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https://www.readbyqxmd.com/read/30513532/rates-of-visual-field-loss-in-primary-open-angle-glaucoma-and-primary-angle-closure-glaucoma-asymmetric-patterns
#1
Siamak Yousefi, Hiroshi Sakai, Hiroshi Murata, Yuri Fujino, Masato Matsuura, David Garway-Heath, Robert Weinreb, Ryo Asaoka
Purpose: The purpose of this study was to evaluate the rate of visual field (VF) loss in primary open-angle glaucoma (POAG) and primary angle-closure glaucoma (PACG). Methods: Four hundred forty eyes of 282 patients with POAG (aged 53.4 ± 12.0: mean ± standard deviation, years) and 79 eyes of 49 patients with PACG (aged 62.7 ± 9.0 years) with at least six or more reliable VF tests were studied. Point-wise, region-wise, and global rates of VF change were assessed for POAG and PACG eyes...
December 3, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/30489169/prevalence-of-primary-glaucoma-as-diagnosed-by-study-optometrists-of-l-v-prasad-eye-institute-glaucoma-epidemiology-and-molecular-genetics-study
#2
Uday Kumar Addepalli, Ganesh B Jonnadula, Chandra Sekhar Garudadri, Rohit C Khanna, Eric B Papas
PURPOSE: To report the prevalence of primary glaucoma as identified by study optometrists of the L. V. Prasad Eye Institute - Glaucoma Epidemiology and Molecular Genetics Study (LVPEI-GLEAMS). METHODS: Two study optometrists and a total number of 3833 individuals participated in the LVPEI-GLEAMS. All subjects underwent a complete medical history and comprehensive eye examination including slit lamp photography, imaging of anterior and posterior segment, frequency doubling technology and standard automated perimetry including gonioscopy with a Sussman 4 mirror goniolens, post dilated evaluation of the optic disc and fundus was done with a 90 D lens by the study optometrist...
November 29, 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/30461551/cigarette-smoking-on-severity-of-primary-angle-closure-glaucoma-in-malay-patients
#3
Teh Chong Seong Niven, Yaakub Azhany, Abdul J Rohana, Tirmandas V N Karunakar, Sandragasu Thayanithi, Mohd N Jelinar Noor, Husain Norhalwani, Mustari Zuraidah, Ab H Siti Azrin, Mt S Ahmad, Tin Aung, Ahmad T Liza-Sharmini
PURPOSE: The purpose of this study was to determine the association between cigarette smoking and the severity of primary angle closure glaucoma (PACG) in Malay patients residing in Malaysia. METHODS: A cross-sectional study was conducted involving 150 Malay PACG patients between April 2014 and August 2016. Ocular examination was performed including Humphrey visual field (HVF) 24-2 analysis assessment. On the basis of the 2 consecutive reliable HVFs, the severity of glaucoma was scored according to modified Advanced Glaucoma Intervention Study (AGIS) by 2 masked investigators and classified as mild, moderate, and severe...
November 19, 2018: Journal of Glaucoma
https://www.readbyqxmd.com/read/30440158/-the-heritability-of-phenotypes-related-to-primary-angle-closure-glaucoma
#4
X H Yang, C Y Qiao
Glaucoma is the leading cause of irreversible blindness throughout the world. Primary angle closure glaucoma (PACG) is one of the common types of this disease. Research indicates that its prevalence is always associated with many factors, including ocular anatomical characteristics and the genetic susceptibility. According to many studies, phenotypes related to PACG, such as anterior chamber depth, relative lens position and thickness, chamber angle state, and axial length, are heritable. Heritability is an important indicator to quantify this genetic tendency...
November 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/30429240/inflammatory-cytokine-profiles-in-eyes-with-primary-angle-closure-glaucoma
#5
Yayi Wang, Shida Chen, Yaoming Liu, Wenbin Huang, Xinyi Li, Xiulan Zhang
Acute primary angle-closure (APAC) eyes show an early "acute inflammatory" condition, while the inflammation condition has not been fully elucidated in the development of primary angle-closure glaucoma (PACG). To evaluate the roles of inflammatory cytokines in the pathogenesis of PACG, this cross-sectional study involved 40 eyes of 32 PACG patients who required trabeculectomy and 24 eyes of 24 patients who required cataract surgery. The aqueous humor samples were collected at the time of surgery. Fifteen inflammatory cytokines were detected using the multiplex bead immunoassay technique, and the clinical information was recorded for the correlation analysis...
