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Tension normal glaucoma

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https://www.readbyqxmd.com/read/28777225/the-relation-between-endothelial-nitric-oxide-synthase-polymorphisms-and-normal-tension-glaucoma
#1
Jin Wook Jeoung, Dong Myung Kim, Sohee Oh, Jee-Soo Lee, Sung Sup Park, Ji Yeon Kim
PURPOSE: We investigated whether polymorphisms of the endothelial NO synthase (eNOS) gene are associated with normal tension glaucoma (NTG). We also investigated whether the eNOS polymorphisms are associated with NTG subgroups (NTG with and without optic disc hemorrhage (DH)). METHODS: A total of 251 patients with NTG and 245 healthy volunteers were enrolled in this study. DNA from peripheral blood leukocytes was extracted, and the genotypes of four polymorphisms (rs2070744, rs1549758, rs1799983, and rs2566514) in the eNOS gene were determined using restriction fragment length polymorphism and the SNaPshot method...
August 2, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28774517/normal-tension-glaucoma-management-a-survey-of-contemporary-practice
#2
Richard J Symes, Frederick S Mikelberg
OBJECTIVE: The aim of this study was to investigate contemporary practice patterns with respect to normal tension glaucoma (NTG) management and to determine whether the 2 largest NTG trials have influenced ophthalmologists' clinical practice. METHODS: A survey questionnaire was sent to ophthalmologists via the American Glaucoma Society, the Canadian Glaucoma Society, and the Canadian Ophthalmological Society. The questionnaire was designed to investigate ophthalmologists' usual practice with respect to NTG and the extent to which practice has been influenced by the Collaborative Normal Tension Glaucoma Study (CNTGS) and the Low pressure Glaucoma Treatment Study (LoGTS)...
August 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28750434/-26-years-of-the-erlangen-glaucoma-registry-demographic-and-perimetric-characteristics-of-patients-through-the-ages
#3
Bettina Hohberger, Edith Monczak, Christian Yahya Mardin
Background The history of the Erlangen Glaucoma Registry goes back 26 years. In this study, we present retrospective demographic and perimetric data on the initial visit of patients with ocular hypertension (OHT), pre-perimetric (prePOAG) and perimetric primary open-angle glaucoma (POAG), normal tension glaucoma (NTG) and secondary open-angle glaucoma (SOAG) and correlate these results with the latest perimetric data. Material and Methods 1406 (754 patients) of the Erlangen Glaucoma Registry (EGR; NTC00494923) were investigated retrospectively between 1991 and 2016 covering: demographic data (age, visual acuity, intraocular pressure [IOP]), diagnosis and perimetric characteristics (mean defect [MD], loss variance [LV]) at the initial visit and the latest perimetric data...
July 27, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28745655/-significance-of-anti-myelin-basic-protein-antibodies-for-ocular-hydrodynamic-disturbances-in-primary-open-angle-glaucoma
#4
M A Frolov, V G Likhvantseva, I V Kovelenova, M V Solomatina
The aim of the study was to investigate the significance of anti-myelin basic protein (MBP) antibodies (AB) for ocular hydrodynamic disturbances in primary open-angle glaucoma (POAG). The study was conducted using the enzyme-linked immunosorbent assay (ELISA). The patients included had either high-tension (82 cases), or normal-tension (62 patients) glaucoma (HTG and NTG). In 46.3% of HTG patients and 38.7% of NTG patients, anti-MBP antibodies were lower than in the controls. There were also some cases (12.9%) of increased AB production at NTG onset...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28725291/relationship-between-normal-tension-glaucoma-and-flammer-syndrome
#5
Katarzyna Konieczka, Hyuk Jin Choi, Simone Koch, Franz Fankhauser, Andreas Schoetzau, Dong Myung Kim
BACKGROUND: Besides intraocular pressure, vascular factors play a role in the pathogenesis of glaucomatous optic neuropathy. One of these potential vascular factors is Flammer syndrome. The purpose of the present study was to determine in a Korean population whether signs and symptoms of Flammer syndrome occur more often in normal tension glaucoma patients than in control subjects. METHODS: Two hundred forty-six normal tension glaucoma patients and 1116 control subjects responded to a multiple-choice questionnaire asking about 15 signs and symptoms of Flammer syndrome...
