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OCT for glaucoma optic nerve

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https://www.readbyqxmd.com/read/29027590/diagnostic-utility-of-combined-retinal-ganglion-cell-count-estimates-in-japanese-glaucoma-patients
#1
Mari Sakamoto, Sotaro Mori, Kaori Ueda, Azusa Akashi, Yukako Inoue, Takuji Kurimoto, Akiyasu Kanamori, Yuko Yamada, Makoto Nakamura
PURPOSE: To assess the combined estimate of retinal ganglion cell (RGC) count developed by Medeiros et al. as a tool for diagnosis of glaucoma in Japanese patients. STUDY DESIGN: Cross-sectional study. METHODS: Thirty-one eyes of 19 healthy controls and 106 eyes of 70 glaucoma patients underwent standard automated perimetry (SAP) and three types of spectral domain optical coherence tomography (SD-OCT) imaging using the Cirrus, RTVue, and 3D-OCT instruments...
October 13, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28984709/measurement-of-optic-disc-cup-surface-depth-using-cirrus-hd-oct
#2
Young Kook Kim, Ahnul Ha, Won June Lee, Jin Wook Jeoung, Ki Ho Park
PURPOSE: To introduce the measurement method of optic disc cup surface depth using spectral-domain optical coherence tomography (SD-OCT) and then evaluate the rates of cup surface depression at three different stages of glaucoma. METHODS: We retrospectively identified 52 eyes with preperimetric glaucoma, 56 with mild-or-moderate glaucoma and 50 with severe glaucoma and followed them for at least 48 months. Eyes were imaged using SD-OCT (Cirrus™ HD-OCT) at 12-month intervals...
September 3, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28980734/are-optic-nerve-heads-of-patients-with-helicobacter-pylori-infection-more-susceptible-to-glaucomatous-damage
#3
Cemile Ucgul Atilgan, Pinar Kosekahya, Ahmet Yozgat, Emine Sen, Nilufer Berker, Mehtap Caglayan, Selam Yekta Sendul, Emin Altiparmak, Pelin Yilmazbas
BACKGROUND: To compare retinal nerve fiber layer thicknesses (RNFLT) of patients with or without Helicobacter pylori infection and to reveal the possible RNFLT changes after H. pylori eradication. MATERIALS AND METHODS: Sixty-five eyes of 65 patients that tested positive for H. pylori (Group 1) and 48 eyes of 48 patients that tested negative for H. pylori (Group 2) were included. RNFLT analyses were performed with spectral-domain (SD) optical coherence tomography (OCT) in a total of five regions: the superior, inferior, nasal, and temporal quadrants and the average...
October 5, 2017: Helicobacter
https://www.readbyqxmd.com/read/28975766/changes-in-thickness-of-central-macula-and-retinal-nerve-fibre-layer-in-severe-hypertensive-retinopathy-a-1-year-longitudinal-study
#4
Han-Min Lee, Woo-Hyuk Lee, Kyong Nam Kim, Young Joon Jo, Jung Yeul Kim
OBJECTIVE: To analyse the longitudinal changes in the thickness of the central macula and retinal nerve fibre layer (RNFL) in patients with hypertensive retinopathy (HTNR) using spectral-domain optical coherence tomography (SD-OCT). METHODS: This was a prospective cohort study. We studied 18 eyes of patients with HTNR of grade IV who had been followed up for more than 1 year, and 36 normal eyes (without any relevant medical history; the control group). Antihypertensive treatment successfully normalized the blood pressure of HTNR patients...
October 4, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28973002/usefulness-of-axonal-tract-dependent-oct-macular-sectors-for-evaluating-structural-change-in-normal-tension-glaucoma
#5
Kazuko Omodaka, Tsutomu Kikawa, Yukihiro Shiga, Satoru Tsuda, Yu Yokoyama, Haruka Sato, Junko Ohuchi, Akiko Matsumoto, Hidetoshi Takahashi, Masahiro Akiba, Toru Nakazawa
PURPOSE: To identify sectors of the optical coherence tomography (OCT) macular map that could be used to effectively assess structural progression in patients with normal-tension glaucoma (NTG). METHODS: This study examined 117 eyes of 117 NTG patients to establish axonal tract-dependent macular sectors, and also examined a separate group of 122 eyes of 81 NTG patients to evaluate the ability of these sectors to reveal glaucoma progression. Longitudinal data, including macular maps from at least 5 OCT examinations performed over at least 2 years, was available for all patients in this group...
