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https://www.readbyqxmd.com/read/28344667/m%C3%A3-ller-cells-and-retinal-axons-can-be-primary-targets-in-experimental-neuromyelitis-optica-spectrum-disorder
#1
REVIEW
Bleranda Zeka, Hans Lassmann, Monika Bradl
Recent work from our laboratory, using different models of experimental neuromyelitis optica spectrum disorder (NMOSD), has led to a number of observations that might be highly relevant for NMOSD patients. For example: (i) in the presence of neuromyelitis optica immunoglobulin G, astrocyte-destructive lesions can be initiated by CD4+ T cells when these cells recognize aquaporin 4 (AQP4), but also when they recognize other antigens of the central nervous system. The only important prerequisite is that the T cells have to be activated within the central nervous system by "their" specific antigen...
January 2017: Clinical & Experimental Neuroimmunology
https://www.readbyqxmd.com/read/28341831/the-relationship-between-retinal-nerve-fibre-layer-thickness-profiles-and-corvisst-tonometry-measured-biomechanical-properties-in-young-healthy-subjects
#2
Masato Matsuura, Hiroshi Murata, Shunsuke Nakakura, Yoshitaka Nakao, Takehiro Yamashita, Kazunori Hirasawa, Yuri Fujino, Yoshiaki Kiuchi, Ryo Asaoka
We previously reported that a shallow circumpapillary retinal nerve fiber layer (cpRNFL) peak angle as measured by optical coherence tomography (OCT) suggests the temporal retina is stretched around the optic disc from the papillo-macular bundle (Yamashita T et al. Investigative Ophthalmol Vis Sci 2013). The purpose of the current study was to investigate the relationship between CorvisST tonometry (CST) corneal measurements, axial length (AL) and the change in OCT-measured cpRNFL peak angle, in young healthy subjects...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28339297/long-term-effect-of-panretinal-photocoagulation-on-spectral-domain-optical-coherence-tomography-measurements-in-diabetic-retinopathy
#3
Haeng-Jin Lee, Tae-Seen Kang, Baek-Soo Kwak, Young-Joon Jo, Jung-Yeul Kim
PURPOSE: To evaluate the effects of panretinal photocoagulation on spectral domain optical coherence tomography measurements in diabetic retinopathy by comparing the thicknesses of the central macula, retinal nerve fiber layer, and ganglion cell layer, we used a Cirrus HD OCT® (Carl Zeiss Meditec, Dublin, CA, USA) in normal and diabetic retinopathy cohorts. METHODS: We analyzed patients who visited our retinal clinic between May 2013 and July 2014. The patients were classified into four groups: normal (Group A), diabetes without diabetic retinopathy (Group B), severe nonproliferative or proliferative diabetic retinopathy (Group C), and at least 3 years after panretinal photocoagulation treatment (Group D)...
March 24, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28336281/-optic-disc-changes-by-optical-coherence-tomography-in-optic-disc-edema-in-lom%C3%A3
#4
M A K Santos, K Vonor, D K Ayena, K R Kuaovi, K P Balo
OBJECTIVE: To study the influence of optic disc edema (ODE) on the dimensions of the disc and the thickness of the retinal nerve fiber layer (RNFL) by optical coherence tomography (OCT) in Lomé. PATIENTS AND METHODS: This was a retrospective study which took place in a general ophthalmology office in the city. Twenty-six eyes were examined for ODE (cases) between January 2013 and May 2015, and 26 healthy eyes (control group) were considered in this study. The control group was recruited taking age into account with a variation not exceeding 5 years compared to the ODE cases...
March 20, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28334035/early-inner-retinal-thinning-and-cardiovascular-autonomic-dysfunction-in-type-2-diabetes
#5
Jin A Choi, Hyo Won Kim, Jin-Woo Kwon, Yun-Sub Shim, Dong Hyun Jee, Jae-Seung Yun, Yu-Bae Ahn, Chan Kee Park, Seung-Hyun Ko
BACKGROUND: To investigate changes in the neural retina according to the presence of retinal nerve fiber layer (RNFL) defects in type 2 diabetes, and to determine the association between inner retina thickness and the severity of diabetic complications. METHODS: We studied non-glaucomatous patients with type 2 diabetes and control subjects Circumpapillary RNFL and macula ganglion cell-inner plexiform layer (GCIPL) thicknesses were measured by spectral-domain optical coherence tomography...
