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Tension normal glaucoma

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https://www.readbyqxmd.com/read/28538978/the-characteristics-of-deep-optic-nerve-head-morphology-in-myopic-normal-tension-glaucoma
#1
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
#2
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
https://www.readbyqxmd.com/read/28505344/genetics-of-glaucoma
#3
Janey L Wiggs, Louis R Pasquale
Genetic and genomic studies, including genome-wide association studies (GWAS) have accelerated the discovery of genes contributing to glaucoma, the leading cause of irreversible blindness world-wide. Glaucoma can occur at all ages, with Mendelian inheritance typical for rare early onset disease (before age 40) and complex inheritance evident in common adult-onset forms of disease. Recent studies have suggested possible therapeutic targets for some patients with early-onset glaucoma based on the molecular and cellular events caused by MYOC, OPTN and TBK1 mutations...
May 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28502035/prospective-observational-post-marketing-study-of-tafluprost-for-glaucoma-and-ocular-hypertension-effectiveness-and-treatment-persistence
#4
Yasuaki Kuwayama, Masako Hashimoto, Reiko Kakegawa, Akio Nomura, Fumiki Shimada
INTRODUCTION: The aim of this study was to investigate the long-term intraocular pressure (IOP)-lowering effect and safety of tafluprost, a prostaglandin analogue, in actual clinical practice and to determine persistency of tafluprost as an indicator of its benefit-risk balance. METHODS: This was a large-scale, post-marketing, multicenter, non-interventional, open-label, long-term study. Patients with glaucoma or ocular hypertension who initiated tafluprost treatment were registered and prospectively observed over a 2-year period in the real-world setting in Japan...
May 13, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28499984/systemic-pten-akt1-mtor-pathway-activity-in-patients-with-normal-tension-glaucoma-and-ocular-hypertension-a-case-series
#5
Gerassimos Lascaratos, Kai-Yin Chau, Haogang Zhu, Despoina Gkotsi, Deborah Kamal, Ivan Gout, Philip J Luthert, Anthony H V Schapira, David F Garway-Heath
Glaucoma is the most common optic neuropathy in humans and the leading cause of irreversible blindness worldwide. Its prevalence and incidence increase exponentially with ageing and raised intraocular pressure (IOP), while increasing evidence suggests that systemic mitochondrial abnormalities may also be implicated in its pathogenesis. We have recently shown that patients who have not developed glaucoma despite being exposed for many years to high IOP (ocular hypertension - OHT) have more efficient mitochondria, measured in peripheral blood lymphocytes, when compared to age-similar controls and fast progressing normal tension glaucoma (NTG) patients...
May 9, 2017: Mitochondrion
https://www.readbyqxmd.com/read/28486275/evaluation-of-optic-nerve-head-and-peripapillary-choroidal-vasculature-using-swept-source-optical-coherence-tomography-angiography
#6
Kyeong Ik Na, Won June Lee, Young Kook Kim, Jin Wook Jeoung, Ki Ho Park
PURPOSE: The authors visualized arterioles from the peripapillary choroid to the optic nerve head in vivo, using swept-source optical coherence tomography angiography. METHODS AND RESULTS: In this case series, we present 3 eyes with visible centripetal branches from the peripapillary choroid. The 3 eyes were diagnosed as glaucoma suspect, normal-tension glaucoma, and primary open-angle glaucoma. In the en face projection images of the choroidal layer, obtained by swept-source optical coherence tomography angiography, the vessels from the peripapillary choroid to the optic nerve head were observed in all 3 eyes; one of them was further evaluated by indocyanine green angiography using the Heidelberg retina angiograph...
May 8, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28484644/long-term-clinical-course-of-normal-tension-glaucoma-20-years-of-experience
#7
Sang Wook Jin, Seung Yoon Noh
Purpose. The purpose of this study was to investigate the long-term clinical course of NTG patients who initiated intraocular pressure- (IOP-) lowering therapy. Methods. The present study included 72 normal-tension glaucoma (NTG) patients. The mean deviation (MD) was measured with visual fields. Nocturnal hypotension with weighted standard deviation (wSD) was determined by 24-hour ambulatory blood pressure monitoring. To identify risk factors for NTG progression, linear logistic regression analysis was employed...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28452990/relationship-between-the-optic-nerve-sheath-diameter-and-lumbar-cerebrospinal-fluid-pressure-in-patients-with-normal-tension-glaucoma
#8
A Pircher, M Montali, J Berberat, L Remonda, H E Killer
PurposeTo investigate on the relationship between the optic nerve sheath diameter (ONSD) and the lumbar cerebrospinal fluid pressure (CSF-p) in Caucasian patients with normal tension glaucoma (NTG).Patients and methodsRetrospective analysis of medical records of patients with open-angle glaucoma in the period from 2005 to 2015 from the Ophthalmology Department, Cantonal Hospital Aarau, Switzerland was performed. A total of 38 patients (mean age 68.6±11.3 years, 21 females and 17 males) fulfilled the diagnostic criteria of NTG and underwent computed tomography (CT) of the orbit and lumbar puncture (LP)...