June 2017: EPMA Journal
https://www.readbyqxmd.com/read/28725290/the-discovery-of-the-flammer-syndrome-a-historical-and-personal-perspective
#6
REVIEW
Josef Flammer, Katarzyna Konieczka
This review describes the clinical and basic research that led to the description of Flammer syndrome. It is narrated from a personal perspective. This research was initiated by the observation of an increased long-term fluctuation of visual fields in a subgroup of glaucoma patients. As these patients had strikingly cold hands, peripheral blood flow was tested with a capillary microscopy, and vasospastic syndrome (VS) was diagnosed. Further studies on these patients revealed frequently weakened autoregulation of ocular blood flow and increased flow resistivity in retroocular vessels...
June 2017: EPMA Journal
https://www.readbyqxmd.com/read/28724826/bilateral-normal-tension-glaucoma-can-this-be-nutritional
#7
Sirisha Senthil, Kiranmaye Turaga
Normal tension glaucoma (NTG) also known as low tension glaucoma, presents with optic nerve head and visual field damage in the absence of high intraocular pressure (<21 mmHg). There are several patients of NTG seen in our clinics who have repeatable visual field defects, which may or may not correlate with the disc appearance, but are labeled as glaucoma. Ruling out ischemic, nutritional, and other causes of one-time damage are important before diagnosing an NTG. We report 3 such cases that were misdiagnosed and referred as NTG...
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28703795/edaravone-suppresses-retinal-ganglion-cell-death-in-a-mouse-model-of-normal-tension-glaucoma
#8
Kei Akaiwa, Kazuhiko Namekata, Yuriko Azuchi, Xiaoli Guo, Atsuko Kimura, Chikako Harada, Yoshinori Mitamura, Takayuki Harada
Glaucoma, one of the leading causes of irreversible blindness, is characterized by progressive degeneration of optic nerves and retinal ganglion cells (RGCs). In the mammalian retina, excitatory amino-acid carrier 1 (EAAC1) is expressed in neural cells, including RGCs. Loss of EAAC1 leads to RGC degeneration without elevated intraocular pressure (IOP) and exhibits glaucomatous pathology including glutamate neurotoxicity and oxidative stress. In the present study, we found that edaravone, a free radical scavenger that is used for treatment of acute brain infarction and amyotrophic lateral sclerosis (ALS), reduces oxidative stress and prevents RGC death and thinning of the inner retinal layer in EAAC1-deficient (KO) mice...
July 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28683479/-diagnostic-precision-of-the-confocal-scanning-laser-ophthalmoscopy-in-the-large-optic-disc-with-physiological-excavation-a-long-term-study
#9
Eva Charlotte Koch, Niklas Plange, Matthias Fuest, Hannah Schimitzek, David Kuerten
We repeatedly examined 17 subjects with presumed bilateral physiological excavation labeled as pathological and/or borderline via HRT to verify the diagnosis of physiological cupping or to monitor the long-term progression into normal tension glaucoma. Patients and Methods 17 Subjects with presumed bilateral physiological cupping and large optic discs were included in this long-term follow-up study. All subjects underwent regular detailed ophthalmologic examinations, including intraocular pressure measurement via Goldmann applanation tonometry (GAT), retinal nerve fiber layer imaging via optical coherence tonometry (OCT) and visual field testing and optic disc imaging using the HRT...
July 6, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28667424/evaluating-retinal-vessel-diameter-with-optical-coherence-tomography-in-normal-tension-glaucoma-patients
#10
Takeshi Yabana, Yukihiro Shiga, Ryo Kawasaki, Kazuko Omodaka, Hidetoshi Takahashi, Koudai Kimura, Kyosuke Togashi, Takaaki Horii, Kei Sasaki, Testuya Yuasa, Toru Nakazawa
PURPOSE: To investigate a novel optical coherence tomography (OCT)-derived variable, circumpapillary mean retinal shadow width (cpMRSW), and to elucidate its association with normal-tension glaucoma (NTG). METHODS: For the purpose of validation, we measured retinal vascular calibers in 68 arterioles and 100 venules of 12 NTG patients and 12 healthy subjects and compared the width of the visible retinal shadows in spectral-domain OCT images and the caliber of retinal vessels in retinal photographs...