November 14, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/30405943/evaluation-of-anterior-segment-parameters-in-pseudoexfoliative-glaucoma-primary-angle-closure-glaucoma-and-healthy-eyes
#6
Nilgün Özkan Aksoy, Burçin Çakır, Emine Doğan, Gürsoy Alagöz
Objectives: To evaluate anterior segment parameters measured by dual Scheimpflug corneal topography in pseudoexfoliative glaucoma (PEXG), primary angle-closure glaucoma (PACG), and healthy eyes. Materials and Methods: One hundred forty-three eyes of 86 patients were included in this study. Forty-seven eyes of 38 patients with PEXG, 30 eyes of 15 patients with PACG, and 66 eyes of 33 healthy subjects were evaluated. Patients who underwent previous ophthalmic surgery and contact lens wearers were excluded...
October 2018: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/30399154/genotype-ocular-biometry-correlation-analysis-of-eight-primary-angle-closure-glaucoma-susceptibility-loci-in-a-cohort-from-northern-china
#7
Wenjuan Zhuang, Shaolin Wang, Juan Hao, Manyun Xu, Hao Chi, Shunyu Piao, Jianqing Ma, Xiaolong Zhang, Shaoping Ha
PURPOSE: Recent genome-wide association studies (GWAS) have verified eight genetic loci that were significantly associated with primary angle-closure glaucoma (PACG). The present study investigated whether these variants are associated with the ocular biometric parameters of anterior chamber depth (ACD) and axial length (AL) in a northern Chinese population, as well as whether there were differences in the association of genetic markers in our cohort based on ethnicity. METHODS: A case-control association study of 500 patients and 720 controls was undertaken...
2018: PloS One
https://www.readbyqxmd.com/read/30373555/central-corneal-thickness-in-a-jordanian-population-and-its-association-with-different-types-of-glaucoma-cross-sectional-study
#8
MULTICENTER STUDY
Sana' Muhsen, Feras Alkhalaileh, Mohammad Hamdan, Saif Aldeen AlRyalat
BACKGROUND: Central corneal thickness (CCT) has long been implicated to affect glaucoma predisposition. Several reports have identified that thinner CCT is a risk factor for open-angle glaucoma, and that CCT can be very variable between different ethnic groups. In this study, we aim to identify the relation between CCT and different glaucoma parameters in different types of glaucoma in an Arabian ethnicity. METHODS: We classified our participants into four main groups: primary open-angle glaucoma (POAG), primary angle-closure glaucoma (PACG), pseudoexfoliative glaucoma (PXFG), and a control group...
October 29, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30348125/association-of-genes-implicated-in-primary-angle-closure-glaucoma-and-the-ocular-biometric-parameters-of-anterior-chamber-depth-and-axial-length-in-a-northern-chinese-population
#9
Shaolin Wang, Wenjuan Zhuang, Jianqing Ma, Manyun Xu, Shunyu Piao, Juan Hao, Wen Zhang, Hao Chi, Zhongqi Xue, Shaoping Ha
BACKGROUND: The membrane frizzled-related protein (MFRP) gene is involved in axial length (AL) regulation and MFRP mutations cause nanophthalmos; also, the hepatocyte growth factor (HGF) gene is reported to result in morphologic changes of the anterior segment and abnormal aqueous regulation that increases the risk of primary angle-closure glaucoma (PACG), while the zinc ring finger 3 (ZNRF3) gene is associated with AL. The present study investigated the association of single nucleotide polymorphisms (SNPs) in ZNRF3, HGF and MFRP with PACG in a northern Chinese population, as well as the association of these SNPs with the ocular biometric parameters of anterior chamber depth (ACD) and AL...
October 22, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30300309/primary-angle-closure-glaucoma-with-normal-intraocular-pressure-at-the-first-visit-its-prevalence-and-ocular-characteristics
#10
Won Hyuk Oh, Bum Gi Kim, Haksu Kyung, Joo Hwa Lee
PURPOSE: To investigate the prevalence of normal intraocular pressure (IOP) at first visit among patients with primary angle closure glaucoma (PACG) and their ocular characteristics. PATIENTS AND METHODS: We retrospectively reviewed patients with PACG in a referral center. According to untreated IOP, we divided PACG eyes into two groups: those with normal IOP and those with high IOP (>21▒mmHg) at the first visit. RESULTS: One hundred sixty eyes of 160 Korean PACG patients were included...