2017: PloS One
https://www.readbyqxmd.com/read/28964806/comparison-of-glaucoma-progression-detection-by-optical-coherence-tomography-and-visual-field
#6
Xinbo Zhang, Anna Dastiridou, Brian A Francis, Ou Tan, Rohit Varma, David S Greenfield, Joel S Schuman, David Huang
PURPOSE: To compare longitudinal glaucoma progression detection using optical coherence tomography (OCT) and visual field (VF). DESIGN: Validity assessment METHOD: We analyzed subjects with more than 5 follow-up visits (every 6 months) in the multi-center Advanced Imaging for Glaucoma Study. Fourier-domain optical coherence tomography (OCT) was used to map the thickness of the peripapillary retinal nerve fiber layer (NFL) and ganglion cell complex (GCC). OCT-based progression detection was defined as a significant negative trend for either NFL or GCC...
September 27, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28945811/retinal-thinning-in-amyotrophic-lateral-sclerosis-patients-without-ophthalmic-disease
#7
Nisha Mukherjee, Shan McBurney-Lin, Anthony Kuo, Richard Bedlack, Henry Tseng
IMPORTANCE: Amyotrophic lateral sclerosis (ALS) is a fatal, rapidly progressive neurodegenerative disease that primarily affects motor neurons. Recently, three causative genes have been implicated in both ALS and glaucoma. However, it is still uncertain whether patients with ALS have neurodegeneration in their retinas. If so, retinal thickness measurements might be a useful biomarker for ALS progression. Previous work in this area has been inconclusive, as it has not taken into account the effect of ophthalmic diseases on retinal thinning...
2017: PloS One
https://www.readbyqxmd.com/read/28937876/pilot-study-of-the-pulsatile-neuro-peripapillary-retinal-deformation-in-glaucoma-and-its-relationship-with-glaucoma-risk-factors
#8
Maribel Hidalgo-Aguirre, Santiago Costantino, Mark Richard Lesk
PURPOSE: To perform a pilot study of the neuro-peripapillary retinal tissue deformation during the cardiac cycle among healthy eyes, ocular hypertensive (OHT), open angle glaucoma suspect (OAG-S), and early open angle glaucoma (EOAG) patients using video rate optical coherence tomography (OCT) image series. METHODS: OCT line scan sequences of the same region of the optic nerve head (ONH) were obtained from 15 EOAG, 6 OHT, 10 OAG-S, and 10 healthy age-matched eyes...
September 22, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28931299/-steroid-induced-glaucoma-as-a-complication-of-atopic-eczema-local-treatment
#9
T Řeháková, A Stepanov, N Jirásková
The authors present case reports of two young women, who visited the outpatient Department of Ophthalmology clinic, University Hospital in Hradec Králové with lacklustre subjective eye complaints lasting over few weeks. It the beginning high values of intraocular pressure in both eyes and severe glaucomatous damage of the optic nerve head were find out, which was confirm using perimetry and OCT (optical coherence tomography). The anamnesis has shown that both patients have been treated for atopic eczema since their childhood...
2017: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/28928966/optical-coherence-tomography-angiography-in-glaucoma-a-mini-review
#10
REVIEW
Kelvin H Wan, Christopher K S Leung
The advent of optical coherence tomography angiography (OCT-A) provides a new opportunity to visualize the retinal vasculature in a non-invasive and dye-free manner which may help identify vascular abnormalities in glaucoma. While a reduction in retinal and optic nerve head vessel densities and blood flow indexes measured by OCT-A has been demonstrated in patients with glaucoma in many studies, it is unclear whether OCT-A provides additional information for the detection and monitoring of glaucoma compared with OCT measurements such as retinal nerve fiber layer thickness, neuroretinal rim width, and ganglion cell inner plexiform layer thickness...
