade, Caio V Regatieri, Chengxin Zhou, Fengyang Lei, Alja Crnej, Mona Harissi-Dagher, Marie-Claude Robert, George N Papaliodis, Dongfeng Chen, James V Aquavella, Esen K Akpek, Anthony J Aldave, Kimberly C Sippel, Donald J DʼAmico, Jan G Dohlman, Per Fagerholm, Liqiang Wang, Lucy Q Shen, Miguel González-Andrades, James Chodosh, Kenneth R Kenyon, C Stephen Foster, Roberto Pineda, Samir Melki, Kathryn A Colby, Joseph B Ciolino, Demetrios G Vavvas, Shigeru Kinoshita, Reza Dana, Eleftherios I Paschalis
PURPOSE: To propose a new treatment paradigm for chemical burns to the eye - in the acute and chronic phases. METHODS: Recent laboratory and clinical data on the biology and treatment of chemical burns are analyzed. RESULTS: Corneal blindness from chemical burns can now be successfully treated with a keratoprosthesis, on immediate and intermediate bases. Long term outcomes, however, are hampered by early retinal damage causing glaucoma. New data suggest that rapid diffusion of inflammatory cytokines posteriorly (TNF-α, etc) can severely damage the ganglion cells...
November 9, 2017: Cornea
https://www.readbyqxmd.com/read/29135355/changes-in-ocular-hemodynamics-after-carotid-artery-angioplasty-and-stenting-caas-in-patients-with-different-severity-of-ocular-ischemic-syndrome
#15
Feiyan Ma, Jing Su, Qingli Shang, Jingxue Ma, Tongdi Zhang, Xin Wang, Honglei Ma, Jianghua Yu
PURPOSE: To evaluate the effects of carotid artery angioplasty and stenting (CAAS) on patients who were diagnosed with ocular ischemic syndrome (OIS). METHODS: Sixty-four eyes of 64 OIS patients with ipsilateral internal carotid artery stenosis ≥70% were included in the study. The study eyes were divided into two groups according to the presence of iris neovascularization: NVI-absent group and NVI-present group, with 32 eyes, respectively. All patients received ocular treatment modality according to the presence of non-perfusion area (pan-retinal photocoagulation) and intraocular pressure (medical treatment included timolol maleate eye drops combined with brinzolamide eye drop; trabeculectomy and cyclophotocoagulation)...
November 14, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29133761/reduction-on-off-responses-of-electroretinogram-in-monkeys-with-long-term-high-intraocular-pressure
#16
Ke-Gao Liu, Xiao-Yan Peng, Zheng Zhang, Hua Sun, Di-Ya Yang, Ning-Li Wang
BACKGROUND: There are ON- and OFF-pathways in the normal vertebrate retina. Short- and long-flash electroretinogram (ERG) are suitable methods to observe the function of ON- and OFF-pathways in vivo, respectively. It is clear that high intraocular pressure (IOP) might cause dysfunction of cone-dominated photopic negative response (PhNR) in monkeys with high IOP in ON-pathway. However, whether cone-dominated OFF-responses are also affected is less known. The aim of this study was to observe photopic OFF-responses of ERG in monkeys with high IOP...
November 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29133641/simultaneous-use-of-amniotic-membrane-and-mitomycin-c-in-trabeculectomy-for-primary-glaucoma
#17
Usha Yadava, Kirti Jaisingh, Sonal Dangda, Prolima Thacker, Kirti Singh, Yashpal Goel
PURPOSE: This study aimed to propose the role of amniotic membrane transplantation (AMT) as an additional modulator in primary Mitomycin C (MMC)-augmented trabeculectomy. METHODS: This was a randomized prospective interventional study. Forty eyes of 39 adult patients with uncontrolled primary glaucoma were randomly divided into two equal groups. Control group underwent trabeculectomy augmented with MMC while the study group underwent additional AMT. Patients were followed up for 12 months and outcomes measured were intraocular pressure (IOP), need for additional intervention, and bleb morphology...
November 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29132913/beta2-adrenergic-receptor-silencing-change-intraocular-pressure-in-new-zealand-rabbits
#18
Patricia Loma, Ana Guzman-Aranguez, Maria J Perez de Lara, Jesus Pintor
PURPOSE/AIM: Glaucoma consists of a group of progressive optic neuropathies that are characterized by degeneration of the optic nerve and irreversible visual filed loss. Elevated intraocular pressure is the only proven treatable risk factor and commercial products used for glaucoma treatment are focused in lowering intraocular pressure. These drugs can have various undesirable side effects and this invites to look for new strategies. The purpose of this work is to study the use of a siRNA (small interfering RNA) to selectively silence beta2 adrenergic receptors and to see whether it reduces IOP (intraocular pressure)...
November 10, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/29131240/mirtogenol%C3%A2-supplementation-in-association-with-dorzolamide-timolol-or-latanoprost-improves-the-retinal-microcirculation-in-asymptomatic-patients-with-increased-ocular-pressure
#19
C Gizzi, P Torino-Rodriguez, G Belcaro, S Hu, M Hosoi, B Feragalli
OBJECTIVE: Supplementation with Mirtogenol® improves the retinal microcirculation and reduces intraocular pressure (IOP) in ocular hypertension, when administrated either alone or in association with an ophthalmic solution (latanoprost). In this study, microcirculatory parameters (perfusion of the circle of Zinn-Haller and retinal circulation) and oxidative stress were tested to assess the effects of Mirtogenol® plus traditional antihypertensive drugs in patients with elevated IOP. PATIENTS AND METHODS: 88 otherwise healthy patients with increased IOP were followed-up in a supplement registry for 12 weeks...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29130529/anterior-segment-morphology-after-laser-iridotomy-in-primary-angle-closure-suspects
#20
Tarannum Mansoori, Nagalla Balakrishna
PURPOSE: To evaluate and compare the changes in anterior segment parameters in primary angle closure suspects before and after laser peripheral iridotomy and intrasession repeatability of measurements before laser iridotomy as assessed by Scheimpflug-Placido disc topographer. METHODS: Before laser iridotomy, 56 eyes of 56 primary angle closure suspect patients underwent anterior segment analysis with the Sirius Scheimpflug-Placido disc topographer system using glaucoma analysis mode, which was repeated a week after iridotomy...
November 12, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
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