October 8, 2018: Journal of Glaucoma
https://www.readbyqxmd.com/read/30271627/short-term-observation-of-ultrasonic-cyclocoagulation-in-chinese-patients-with-end-stage-refractory-glaucoma-a-retrospective-study
#11
Dongpeng Hu, Shu Tu, Chengguo Zuo, Jian Ge
Purpose: To assess the efficacy and safety of HIFU-based ultrasonic cyclocoagulation in Chinese patients with end-stage refractory glaucoma. Method: Patients were recruited consecutively from May 2016 to May 2017 in the Zhongshan Ophthalmic Center. Ultrasonic cyclocoagulation was performed on every patient, using the EyeOP1 ultrasound emitting device. Return visits were set at 1 day, 7 days, 1 month, and 3 months after the treatment. An intraocular pressure (IOP) reduction of ≥20% while IOP ≥ 5 mmHg was deemed as success...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/30239140/primary-angle-closure-and-primary-angle-closure-glaucoma-in-retinal-vein-occlusion
#12
Ke Xu, Lingling Wu, Zhizhong Ma, Yuling Liu, Fang Qian
PURPOSE: To investigate the frequency of primary angle closure (PAC) and primary angle closure glaucoma (PACG) in patients with retinal vein occlusion (RVO) based on a hospital population. METHODS: A total of 375 consecutive cases newly diagnosed with RVO by fluorescein fundus angiography at a single eye centre in Peking were reviewed. Gonioscopy was performed in all patients. Glaucoma was diagnosed according to the criteria of the International Society of Geographical and Epidemiological Ophthalmology...
September 21, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/30239139/argon-laser-peripheral-iridoplasty-for-chronic-primary-angle-closure-and-angle-closure-glaucoma-in-caucasians
#13
Karin R Pillunat, Eberhard Spoerl, Johanna Orphal, Lutz E Pillunat
PURPOSE: To investigate whether the peripheral thinning and shrinking of the iris as induced with Argon laser peripheral iridoplasty (ALPI) has an effect on intraocular pressure (IOP), angle structure and 3-D anterior segment (AS) morphology in Caucasians with chronic primary angle-closure (PAC) and primary angle-closure glaucoma (PACG). METHODS: Twenty-four eyes of 24 patients (age 67.7 ± 8.9 years; seven males; 17 females) diagnosed with PAC (n = 10) or PACG (n = 14) were assigned for ALPI prior to laser peripheral iridotomy (LPI) and consecutively enrolled in this prospective interventional study...
September 21, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/30235694/patterns-of-care-for-glaucoma-patients-in-korea-from-2002-to-2013-using-the-national-health-insurance-service-claims-data
#14
Seulggie Choi, Jin A Choi, Jin Woo Kwon, Sang Min Park, Donghyun Jee
Due to the rapidly increasing life-expectancy, the prevalence of glaucoma has increased steadily in recent years. We aimed to evaluate the patterns of care and primary treatment strategy patterns in Korea according to glaucoma subtypes to assess the quality of care for glaucoma patients.In this serial cross-sectional survey, the claims data from the Korean National Health Insurance Service was used to identify and group glaucoma patients into primary open-angle glaucoma (POAG), primary angle-closure glaucoma (PACG), other types of glaucoma, and ocular hypertension from 2002 to 2013...
September 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30213732/increased-bioavailability-of-cyclic-guanylate-monophosphate-prevents-retinal-ganglion-cell-degeneration
#15
Lauren K Wareham, Ana C Dordea, Grigorij Schleifer, Vincent Yao, Annabelle Batten, Fei Fei, Joseph Mertz, Meredith Gregory-Ksander, Louis R Pasquale, Emmanuel S Buys, Rebecca M Sappington
The nitric oxide - guanylyl cyclase-1 - cyclic guanylate monophosphate (NO-GC-1-cGMP) pathway has emerged as a potential pathogenic mechanism for glaucoma, a common intraocular pressure (IOP)-related optic neuropathy characterized by the degeneration of retinal ganglion cells (RGCs) and their axons in the optic nerve. NO activates GC-1 to increase cGMP levels, which are lowered by cGMP-specific phosphodiesterase (PDE) activity. This pathway appears to play a role in both the regulation of IOP, where reduced cGMP levels in mice leads to elevated IOP and subsequent RGC degeneration...
