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https://www.readbyqxmd.com/read/28742142/effects-of-water-drinking-test-on-ocular-blood-flow-waveform-parameters-a-laser-speckle-flowgraphy-study
#1
Mehwish Saba Bhatti, Tong Boon Tang, Augustinus Laude
The water-drinking test (WDT) is a provocative test used in glaucoma research to assess the effects of elevated intraocular pressure (IOP). Defective autoregulation due to changes in perfusion pressure may play a role in the pathophysiology of several ocular diseases. This study aims to examine the effects of WDT on ocular blood flow (in the form of pulse waveform parameters obtained using laser speckle flowgraphy) to gain insight into the physiology of ocular blood flow and its autoregulation in healthy individuals...
2017: PloS One
https://www.readbyqxmd.com/read/28740733/when-is-evidence-enough-evidence-a-systematic-review-and-meta-analysis-of-the-trabectome-as-a-solo-procedure-in-patients-with-primary-open-angle-glaucoma
#2
REVIEW
Jeffrey T Y Chow, Cindy M L Hutnik, Karla Solo, Monali S Malvankar-Mehta
The purpose of this systematic review and meta-analysis was to examine the availability of evidence for one of the earliest available minimally invasive glaucoma surgery (MIGS) procedures, the Trabectome. Various databases were searched up to December 20, 2016, for any published studies assessing the use of the Trabectome as a solo procedure in patients with primary open-angle glaucoma (POAG). The standardized mean differences (SMD) were calculated for the change in intraocular pressure (IOP) and number of glaucoma mediations used at 1-month, 6-month, and 12-month follow-up...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28739100/movement-of-retinal-vessels-toward-the-optic-nerve-head-after-increasing-intraocular-pressure-in-monkey-eyes-with-experimental-glaucoma
#3
Atsumi Kuroda, Nobuko Enomoto, Kyoko Ishida, Masamitsu Shimazawa, Tetsuro Noguchi, Naoto Horai, Hirotaka Onoe, Hideaki Hara, Goji Tomita
A shift or displacement of the retinal blood vessels (RBVs) with neuroretinal rim thinning indicates the progression of glaucomatous optic neuropathy. In chronic open angle glaucoma, individuals with RBV positional shifts exhibit more rapid visual field loss than those without RBV shifts. The retinal vessels reportedly move onto the optic nerve head (ONH) in response to glaucoma damage, suggesting that RBVs are pulled toward the ONH in response to increased cupping. Whether this phenomenon only applies to RVBs located in the vicinity or inside the ONH or, more generally, to RBVs also located far from the ONH, however, is unclear...
July 21, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28737758/real-world-experience-with-0-2%C3%A2-%C3%AE-g-day-fluocinolone-acetonide-intravitreal-implant-iluvien-in-the-united-kingdom
#4
C Bailey, U Chakravarthy, A Lotery, G Menon, J Talks
AimsTo compare safety outcomes and visual function data acquired in the real-world setting with FAME study results in eyes treated with 0.2 μg/day fluocinolone acetonide (FAc).MethodsFourteen UK clinical sites contributed to pseudoanonymised data collected using the same electronic medical record system. Data pertaining to eyes treated with FAc implant for diabetic macular oedema (DMO) was extracted. Intraocular pressure (IOP)-related adverse events were defined as use of IOP-lowering medication, any rise in IOP>30 mm Hg, or glaucoma surgery...
July 24, 2017: Eye
https://www.readbyqxmd.com/read/28736046/the-optical-imaging-of-tarantula-hair-corneal-injury-one-case-report-and-review-of-the-literature
#5
Yuedong Hu, Yuanyuan Xu
INTRODUCTION: Tarantulas belonging to the Theraphosidae family are more and more popular as family pets. Ocular injuries caused by tarantulas are reported in several articles. We hereby report the first known case of ocular injury caused by a tarantula in China. CASE: A 22-year-old girl was referred to our hospital with one-week history of red and irritated left eye after she grabbed her molting Chilean Rose Tarantula. Her best-corrected visual acuity was 20/20 on both eyes...
