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Angle closure glaucoma

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https://www.readbyqxmd.com/read/28922031/optic-nerve-head-characteristics-in-chronic-angle-closure-glaucoma-detected-by-swept-source-oct
#1
Dejiao Li, Taibo Li, Eleftherios I Paschalis, Haobing Wang, Elise V Taniguchi, Zi-Ning Choo, Marissa K Shoji, Scott H Greenstein, Stacey C Brauner, Angela V Turalba, Louis R Pasquale, Lucy Q Shen
PURPOSE: To compare structural features in prelaminar and laminar tissues of the optic nerve head (ONH) in chronic angle closure glaucoma (CACG), primary open angle glaucoma (POAG), and control subjects. MATERIALS AND METHODS: ONH imaging was performed using swept-source optical coherence tomography (SS-OCT) for measurements of minimum rim width at Bruch's membrane opening (BMO-MRW), horizontal, and vertical lamina cribrosa depth (LCD). Prelaminar defects, categorized as hole and wedge, and lamina cribrosa (LC) defects were identified...
September 18, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28910448/iridoschisis-in-angle-closure-glaucoma-associated-with-alkali-burn
#2
Swarup S Swaminathan, Kara M Cavuoto, Ta Chen Chang
No abstract text is available yet for this article.
September 14, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28894266/generation-of-a-new-mouse-model-of-glaucoma-characterized-by-reduced-expression-of-the-ap-2%C3%AE-and-ap-2%C3%AE-proteins
#3
Maria Monica Barzago, Mami Kurosaki, Maddalena Fratelli, Marco Bolis, Chiara Giudice, Laura Nordio, Elisa Cerri, Luciano Domenici, Mineko Terao, Enrico Garattini
We generated 6 transgenic lines with insertion of an expression plasmid for the R883/M xanthine dehydrogenase (XDH) mutant protein. Approximately 20% of the animals deriving from one of the transgenic lines show ocular abnormalities and an increase in intra-ocular pressure which are consistent with glaucoma. The observed pathologic phenotype is not due to expression of the transgene, but rather the consequence of the transgene insertion site, which has been defined by genome sequencing. The insertion site maps to chromosome 1qA3 in close proximity to the loci encoding AP-2β and AP-2δ, two proteins expressed in the eye...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28887138/-the-role-of-phacoemulsification-in-glaucoma-therapy-a-systematic-review-and-meta-analysis
#4
REVIEW
Marisse Masis, Patrick J Mineault, Eileen Phan, Shan C Lin
Cataract extraction is a safe and effective surgery that has been performed in its modern form for several decades. Many studies have noted that cataract extraction could also have a clinically significant role in the control of co-morbid glaucoma. Lens extraction decreases the pressure within the eye, and intraocular pressure is the only controllable risk factor in glaucoma proven to be effective. A systematic analysis of current evidence is needed to establish strong practice patterns and identify areas where further research is required...
September 5, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28887118/trabecular-meshwork-height-in-primary-open-angle-glaucoma-versus-primary-angle-closure-glaucoma
#5
Marisse Masis, Rebecca Chen, Travis Porco, Shan C Lin
PURPOSE: To determine if trabecular meshwork (TM) height differs between primary open-angle glaucoma (POAG) and primary angle-closure glaucoma (PACG) eyes. Design; Prospective, cross-sectional clinical study. METHODS: Adult patients were consecutively recruited from glaucoma clinics at the University of California, San Francisco, from January 2012 to July 2015. Images were obtained from spectral-domain optical coherence tomography (Cirrus OCT, CarlZeiss Meditec, Inc...