2017: PloS One
https://www.readbyqxmd.com/read/28333896/relationship-of-optic-nerve-structure-and-function-to-peripapillary-vessel-density-measurements-of-optical-coherence-tomography-angiography-in-glaucoma
#6
Harsha L Rao, Zia S Pradhan, Robert N Weinreb, Srilakshmi Dasari, Mohammed Riyazuddin, Sharanya Raveendran, Narendra K Puttaiah, Jayasree P Venugopal, Dhanaraj A S Rao, Sathi Devi, Kaweh Mansouri, Carroll A B Webers
PURPOSE: To evaluate the sectoral and global structure-structure (vessel density-retinal nerve fiber layer thickness) and structure-function (vessel density-visual sensitivity loss) relationships of peripapillary vessel density measurements on optical coherence tomography angiography in primary open-angle glaucoma and to determine if fractional polynomial (FP) models characterize the relationships better than linear models. MATERIALS AND METHODS: In a cross-sectional study, structure-structure and structure-function relationships of peripapillary vessel densities were determined in 227 eyes of 143 subjects (63 control and 164 primary open-angle glaucoma eyes) who had undergone standard automated perimetry and optical coherence tomography testing within 6 months of each other, using linear and FP models...
March 22, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28333890/the-association-between-clinical-features-seen-on-fundus-photographs-and-glaucomatous-damage-detected-on-visual-fields-and-optical-coherence-tomography-scans
#7
Paula A Alhadeff, Carlos G De Moraes, Monica Chen, Ali S Raza, Robert Ritch, Donald C Hood
PURPOSE: To classify the appearance of the optic disc seen on fundus photographs of healthy subjects and patients with or suspected glaucoma whose diagnosis was based upon visual fields (VFs) and spectral-domain optical coherence tomography (sdOCT) results. PATIENTS AND METHODS: One eye of 100 patients with or suspected glaucoma and 62 healthy subjects were prospectively tested with 24-2 and 10-2 VF and macular and disc sdOCT cube scans. All eyes with or suspected glaucoma had a 24-2 mean deviation better than -6...
March 22, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28331373/decrease-of-the-foveal-avascular-zone-area-after-internal-limiting-membrane-peeling-single-case-study
#8
Kazuyuki Kumagai, Akinori Uemura, Mariko Furukawa, Tetsuyuki Suetsugu, Nobuchika Ogino
PURPOSE: To report a patient whose foveal avascular zone (FAZ) decreased after vitrectomy with internal limiting membrane (ILM) peeling. METHODS: A 58-year-old woman underwent successful phacovitrectomy with ILM peeling for a thin epiretinal membrane in an eye with a normal foveal contour. Optical coherence tomography angiographic en face images of the 3 mm×3 mm superficial and deep inner retinal vascular plexuses were examined preoperatively, and on days 1, 2, 9, and 37 postoperatively...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28330041/retinal-tractography-influence-of-diffusion-acquisition-ocular-laterality-and-ocular-dominance-in-healthy-subjects
#9
Clément Jean, Arnaud Attyé, Sylvie Grand, Augustin Lecler, Christophe Chiquet, Florent Aptel, Laurent Lamalle, Alexandre Krainik
PURPOSE: Exploration of the human retina has never been described with MRI tractography, supposedly because of ocular movement-related artifacts and imaging distortions with EPI diffusion acquisition. In this work, we used track-weighting imaging to assess retinal fascicles. Diffusion acquisition parameters influence was studied and the relationship between variability and ocular laterality and ocular dominance was explored. MATERIALS AND METHODS: Twenty healthy subjects underwent MRI, with retinal tractography calculated with the constrained spherical deconvolution model...
March 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28328978/thickness-of-retinal-layers-in-the-foveas-of-children-with-anisometropic-amblyopia
#10
Wuhe Chen, Jinling Xu, Jinjing Zhou, Zhouqun Gu, Shenghai Huang, Heming Li, Zhuoer Qin, Xinping Yu
PURPOSE: To use highly precise spectral-domain optical coherence tomography (SD-OCT) to determine whether there were structural abnormalities in the layers of different regions of the fovea in children with anisometropic amblyopia. METHODS: Eighteen children (mean age 7.8 years old; range 5-11 years) with unilateral anisometropic amblyopia and 18 age-matched control subjects participated. Foveal thickness was measured with an enhanced depth imaging system, SD-OCT and segmented into layers using custom developed software...
2017: PloS One
https://www.readbyqxmd.com/read/28319450/retinal-and-choroidal-thickness-in-adult-patients-with-familial-mediterranean-fever
#11
Tolga Bicer, Osman Celikay, Mustafa Kosker, Muhammed Yunus Alp, Cem Ozisler, Ahmet Yesilyurt, Burcu Kucuk Bicer, Canan Gurdal
PURPOSE: We aimed to evaluate changes in retinal, choroidal, ganglion cell complex (GCC) and retinal nerve fiber layer (RNFL) thicknesses in genetically diagnosed adult patients with familial Mediterranean fever (FMF). METHODS: A total of 50 eyes of 50 genetically diagnosed patients with FMF and 50 eyes of controls were analyzed. Patients were recruited from the Genetic Diagnostic Center of Dışkapı Yıldırım Beyazıt Research and Training Hospital, Turkey. Retinal and choroidal thicknesses were obtained using spectral-domain optical coherence tomography from choroid, retina, GCC, and RNFL...