September 10, 2018: Neurobiology of Disease
https://www.readbyqxmd.com/read/30209568/relationship-between-filtering-bleb-vascularization-and-surgical-outcomes-after-trabeculectomy-an-optical-coherence-tomography-angiography-study
#16
Xue Yin, Qinhua Cai, Run Song, Xuefei He, Peirong Lu
PURPOSE: To explore the relationship between the bleb vasculature and surgical outcome after trabeculectomy (TRAB) using optical coherence tomography angiography (OCT-A). METHODS: A prospective study was conducted, which included 26 eyes of 26 primary glaucoma patients in the final analysis. Thereinto, six patients underwent TRAB combined 5-FU and 12 patients received subconjunctival 5-FU injection postoperation. The bleb vessel was evaluated using OCT-A 1 week, 2 weeks, 1 month, 3 months, and 6 months after TRAB...
September 12, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/30199440/altered-whole-brain-gray-matter-volume-in-primary-angle-closure-glaucoma-patients-a-voxel-based-morphometry-study
#17
Fei Jiang, Fei-Fei Zeng, Chen Yu, Yin-Quan Ye, Xian-Jun Zeng
The study aimed to compare the whole-brain gray matter volume (GMV) and white matter volume (WMV) difference between primary angle closure glaucoma (PACG) patients and health controls (HCs) using a voxel-based morphometry method. A total of 27 patients with PACG (17 males and 10 females) and 27 HCs (17 males and 10 females), closely matched for age and education, were enrolled in the study. All subjects underwent magnetic resonance imaging (MRI) scans. The MRI data were processed using SPM8 software in voxel-based morphometry 8 toolbox...
November 7, 2018: Neuroreport
https://www.readbyqxmd.com/read/30184550/is-thicker-choroid-a-risk-factor-for-malignant-glaucoma
#18
Xiangxi Chen, Xinxing Guo, Xiaoyu Xu, Hui Xiao, Xing Liu
PURPOSE: The aim of this study was to evaluate the choroidal thickness (CT) and its determinants in primary angle closure glaucoma (PACG) eyes with and without malignant glaucoma (MG). METHODS: In this cross-sectional study, we enrolled 25 patients with bilateral primary angle closure (PAC) diseases; 1 eye of each patient was diagnosed with PACG initially and later with MG after trabeculectomy, and the fellow eyes were diagnosed with PACG, PAC, or PAC suspect. Thirty-seven eyes from 37 PACG patients were recruited as controls...
2018: Ophthalmic Research
https://www.readbyqxmd.com/read/30140638/melatonin-concentrations-in-serum-of-primary-glaucoma-patients
#19
Xiao-Ping Ma, Man-Yi Shen, Guang-Lin Shen, Qiao-Ran Qi, Xing-Huai Sun
AIM: To determine whether glaucoma patients exhibit an abnormal melatonin concentration in serum and the effects of psychiatric disorders caused by glaucoma in melatonin secretion. METHODS: A sample of 80 primary angle-closure glaucoma (PACG) patients, 120 primary open angle glaucoma (POAG) patients, and 120 normal controls were enrolled in this study. All the participants were asked to complete the following questionnaires: Pittsburgh sleep quality index (PSQI), self-rating anxiety scale (SAS), and self-rating depression scale (SDS)...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/30140636/risk-factors-for-flat-anterior-chamber-after-glaucoma-filtration-surgery
#20
Xiang-Ji Li, Richard Filek, Xiang-Ge He, Wei Wang, Hong Liu, Lian He, Yu-Rong Tang, Lin Xie
AIM: To investigate the incidence rate and risk factors for grade III flat anterior chamber (FAC) after glaucoma filtration surgery based on 5-year data. METHODS: Patients who underwent glaucoma filtration surgery in Daping hospital from January 2009 to December 2013 were enrolled in this retrospective study. The incidence of grade III FAC following glaucoma filtration surgery was determined. Regression analysis was performed to investigate the influence of glaucoma type, surgical approach, age, and preoperative intraocular pressure (IOP) on the risk of postoperative FAC...
2018: International Journal of Ophthalmology
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