June 30, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28660081/analysis-of-peripapillary-retinal-vessel-diameter-in-unilateral-normal-tension-glaucoma
#11
Yong Un Shin, Sang Eon Lee, Heeyoon Cho, Min Ho Kang, Mincheol Seong
PURPOSE: This study sought to analyze peripapillary retinal vessel diameter and evaluate its correlation with retinal nerve fiber layer (RNFL) thickness in patients with unilateral normal-tension glaucoma (NTG). METHODS: This retrospective study included 37 patients with unilateral NTG and 40 healthy controls. The unilateral NTG patients were selected based on RNFL photography and unilateral visual field (VF) defects from the Humphrey central 30-2 threshold test...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28658128/association-of-wdr36-polymorphisms-with-primary-open-angle-glaucoma-a-systematic-review-and-meta-analysis
#12
REVIEW
Ke Liu, Wenling He, Jun Zhao, Yingxia Zeng, Hongbo Cheng
BACKGROUND: The association of the WDR36 gene with glaucoma has been controversial in the literature. We therefore conducted a systematic review and meta-analysis to assess the association of all reported common polymorphisms in WDR36 with primary open angle glaucoma (POAG) and its subtypes: high tension glaucoma (HTG) and normal tension glaucoma (NTG). METHODS: Publications in PUBMED and EMBASE databases up to March 9, 2016 were searched for case-control association studies of WDR36 with POAG, HTG, and/or NTG...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28635642/lack-of-association-between-serum-vitamin-b%C3%A2-vitamin-b12-and-vitamin-d-levels-with-different-types-of-glaucoma-a-systematic-review-and-meta-analysis
#13
Shengjie Li, Danhui Li, Mingxi Shao, Wenjun Cao, Xinghuai Sun
Although vitamins play a major role in health, and their deficiency may be linked to symptoms of optic-nerve dysfunction, the association between serum vitamin levels and glaucoma in humans remains controversial. In this study, articles in the PubMed, Web of Science, and EMBASE databases were searched up to 25March 2017. Nine studies on primary open-angle glaucoma (POAG), four studies on normal tension glaucoma (NTG), and six studies on exfoliative glaucoma (EXG) were retrieved. The combined results showed no differences in the levels of serum vitamin B₆ between POAG (p = 0...
June 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28628626/is-normal-tension-glaucoma-a-risk-factor-for-stroke-a-10-year-follow-up-study
#14
Meng-Sheng Lee, Li-Lin Kuo, Elise Chia-Hui Tan, Oscar K Lee
OBJECTIVES: To investigate whether patients with normal-tension glaucoma (NTG) have a higher incidence of stroke. DESIGN: A population-based retrospective cohort study based on data from the Taiwan National Health Insurance Research Database (NHIRD) from January 1, 2001, to December 31, 2010. METHODS: Data were retrospectively collected from the NHIRD. A total of 245 (20.1%) patients with a history of stroke at the time of glaucoma diagnosis were excluded, and 1,218 patients with NTG who were 20 years of age and older were identified...
2017: PloS One
https://www.readbyqxmd.com/read/28621876/social-health-and-ocular-factors-associated-with-primary-open-angle-glaucoma-amongst-chinese-singaporeans
#15
Nathalie Chiam, Mani Baskaran, Zheng Li, Shamira Perera, David Goh, Rahat Husain, Chiea Chuen Khor, Ching-Yu Cheng, Tin Aung FRCOphth, Eranga N Vithana
IMPORTANCE: There is limited literature on the association of lifestyle and health factors related to primary open angle glaucoma amongst Asians. BACKGROUND: This study evaluated the association of primary open angle glaucoma with smoking, health and ocular factors among Chinese Singaporeans. DESIGN: Case-control study PARTICIPANTS: 711 primary open angle glaucoma patients from a Singapore hospital and 2788 population-based controls. METHODS: Subjects underwent clinical examination and completed a questionnaire with details on family history of glaucoma, comorbidities, smoking, alcohol consumption, age at menopause and use of hormone replacement therapy...