2017: F1000Research
https://www.readbyqxmd.com/read/28922031/optic-nerve-head-characteristics-in-chronic-angle-closure-glaucoma-detected-by-swept-source-oct
#11
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/28910159/glaucoma-diagnostic-ability-of-the-optical-coherence-tomography-angiography-vessel-density-parameters
#12
Jae Keun Chung, Young Hoon Hwang, Jae Min Wi, Mijin Kim, Jong Jin Jung
PURPOSE: To investigate the glaucoma diagnostic abilities of vessel density parameters as determined by optical coherence tomography (OCT) angiography in different stages of glaucoma. MATERIALS AND METHODS: A total of 113 healthy eyes and 140 glaucomatous eyes were enrolled. Diagnostic abilities of the OCT vessel density parameters in the optic nerve head (ONH), peripapillary, and macular regions were evaluated by calculating the area under the receiver operation characteristic curves (AUCs)...
September 14, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28898515/age-related-changes-in-and-determinants-of-macular-ganglion-cell-inner-plexiform-layer-thickness-in-normal-chinese-adults
#13
Yan Jiao Huo, Yan Guo, Lei Li, Huai Zhou Wang, Ya Xing Wang, Ravi Thomas, Ning Li Wang
IMPORTANCE: Consideration of age-related changes in macular ganglion cell-inner plexiform layer (mGCIPL) thickness are important for glaucoma progression analysis. BACKGROUND: To report age-related changes in and the determinants of high-definition optical coherence tomography (HD-OCT) measurements of mGCIPL thickness. DESIGN: Cross-sectional study. PARTICPANTS: 326 healthy adults. METHODS: All subjects underwent Cirrus HD-OCT measurements of mGCIPL...
September 12, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28882597/the-acute-and-chronic-effects-of-intravitreal-anti-vascular-endothelial-growth-factor-injections-on-intraocular-pressure-a-review
#14
REVIEW
Peter Bracha, Nicholas A Moore, Thomas A Ciulla, Darrell WuDunn, Louis B Cantor
The acute and chronic effects of repeated intravitreal anti-vascular endothelial growth factor (VEGF) injections on intraocular pressure (IOP) have not been fully characterized and the development of sustained ocular hypertension could adversely affect patients who are at risk of glaucomatous optic neuropathy. As expected, volume-driven, acute ocular hypertension immediately follows intravitreal injection, but this pressure elevation is generally transient and well-tolerated. Several medications have been investigated to limit acute ocular hypertension following anti-VEGF therapy, but the benefits of pretreatment are not conclusive...
September 4, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28875349/variations-in-optic-nerve-head-morphology-by-intraocular-pressure-in-open-angle-glaucoma
#15
Aaron Wong, Kaliopy Matheos, Zak Prime, Helen V Danesh-Meyer
PURPOSE: To compare optic disc topography in eyes in three intraocular pressure (IOP) groups of <15 mmHg, 15-20 mmHg, and ≥21 mmHg using spectral domain optical coherence tomography (SD-OCT) and confocal scanning laser ophthalmoscopy, adjusting for the degree of damage, as measured by retinal nerve fiber layer (RNFL) thickness and average visual field loss. METHODS: A total of 184 eyes of 112 patients with primary open-angle glaucoma were recruited into groups based on baseline untreated intraocular pressure (IOP) of <15 mmHg (normal-tension glaucoma [NTG], very low), 15-20 mmHg (NTG, medium), or ≥21 mmHg (high-tension glaucoma [HTG])...
November 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28875347/the-relationship-between-contrast-sensitivity-and-retinal-nerve-fiber-layer-thickness-in-patients-with-glaucoma
#16
Sarah Amanullah, Joseph Okudolo, Kamran Rahmatnejad, Shuai-Chun Lin, Sheryl S Wizov, Remy S Manzi Muhire, Lisa A Hark, Cindy X Zheng, Tingting Zhan, George L Spaeth
PURPOSE: To evaluate the correlation between contrast sensitivity (CS) and retinal nerve fiber layer (RNFL) in different areas of vision. METHODS: This report is a sub-analysis of a prospective, observational cohort study investigating changes in performance-based assessment, vision-related quality of life, and clinical measures in patients with moderate to advanced glaucoma. The study included 161 participants with at least a 2-year history of glaucoma who underwent annual testing for 4 years...