July 20, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28733929/outcomes-of-ahmed-glaucoma-valve-implantation-for-steroid-induced-elevated-intraocular-pressure-in-patients-with-retinitis-pigmentosa
#6
Umit Eksioglu, Caglar Oktem, Gulten Sungur, Mehmet Yakin, Gulizar Demirok, Firdevs Ornek
PURPOSE: To evaluate the outcomes of Ahmed glaucoma valve (AGV) in the management of elevated intraocular pressure (IOP) secondary to steroid use for macular edema in patients with retinitis pigmentosa (RP). METHODS: A total of nine eyes of five patients were evaluated retrospectively. Complete success was defined as IOP ≤ 21 mmHg without glaucoma medications, while qualified success was defined as IOP ≤ 21 mmHg with glaucoma medications. RESULTS: Mean age at surgery was 25...
July 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28733050/the-optical-imaging-of-an-idiopathic-paracentral-acute-middle-maculopathy-chinese-young-man-and-review-of-the-literatures
#7
REVIEW
Yanyan Chen, Yuedong Hu
We report a case of idiopathic paracentral acute middle maculopathy with typical optical imaging and clinical features. A 26-year-old Chinese policeman presented with a 20-day history of paracentral scotoma in the left eye after early wake-up and long-time working in front of computer the day before. He experienced sudden-onset strong flash in his left eye. Paracentral scotoma appeared in his left eye after 6hours of rest. The general history was negative. His best-corrected visual acuity was 20/20 OU. Anterior segment, dilated fundus examination, papillary evaluation and intraocular pressure were normal...
July 18, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28732619/endophthalmitis-prophylaxis-by-intracameral-antibiotics-in%C3%A2-vitro-model%C3%A2-comparing-vancomycin-cefuroxime-%C3%A2-and%C3%A2-moxifloxacin
#8
Peter E Libre, Sean Mathews
PURPOSE: To compare the efficacy of intracameral vancomycin, cefuroxime, and moxifloxacin on postoperative bacterial endophthalmitis rates. SETTING: Norwalk Hospital, Norwalk, Connecticut, USA. DESIGN: Experimental study. METHODS: Bacteria and intraocular lenses (IOLs) were incubated with vancomycin, cefuroxime, moxifloxacin, or combinations. Antibiotic concentrations were high, corresponding to clinical maximum intracameral doses (1...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732615/new-parameters-for-evaluating-corneal-biomechanics-and-intraocular-pressure-after-small-incision-lenticule-extraction-by%C3%A2-scheimpflug-based-dynamic-tonometry
#9
Joaquín Fernández, Manuel Rodríguez-Vallejo, Javier Martínez, Ana Tauste, Patrizia Salvestrini, David P Piñero
PURPOSE: To evaluate parameters and dynamic corneal densitometry with a new dynamic Scheimpflug analyzer (Corvis ST) in eyes having small-incision lenticule extraction (SMILE). SETTING: Qvision, Vithas Virgen del Mar Hospital, Almería, Spain. DESIGN: Retrospective case series. METHODS: The study comprised eyes from the same institution having small-incision lenticule extraction surgery. Preoperative and 1-month postoperative measurements were taken...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732610/intraocular-pressure-change-after-phacoemulsification-in-angle-closure-eyes-without-medical-therapy
#10
Eray Atalay, Monisha E Nongpiur, Mani Baskaran, Shamira A Perera, Tina T Wong, Desmond Quek, Tin Aung
PURPOSE: To evaluate the intraocular pressure (IOP) change and associated factors 6 months after phacoemulsification in eyes with primary angle-closure suspect (PACS) and eyes with primary angle closure (PAC) that had no medical therapy. SETTING: Singapore National Eye Center, Singapore, Singapore. DESIGN: Retrospective case series. METHODS: Patients with PACS or PAC (with corrected distance visual acuity <20/40) who had uneventful phacoemulsification were recruited...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28731935/predictive-value-of-the-water-drinking-test-and-the-risk-glaucomatous-visual-field-progression
#11
Carlos G De Moraes, Remo Susanna, Lisandro M Sakata, Marcelo Hatanaka
PURPOSE: The purpose of this is to test the hypothesis the intraocular pressure (IOP) peaks during a stress test [the water drinking test (WDT)] can estimate the risk of future visual field progression in treated primary open-angle glaucoma (POAG) patients. PATIENTS AND METHODS: Design: Prospective, longitudinal study. SETTING: Clinical practice. STUDY POPULATION: Treated POAG patients whose IOP was ≤18 mm Hg and who had no IOP-lowering interventions between the date of the WDT and the last eligible visual field...