April 28, 2017: Eye
https://www.readbyqxmd.com/read/28435208/is-high-myopia-a-risk-factor-for-visual-field-progression-or-disk-hemorrhage-in-primary-open-angle-glaucoma
#9
Koji Nitta, Kazuhisa Sugiyama, Ryotaro Wajima, Gaku Tachibana
PURPOSE: The purpose of this study was to clarify differences between highly myopic and non-myopic primary open-angle glaucoma (POAG) patients, including normal-tension glaucoma patients. PATIENTS AND METHODS: A total of 269 POAG patients were divided into two groups: patients with ≥26.5 mm of axial length (highly myopic group) and patients with <24.0 mm of axial length (non-myopic group). RESULTS: We analyzed 53 highly myopic and 93 non-myopic POAG patients...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28429123/optical-coherence-tomography-angiography-vessel-density-mapping-at-various-retinal-layers-in-healthy-and-normal-tension-glaucoma-eyes
#10
Joong Won Shin, Kyung Rim Sung, Ji Yun Lee, Junki Kwon, Mincheol Seong
PURPOSE: To investigate peripapillary vessel density at various spatial locations and layers in healthy and normal tension glaucoma eyes using optical coherence tomography angiography (OCTA). METHODS: A commercial OCTA device (AngioPlex; Carl Zeiss Meditec) was used to image microvasculature in a 6 × 6-mm optic disc region. Vessel densities of superficial and deep retinal layers were calculated using an automatic thresholding algorithm. Vessel density maps were plotted by averaging individual angiogram images...
April 20, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28424747/association-between-optic-nerve-head-microcirculation-and-macular-ganglion-cell-complex-thickness-in-eyes-with-untreated-normal-tension-glaucoma-and-a-hemifield-defect
#11
Ayako Anraku, Kyoko Ishida, Nobuko Enomoto, Seiji Takagi, Hiroyuki Ito, Asuka Takeyama, Fumihiko Yagi, Goji Tomita
Purpose. We evaluated the association between optic nerve head (ONH) microcirculation and macular ganglion cell complex (mGCC) thickness in patients with untreated normal tension glaucoma (NTG) and a hemifield defect. Methods. The medical records of 47 patients with untreated NTG were retrospectively reviewed. Laser speckle flowgraphy was used to obtain mean blur rate (MBR), a relative measure of blood flow. Average total deviation (TD), mGCC, and the circumpapillary retinal nerve fiber layer (cpRNFL) thickness were also analyzed...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28416494/long-term-clinical-course-of-normotensive-preperimetric-glaucoma
#12
Akira Sawada, Yusuke Manabe, Tetsuya Yamamoto, Chisato Nagata
AIMS: To evaluate the long-term clinical course of normotensive preperimetric glaucoma (PPG). METHODS: We retrospectively analysed 130 eyes of 130 patients initially diagnosed as having preperimetric normal tension glaucoma and followed these cases for at least 5 years with reliable visual field (VF) examinations by standard automated perimetry. When the VF defect (VFD) met Anderson-Patella's criteria on three or more consecutive examinations, and consistently met the criteria on subsequent examinations, we concluded that a glaucomatous VFD was present...
April 17, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28374269/effect-of-glaucoma-implant-surgery-on-intraocular-pressure-reduction-flare-count-anterior-chamber-depth-and-corneal-endothelium-in-primary-open-angle-glaucoma
#13
Kyoko Ishida, Naoya Moroto, Kazuhiro Murata, Tetsuya Yamamoto
PURPOSE: To evaluate the effect of filtering surgery using the EX-PRESS device on intraocular pressure (IOP), flare count, anterior chamber (AC) depth, and the corneal endothelium in primary open-angle glaucoma (POAG), including normal-tension glaucoma (NTG). PATIENTS AND METHODS: The study comprised 63 consecutive patients with POAG or NTG. They underwent complete ophthalmologic examinations, including measurement of visual acuity (VA), IOP, flare count, AC depth, and cell density of the corneal endothelium (CE)...
April 3, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28348633/differentiating-leber-hereditary-optic-neuropathy-from-normal-tension-glaucoma
#14
Fernanda Maria Silveira Souto, José Paulo Cabral de Vasconcellos, Mônica Barbosa de Melo, Edi Lúcia Sartorato, Frederico Castelo Moura
Glaucoma is a neurodegenerative disorder characterized by thinning of neuroretinal rim, enlarged cup-to-disc ratio (CDR) and visual field damage. Although raised intraocular pressure is main risk factor for development of glaucoma, it can occur with consistently normal measurements in the intraocular pressure as normal tension glaucoma (NTG). Enlargement of CDR is a classical sign of glaucoma, but it can also result from non-glaucomatous optic neuropathies such as Leber hereditary optic neuropathy (LHON). We describe a case of LHON with increased CDR, discuss its differential diagnosis with NTG and highlight the reasons for misdiagnoses between these two entities...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28333895/visual-field-defects-in-young-patients-with-open-angle-glaucoma-comparison-between-high-tension-and-normal-tension-glaucoma
#15
Ji-Hye Park, Chungkwon Yoo, Jinhwan Park, Yong Yeon Kim
PURPOSE: To investigate the clinical features of young Korean patients with open-angle glaucoma (OAG), and to compare visual field (VF) defects between patients with normal-tension glaucoma (NTG) and those with high-tension glaucoma (HTG). MATERIALS AND METHODS: Patients with OAG younger than 40 years of age were divided into NTG and HTG groups based on untreated intraocular pressure (IOP) level. The patients were matched according to the mean deviation of standard automated perimetry...