September 5, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28861350/refractive-errors-and-biometry-of-primary-angle-closure-disease-in-a-mixed-malaysian-population
#6
Jelinar Mohamed-Noor, Dhaniah Abd-Salam
AIM: To assess the refractive status, anterior chamber depth (ACD) and axial length (AL) of patients with primary angle-closure disease (PACD). METHODS: Retrospective cohort. Data was collected from charts of all PACD patients treated from April 2013 to December 2015. Analysis was done on 137 patient charts with complete biometric data. Patient demographics, PACD type, refractive status (spherical equivalent), ACD and AL were studied. RESULTS: The median age of 137 subjects [53 with primary angle-closure suspects (PACS), 27 with primary angle-closure (PAC) and 57 with primary angle-closure glaucoma (PACG)] was 68y (range 21-88y)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28860528/pupillary-responses-to-light-are-not-affected-by-narrow-irido-corneal-angles
#7
A V Rukmini, Raymond P Najjar, Eray Atalay, Sourabh Sharma, Jing Zhan Lock, Mani Baskaran, Monisha Nongpiur, Joshua J Gooley, Tin Aung, Dan Milea
Chromatic pupillometry is an emerging method for evaluating ocular health that relies upon the differential stimulation of rods, cones, and intrinsically photosensitive retinal ganglion cells (ipRGCs). Although it has been investigated in conditions affecting the outer or inner retina, there is a paucity of studies in conditions where the anterior chamber of the eye is affected. Primary angle closure suspects (PACS) are defined as eyes with narrow anterior chamber angles and intact retina. PACS patients are at risk of developing primary angle closure glaucoma and are prophylactically treated by performing laser peripheral iridotomy (LPI)...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28858962/drug-induced-myopia-and-bilateral-angle-closure-secondary-to-zolmitriptan
#8
Jonathan Tak Loong Lee, Simon Edward Skalicky, Ming-Lee Lin
PURPOSE: To describe a unique case of drug-induced transient myopia with angle-closure glaucoma in a patient being treated with zolmitriptan for migraines. METHODS: A 42-year-old woman who had been using increasing amounts of zolmitriptan over the previous 12 months presented with an acute myopic shift and raised intraocular pressures (IOP) with anterior chamber shallowing. Clinical examination findings at presentation and at follow-up visits were reviewed. RESULTS: Initial examination revealed unaided visual acuities of 20/100 in the right eye and 20/125 in the left, with IOP measuring 34 mm Hg bilaterally...
August 30, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28858162/cost-effectiveness-of-phacoemulsification-versus-combined-phacotrabeculectomy-for-treating-primary-angle-closure-glaucoma
#9
Poemen P Chan, Emmy Y Li, Kelvin K F Tsoi, Yolanda Y Kwong, Clement C Tham
PURPOSE: To compare the cost effectiveness of phacoemulsification and combined phacotrabeculectomy for lowering intraocular pressure (IOP) in primary angle closure glaucoma (PACG) eyes with coexisting cataract. METHODS: Real-life data of two previous randomized control trials that involved 51 medically-uncontrolled PACG eyes and 72 medically-controlled PACG eyes were utilized to calculate the direct cost of treatment. They were followed-up for two years. Cost of pre-operative assessments, surgical interventions, additional procedures for managing complications and maintenance of filtration, post-operative follow-up, and cost of medications were considered...
August 28, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28832670/peripapillary-retinal-splitting-visualized-on-oct-in-glaucoma-and-glaucoma-suspect-patients
#10
Dilraj S Grewal, Daniel J Merlau, Pushpanjali Giri, Marion R Munk, Amani A Fawzi, Lee M Jampol, Angelo P Tanna
PURPOSE: To identify the risk factors for development of peripapillary retinal splitting (schisis) in patients with glaucoma or suspicion of glaucoma. SETTING: Glaucoma Clinic, Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, IL. METHODS: In this institutional cross-sectional study, 495 patients (990 eyes) who had undergone spectral-domain optical coherence tomography (OCT Spectralis HRA-OCT, Heidelberg Engineering) optic nerve head (ONH) imaging and did not have identifiable optic nerve pits, pseudopits or coloboma were included...
2017: PloS One
https://www.readbyqxmd.com/read/28820156/viscoelastic-augmented-trabeculectomy-a-newer-concept
#11
Meghna Solanki, Ankur Kumar, Anubhav Upadhyay, Kishor Kumar
PURPOSE: Comparison of conventional trabeculectomy (CT) and viscoelastic-augmented trabeculectomy (VAT) in primary open-angle glaucoma. METHODS: A total of 65 primary open-angle glaucoma cases were taken for each of the two groups, i.e., CT and VAT. Viscoelastic-augmented trabeculectomy constituted lamellar scleral flap, deep scleral flap, penetrating trabeculectomy, peripheral iridectomy, filling of the anterior chamber with viscoelastic (sodium hyaluronate) and balanced salt solution, movement of visco in bleb, and tight flap closure...
August 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28816215/treatment-of-primary-angle-closure-glaucoma-does-early-lens-extraction-help
#12
Ramanjit Sihota
No abstract text is available yet for this article.