July 20, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28731934/long-term-evaluation-of-specular-microscopic-changes-following-nd-yag-iridotomy-in-chronic-primary-angle-closure-glaucoma-eyes
#12
Ramanjit Sihota, Esha Agarwal, Mathew James, Meena Verma, Lalit Kumar, Tanuj Dada, Viney Gupta, Kulwant Singh Kapoor
AIM: The aim of this study was to evaluate specular microscopy of chronic primary angle-closure glaucoma (CPACG) eyes at least 1 year after Nd:YAG iridotomy, and compare them with CPACG eyes without an iridotomy and age-matched, normal eyes. PATIENTS AND METHOD: Consecutive patients of CPACG at the Glaucoma service were screened. All patients underwent slit-lamp biomicroscopy, +90 D examination, and applanation tonometry. A total of 100 eyes of 100 consecutive patients of CPACG with an Nd:YAG iridotomy performed ≥1 year before, who met all inclusion/exclusion criteria, 60 consecutive CPACG eyes without an iridotomy, and 60 age and refraction-matched control eyes were enrolled...
July 20, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28731878/correlation-of-corneal-biomechanical-stiffness-with-refractive-error-and-ocular-biometry-in-a-pediatric-population
#13
Jyoti Matalia, Mathew Francis, Pooja Gogri, Pratibha Panmand, Himanshu Matalia, Abhijit Sinha Roy
PURPOSE: To assess the correlation between corneal biomechanical stiffness and refractive error (RE) in the pediatric population. METHODS: A total of 733 pediatric eyes were included in the study retrospectively. All eyes underwent corneal tomography (Pentacam), RE assessment, and air-puff deformation (Corvis-ST). Waveform analyses of deformation provided corneal stiffness (CS) and extraocular tissue stiffness (EOS). Eyes were subgrouped into emmetropia [manifest refraction spherical equivalent (MRSE) ∼ 0 D], hyperopia (MRSE > 0 D), myopia I (MRSE between 0 D and -3 D), myopia II (MRSE between -3 D and -6 D), and myopia III (MRSE greater than -6 D) for multivariate analyses...
July 19, 2017: Cornea
https://www.readbyqxmd.com/read/28731838/neuroprotection-in-glaucoma-animal-models-and-clinical-trials
#14
Mohammadali Almasieh, Leonard A Levin
Glaucoma is a progressive neurodegenerative disease that frequently results in irreversible blindness. Glaucoma causes death of retinal ganglion cells (RGCs) and their axons in the optic nerve, resulting in visual field deficits and eventual loss of visual acuity. Glaucoma is a complex optic neuropathy, and a successful strategy for its treatment requires not only better management of known risk factors such as elevated intraocular pressure and the development of improved tools for detecting RGC injury but also treatments that address this injury (i...
July 21, 2017: Annual Review of Vision Science
https://www.readbyqxmd.com/read/28730968/modulation-of-the-immune-system-for-the-treatment-of-glaucoma
#15
Katharina Bell, Nadine von Thun Und Hohenstein-Blaul, Julia Teister, Franz H Grus
At present intraocular pressure (IOP) lowering therapies are the only approach to treat glaucoma. Neuroprotective strategies to protect the retinal ganglion cells (RGC) from apoptosis are lacking to date. Results from clinical studies revealed altered immunoreactivities against retinal and optic nerve antigens in sera and aqueous humor of glaucoma patients and point toward an autoimmune involvement in glaucomatous neurodegeneration and RGC death. IgG accumulations along with plasma cells were found localised in human glaucomatous retinae in a pro-inflammatory environment possibly maintained by microglia...