March 22, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28315568/diurnal-blood-pressure-parameters-in-normal-tension-glaucoma-primary-open-angle-glaucoma-and-healthy-subjects
#16
Tolga Kocatürk, Çağdaş Akgüllü, Gökhan E Evliçoğlu, İmran K Ömürlü, Harun Çakmak, Ufuk Eryılmaz, Volkan Dayanır
OBJECTIVE: The pathophysiology of glaucoma is still undisclosed. Cardiovascular hemodynamic changes are hypothesized to contribute to glaucoma. This study aimed to determine the differences in the diurnal blood pressure (BP) of patients with normal tension glaucoma (NTG), primary open angle glaucoma (POAG), and controls without glaucoma. METHODS: A total of 129 patients were included in this study. The day-night average systolic and diastolic BPs, the day-night average pulse pressures (PPs), the day-night average heart rates, and the percentage of BP decline at night were obtained from the Holter devices and compared...
March 9, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28306361/visual-field-progression-is-associated-with-systemic-concentration-of-macrophage-chemoattractant-protein-1-in-normal-tension-glaucoma
#17
Na Young Lee, Min Hee Kim, Chan Kee Park
PURPOSE: To investigate the associations between endothelin-1 (ET-1) and macrophage chemoattractant protein-1 (MCP-1) levels and visual field (VF) progression in normal-tension glaucoma (NTG). METHODS: We conducted a prospective, longitudinal study in 71 patients with NTG. Blood samples from all subjects were assayed for ET-1 and MCP-1 concentrations, and baseline ophthalmic examinations, including the VF, were performed. Baseline data were compared with follow-up data over 3 years...
March 17, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28288589/choroidal-infarction-in-a-glaucoma-patient-with-flammer-syndrome-a-case-report-with-a-long-term-follow-up
#18
Barbara Terelak-Borys, Iwona Grabska-Liberek, Anita Piekarniak-Wozniak, Katarzyna Konieczka
BACKGROUND: We present a long term follow-up of a young female patient with choroidal infarction, primary open angle glaucoma and Flammer syndrome. The patient had no classical risk factors for vascular occlusions, except for the presence of Flammer syndrome. The essential feature of this syndrome is primary vascular dysregulation, sometimes including vasospasm. The vessels of affected people respond more intensely to a number of stimuli, such as coldness or emotional stress. Any organ can be involved, including parts of the eye...
March 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28285308/clinical-features-of-japanese-patients-with-central-retinal-vein-occlusion-complicated-by-normal-tension-glaucoma-a-retrospective-study
#19
Teruyo Kida, Masanori Fukumoto, Takaki Sato, Hidehiro Oku, Tsunehiko Ikeda
PURPOSE: The association of central retinal vein occlusion (CRVO) with primary open-angle glaucoma (POAG) or ocular hypertension has been reported, and lowering intraocular pressure (IOP) helps to improve the retinal circulation in eyes with CRVO. However, the clinical features of CRVOs with normal-tension glaucoma (NTG) are not well known. Therefore, we investigated Japanese CRVO patients with NTG. METHODS: We retrospectively investigated 234 CRVO patients over 5 years, with follow-ups of more than 12 months, and evaluated the prevalence of glaucoma...
2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28282064/predicting-the-risk-of-parafoveal-scotoma-in-myopic-normal-tension-glaucoma-role-of-optic-disc-tilt-and-rotation
#20
M S Sung, H Heo, Y S Ji, S W Park
PurposeThe purpose of the study was to evaluate the factors associated with development of parafoveal scotoma in early myopic normal tension glaucoma (NTG).Patients and methodsNinety-nine myopic NTG patients with mean deviation (MD) >-6.0 decibels (dB) were enrolled. Parafoveal scotoma was defined as a visual field (VF) defect within 10° of fixation with at least one point at P<1% lying at the four innermost central points. Systemic factors, optic disc characteristics including tilt ratio, rotation degree, β-zone parapapillary atrophy, disc hemorrhage, and peripapillary retinal nerve fiber layer and macular ganglion cell-inner plexiform layer (mGCIPL) thickness parameters using optical coherence tomography were evaluated...
March 10, 2017: Eye
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