September 5, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28862734/utility-of-bruch-membrane-opening-based-optic-nerve-head-parameters-in-myopic-subjects
#17
Marina Sastre-Ibañez, Jose M Martinez-de-la-Casa, Gema Rebolleda, Pilar Cifuentes-Canorea, Maria Nieves-Moreno, Laura Morales-Fernandez, Federico Saenz-Frances, Julian Garcia-Feijoo
PURPOSE: To evaluate whether the new rim analysis software with spectral-domain optical coherence tomography (SD-OCT) shows advantages over the retinal nerve fiber layer (RNFL) thickness in patients with moderate myopia. METHODS: In this prospective cross-sectional study, we studied 65 healthy subjects, 37 with spherical refractive errors in the range of -3 to -6 D (moderate, G1) and 28 with less than -3 D (low/non-myopic, G0). All patients were examined with Heidelberg Spectralis SD-OCT, including Glaucoma Premium Module Edition (GPME) software...
August 11, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28859176/comparison-of-peripapillary-vessel-density-between-preperimetric-and-perimetric-glaucoma-evaluated-by-oct-angiography
#18
Si Bum Kim, Eun Jung Lee, Jong Chul Han, Changwon Kee
PURPOSE: To determine peripapillary vessel density in eyes with perimetric glaucoma (PG) or preperimetric glaucoma (PPG) compared to normal controls using optical coherence tomography-angiography (OCT-A). METHODS: We recruited 13 patients with unilateral perimetric normal-tension glaucoma (NTG) and fellow preperimetric NTG showing only inferotemporal retinal nerve fiber layer (RNFL) defect in red-free RNFL photography in both eyes. We also enrolled 9 healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28858159/reproducibility-of-optical-coherence-tomography-angiography-macular-and-optic-nerve-head-vascular-density-in-glaucoma-and-healthy-eyes
#19
Patricia I C Manalastas, Linda M Zangwill, Luke J Saunders, Kaweh Mansouri, Akram Belghith, Min Hee Suh, Adeleh Yarmohammadi, Rafaella C Penteado, Tadamichi Akagi, Takuhei Shoji, Robert N Weinreb
PURPOSE: Optical coherence tomography angiography (OCT-A) is a noninvasive technology that allows visualization of retinal blood vessels. It is important to determine reproducibility of measurements as low precision can impair its diagnostic capabilities. The purpose of this study is to determine intravisit and intervisit reproducibility of optic nerve head (ONH) and macular vessel density measurements with OCT-A. PATIENTS AND METHODS: Fifteen healthy volunteers and 14 glaucoma patients completed 2 OCT-A (AngioVue; Optovue Inc...
October 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28858152/prevalence-and-associated-factors-of-segmentation-errors-in-the-peripapillary-retinal-nerve-fiber-layer-and-macular-ganglion-cell-complex-in-spectral-domain-optical-coherence-tomography-images
#20
Astuya Miki, Miho Kumoi, Shinichi Usui, Takao Endo, Rumi Kawashima, Takeshi Morimoto, Kenji Matsushita, Takashi Fujikado, Kohji Nishida
PURPOSE: To determine the prevalence of errors in segmentation of the peripapillary retinal nerve fiber layer (RNFL) and macular ganglion cell complex (GCC) boundary in spectral-domain optical coherence tomography (SDOCT) images, and to identify factors associated with the errors. PATIENTS AND METHODS: Peripapillary RNFL circle scans and macular three-dimensional scans of consecutive cases imaged with SDOCT (RS-3000 Advance; Nidek, Gamagori, Japan) were retrospectively reviewed by a glaucoma specialist...
August 28, 2017: Journal of Glaucoma
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