July 19, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28730401/hypertensive-phase-and-its-association-with-surgical-outcomes-in-baerveldt-implantation
#16
Sunee Chansangpetch, Supawan Surukrattanaskul, Paneeya Tapaneeyangkul, Visanee Tantisevi
PURPOSE: To evaluate the rate of the hypertensive phase (HP) post-Baerveldt implantation and association between HP and surgical outcomes. METHODS: This is a retrospective observational study of glaucoma patients who had Baerveldt implantation in 2004 and completed 18 months of follow-up. At 18 months of follow-up, medical records for HP and its associated factors, and surgical outcomes such as rate of failures, intraocular pressure (IOP), numbers of medications administered, and complications were reviewed and identified...
July 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28730285/an-update-on-implants-for-minimally-invasive-glaucoma-surgery-migs
#17
REVIEW
Ejaz Ansari
For several years, the gold standard for surgical treatment of glaucoma has been trabeculectomy. Although very successful at reducing intraocular pressure (IOP), there are several potential complications of trabeculectomy, including sight-threatening ones. This has stimulated much research aimed at the development of new and effective procedures to lower IOP with an enhanced safety profile. Minimally invasive glaucoma surgery (MIGS) procedures prioritise patient safety but also demonstrate efficacy in reducing IOP...
July 20, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28730085/ocular-surface-evaluation-in-eyes-with-chronic-glaucoma-on-long-term-topical-antiglaucoma-therapy
#18
Manu Saini, Murugesan Vanathi, Tanuj Dada, Tushar Agarwal, Rebika Dhiman, Sudarshan Khokhar
AIM: To evaluate ocular surface changes and its correlation with the central corneal subbasal nerve fibre layer in chronic glaucoma patients. METHODS: A prospective comparative study of ocular surface evaluation was performed in 50 eyes of 25 patients using two or more antiglaucoma medications for at least 6mo and 50 eyes of 25 normal subjects without any ocular problems as controls. The study parameters evaluated included visual acuity, intraocular pressure, ocular surface evaluation parameters [fluorescein break-up time (FTBUT), Schirmer's I test, ocular surface staining scores and ocular surface disease index score (OSDI)], central corneal sensation (Cochet Bonnett aesthesiometer), central subbasal nerve fiber layer density (SBNFLD) by confocal microscopy...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730084/analyzing-cytokines-as-biomarkers-to-evaluate-severity-of-glaucoma
#19
Yao Tong, Ya-Li Zhou, Yan Zheng, Manas Biswal, Pei-Quan Zhao, Zhao-Yang Wang
AIM: To analyze cytokines as biomarkers for evaluation of severity of glaucoma. METHODS: This was a prospective case-control study including 29 eyes with glaucoma. Besides, 28 eyes with senile cataract were used as control. Patients were classified into four groups: acute angle closure glaucoma (AACG), chronic angle closure glaucoma (CACG), primary open angle glaucoma (POAG) and senile cataract. Undiluted vitreous samples were collected, then vitreous concentrations of 9 types of cytokines were determined by cytometric bead assay system: γ-interferon (IFNg), interleukin (IL)-10, IL-2, IL-4, IL-5, interferon-γ-inducible protein (IP)-10, monocyte chemoattractant protein (MCP)-1, tumor necrosis factor (TNF)-α, and vascular endothelial growth factor (VEGF)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730083/viscocanalostomy-combined-with-trabeculotomy-and-mitomycin-c-in-the-treatment-of-primary-congenital-glaucoma
#20
Chao-Xu Qian, Yuan Zong, Qin Chen, Zhi-Lan Yuan
AIM: To evaluate the long-term outcome of viscocanalostomy combined with trabeculotomy and mitomycin C in the treatment of primary congenital glaucoma. METHODS: This is a retrospective study. Forty-two eyes of 26 patients with primary congenital glaucoma were enrolled. Intraocular pressure (IOP), corneal diameter (mm) and cup/disc (C/D) were measured before and after the surgery respectively. Follow-up period was 30mo. RESULTS: The mean preoperative IOP was 30...
2017: International Journal of Ophthalmology
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