March 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/28813580/genetic-association-of-the-parl-abcc5-htr3d-htr3c-locus-with-primary-angle-closure-glaucoma-in-chinese
#13
Fang Yao Tang, Li Ma, Pancy O S Tam, Chi Pui Pang, Clement C Y Tham, Li Jia Chen
Purpose: This study evaluates the associations of haplotype-tagging single nucleotide polymorphisms (SNPs) in the PARL-ABCC5-HTR3D-HTR3C region with primary angle closure glaucoma (PACG), with a view to identify the responsible SNP in this region. Methods: Thirty SNPs from the PARL-ABCC5-HTR3D-HTR3C region were genotyped in a Hong Kong Chinese cohort of 422 PACG patients and 400 control subjects, using TaqMan SNP genotyping assays. Single marker and haplotype-based association analyses were performed...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28804247/ophthalmology-in-north-america-early-stories-1491-1801
#14
REVIEW
Christopher T Leffler, Stephen G Schwartz, Ricardo D Wainsztein, Adam Pflugrath, Eric Peterson
New World plants, such as tobacco, tomato, and chili, were held to have beneficial effects on the eyes. Indigenous healers rubbed or scraped the eyes or eyelids to treat inflammation, corneal opacities, and even eye irritation from smoke. European settlers used harsh treatments, such as bleeding and blistering, when the eyes were inflamed or had loss of vision with a normal appearance (gutta serena). In New Spain, surgery for corneal opacity was performed in 1601 and cataract couching in 1611. North American physicians knew of contralateral loss of vision after trauma or surgery (sympathetic ophthalmia), which they called "sympathy...
2017: Ophthalmology and Eye Diseases
https://www.readbyqxmd.com/read/28797550/optical-coherence-tomography-angiography-of-the-peripapillary-retina-in-primary-angle-closure-glaucoma
#15
Shunhua Zhang, Chan Wu, Liang Liu, Yali Jia, Yao Zhang, Yang Zhang, Hua Zhang, Yong Zhong, David Huang
PURPOSE: To measure the change of peripapillary retinal vessel density (VD) in eyes with a history of acute primary angle closure glaucoma (PACG). DESIGN: Case-control study. METHODS: Twenty-one consecutive Chinese patients with history of unilateral acute PACG were enrolled. Eyes with acute PACG constituted the case group, while the contralateral eyes without attack constituted the control. All patients underwent ophthalmic examinations including best-corrected visual acuity, intraocular pressure, and visual field (VF)...
August 7, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28794074/the-incidence-of-acute-angle-closure-in-scotland-a-prospective-surveillance-study
#16
Paul Y Chua, Alexander C Day, Ken L Lai, Nikki Hall, Lai L Tan, Kamran Khan, Lik Thai Lim, Barny Foot, Paul J Foster, Augusto Azuara-Blanco
PURPOSE: To estimate the incidence, and describe the clinical features and short-term clinical outcomes of acute angle closure (AAC). METHODS: Patients with newly diagnosed AAC were identified prospectively over a 12-month period (November 2011 to October 2012) by active surveillance through the Scottish Ophthalmic Surveillance Unit reporting system. Data were collected at case identification and at 6 months follow-up. RESULTS: There were 114 cases (108 patients) reported, giving an annual incidence of 2...
August 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28774519/undetected-angle-closure-in-patients-with-a-diagnosis-of-open-angle-glaucoma
#17
Devesh K Varma, Sarah M Simpson, Amandeep S Rai, Iqbal Ike K Ahmed
OBJECTIVE: The aim of this study was to identify the proportion of patients referred to a tertiary glaucoma centre with a diagnosis of open-angle glaucoma (OAG) who were found to have angle closure glaucoma. DESIGN: Retrospective chart review. METHODS: Consecutive new patients referred for glaucoma management to a tertiary centre between July 2010 and December 2011 were reviewed. Patients whose referrals for glaucoma assessment specified angle status as "open" were included...
August 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28774518/proportion-of-undetected-narrow-angles-or-angle-closure-in-cataract-surgery-referrals
#18
Devesh K Varma, Stephanie N Kletke, Amandeep S Rai, Iqbal Ike K Ahmed
OBJECTIVE: To determine the proportion of patients referred for cataract surgery consultation who had undetected narrow angles (primary angle closure suspect [PACS], primary angle closure [PAC], or primary angle closure glaucoma [PACG]). DESIGN: Retrospective chart review. PARTICIPANTS: Phakic patients referred by eye care providers (optometrists and ophthalmologists) to a tertiary centre for cataract management between July 1, 2010 and June 30, 2012 were identified and reviewed...
August 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28764211/a-rare-case-of-topiramate-induced-secondary-acute-angle-closure-glaucoma
#19
Ajit Kamalakar Joshi, Amit Hemant Pathak, Saurabh Dilip Patwardhan, Anil Narayan Kulkarni
Secondary Acute Angle Closure Glaucoma (AACG) is a known side effect of Topiramate (TPM). Here, we present a case report of a 47-year-old male who was started on TPM 25 mg/day for migraine. He presented to the ophthalmology department of our hospital with sudden blurring of vision and colored halos after one day of starting TPM. A high index of suspicion, followed by appropriate investigations and prompt management that helped to manage TPM induced bilateral AACG with quick and complete visual recovery.
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28731934/long-term-evaluation-of-specular-microscopic-changes-following-nd-yag-iridotomy-in-chronic-primary-angle-closure-glaucoma-eyes
#20
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
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