June 16, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28571810/predictive-role-of-neutrophil-to-lymphocyte-ratio-and-platelet-to-lymphocyte-ratio-in-normal-tension-glaucoma
#16
Kursat Atalay, Havva Kaldirim Erdogan, Ahmet Kirgiz, Senay Asik Nacaroglu
As a type of primary open-angle glaucoma, normal-tension glaucoma (NTG) is a health problem that manifests itself with low intraocular pressure (IOP) levels and preserves its importance for public health care. In population-based screenings, which take the IOP levels of 21mmHg as a cut-off for the diagnosis of glaucoma, the diagnosis is usually delayed, and the treatment is started in an advanced stage by the referred ophthalmologists. NTG is associated with some autoimmune conditions and systemic diseases, such as paraproteinemia, nocturnal hypotension, and migraine...
June 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28564702/associations-between-%C3%AE-peripapillary-atrophy-and-reticular-pseudodrusen-in-early-age-related-macular-degeneration
#17
Aakriti Garg, Dana M Blumberg, Lama A Al-Aswad, Maris Oll, Suzanne Yzer, Max Forbes, Rando L Allikmets, Srilaxmi Bearelly
Purpose: Choroidal thinning has been associated with reticular pseudodrusen (RPD) and β-peripapillary atrophy (β-PPA), which have been linked to normal-tension glaucoma (NTG). This analysis sought to determine whether RPD are independently associated with β-PPA in early AMD patients. Secondary outcomes included the association of RPD and preexisting diagnosis of glaucoma, cup-to-disc ratio (CDR), subfoveal choroidal thickness (SFCT), and IOP. Methods: This prospective cross-sectional study examined 78 age- and sex-matched early AMD patients: 43 RPD patients (63 eyes) and 35 non-RPD patients (64 eyes)...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28550431/impact-of-intraocular-pressure-reduction-on-visual-field-progression-in-normal-tension-glaucoma-followed-up-over-15%C3%A2-years
#18
Shinya Oie, Kyoko Ishida, Tetsuya Yamamoto
PURPOSE: To investigate the impact of surgical or medical reduction of intraocular pressure (IOP) on progressive normal-tension glaucoma followed up over 15 years. METHODS: Sixty eyes of 60 patients were divided into 3 intervention groups: group 1 (trabeculectomy, n = 17); group 2 (IOP reduction rate ≥15% with prostaglandin analogs, n = 24); and group 3 (IOP reduction rate <15% with prostaglandin analogs, n = 19). The preintervention and postintervention mean deviation (MD) slopes and IOP were compared...
July 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28538978/the-characteristics-of-deep-optic-nerve-head-morphology-in-myopic-normal-tension-glaucoma
#19
Jong Chul Han, Eun Jung Lee, Si Bum Kim, Changwon Kee
Purpose: To investigate the relationship between axial length (AL) and deep optic nerve head (ONH) structure and to evaluate the characteristics of deep ONH structures in myopic normal tension glaucoma (NTG). Methods: The following parameters were assessed using spectral-domain optical coherence tomography (SD-OCT): externally oblique border tissue (EOBT) length, ONH tilt angle, optic canal (OC) obliqueness, and β-zone peripapillary atrophy (PPA). In addition, the angular location of the maximal value of each parameter and retinal nerve fiber layer (RNFL) defect were measured using infrared and red-free photos...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28508306/multicenter-randomized-investigator-masked-study-comparing-brimonidine-tartrate-0-1-and-timolol-maleate-0-5-as-adjunctive-therapies-to-prostaglandin-analogues-in-normal-tension-glaucoma
#20
Shiro Mizoue, Koji Nitta, Motohiro Shirakashi, Akiyoshi Nitta, Shigeki Yamabayashi, Tairo Kimura, Toshihiko Ueda, Ryuji Takeda, Shun Matsumoto, Keiji Yoshikawa
INTRODUCTION: This study compared the efficacy and safety of adjunctive brimonidine tartrate 0.1% ophthalmic solution (brimonidine) and timolol maleate 0.5% ophthalmic solution (timolol) in prostaglandin analogue (PGA)-treated normal-tension glaucoma (NTG), assessing the non-inferiority of brimonidine in terms of intraocular pressure (IOP) reduction. METHODS: In this multicenter, randomized, investigator-masked, parallel-group, clinical study, adjunctive brimonidine or timolol was administered twice daily for 12 weeks in eyes with NTG that had been treated with PGA for at least 90 days and required additional treatment despite an IOP of 16 mmHg or less...
May 15, 2017: Advances in Therapy
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