March 20, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28316838/retinal-vessel-density-in-optical-coherence-tomography-angiography-in-optic-atrophy-after-nonarteritic-anterior-ischemic-optic-neuropathy
#12
Chun-Hsiu Liu, Ling-Yuh Kao, Ming-Hui Sun, Wei-Chi Wu, Henry Shen-Lih Chen
Aims. To compare optical coherence tomography angiography (OCT-A) retinal vasculature measurements between normal and optic atrophy after nonarteritic anterior ischemic optic neuropathy (NAION) subjects. Design. This prospective observational study was conducted between July 2015 and August 2016 at the ophthalmology outpatient department of a referral center in Taiwan. Peripapillary (4.5 × 4.5 mm) and parafoveal (6 × 6 mm) OCT-A scans were acquired. Measurements of the peripapillary region were obtained in two areas: (1) circumpapillary vessel density (cpVD) and (2) whole enface image vessel density (wiVD)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28315655/comparing-the-rates-of-retinal-nerve-fiber-layer-and-ganglion-cell-inner-plexiform-layer-loss-in-healthy-eyes-and-in-glaucoma-eyes
#13
Naama Hammel, Akram Belghith, Robert N Weinreb, Felipe A Medeiros, Nadia Mendoza, Linda M Zangwill
PURPOSE: To compare the rates of circumpapillary retinal nerve fiber layer (RNFL) and macular retinal ganglion cell-inner plexiform layer (GCIPL) change over time in healthy and glaucoma eyes. DESIGN: Cohort study. METHODS: The rates of circumpapillary RNFL and macular GCIPL loss in 28 healthy subjects and 97 glaucoma subjects from the Diagnostic Innovations in Glaucoma Study (DIGS) were compared using mixed effects models. RESULTS: The median follow-up time and number of visits were 1...
March 15, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28315402/spectral-domain-optical-coherence-tomography-findings-of-patients-under-treatment-for-pediatric-acute-lymphoblastic-leukemia
#14
Ozgur Yalcinbayir, Birol Baytan, Oner Gelisken, Basak Can, Melike Sezgin Evim, Meral Yildiz, Adalet Meral Gunes
PURPOSE: To investigate the use of spectral domain optical coherence tomography (SD-OCT) findings in pediatric acute lymphoblastic leukemia (ALL) patients. METHODS: Children that were diagnosed with precursor B-cell ALL and classified as belonging to the medium-risk group for relapse were selected for this study. Individuals who were in continuous remission and on maintenance therapy were included in the study group. Cases that had central nervous system involvement were excluded...
March 14, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28301863/optical-coherence-tomography-angiography-in-nonarteritic-anterior-ischemic-optic-neuropathy
#15
Emily Wright Mayes, Emily D Cole, Sabin Dang, Eduardo A Novais, Laurel Vuong, Carlos Mendoza-Santiesteban, Jay S Duker, Thomas R Hedges
BACKGROUND: Optical coherence tomography angiography (OCTA) has demonstrated good utility in qualitative analysis of retinal and choroidal vasculature and therefore may be relevant in the diagnostic and treatment efforts surrounding nonarteritic anterior ischemic optic neuropathy (NAION). METHODS: Retrospective, cross-sectional study of 10 eyes of 9 patients with a previous or new diagnosis of NAION that received imaging with OCTA between November 2015 and February 2016...
March 15, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28300739/circumpapillary-ganglion-cell-complex-thickness-to-diagnose-glaucoma-a-pilot-study
#16
Yoshiyuki Kita, Norihisa Soutome, Daisuke Horie, Ritsuko Kita, Gaborá Hollό
PURPOSE: The purpose of this study is to evaluate the applicability of a new optical coherence tomography parameter, the circumpapillary ganglion cell complex (cpGCC) thickness for glaucoma diagnostics. SUBJECTS AND METHODS: The RS-3000 Advance SD-OCT (NIDEK, Aichi, Japan) was used to measure global and sector macular GCC (mGCC) thickness, circumpapillary retinal nerve fiber layer (cpRNFL) thickness, cpGCC, and circumpapillary total retina (cpTR) thickness in 1 eye of 48 preperimetric/early perimetric primary open-angle glaucoma patients and 28 healthy Japanese participants...
January 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28299007/correlation-between-visual-field-index-and-other-functional-and-structural-measures-in-glaucoma-patients-and-suspects
#17
Natalia A Iutaka, Rubens A Grochowski, Niro Kasahara
PURPOSE: To evaluate the correlation between visual field index (VFI) and both structural and functional measures of the optic disc in primary open angle glaucoma patients and suspects. METHODS: In this retrospective study, 162 glaucoma patients and suspects underwent standard automated perimetry (SAP), retinography, and retinal nerve fiber layer (RNFL) measurement. The optic disc was stratified according to the vertical cup/disc ratio (C/D) and sorted by the disc damage likelihood scale (DDLS)...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28298870/congenital-preretinal-arterial-loop-is-it-a-misnomer
#18
Rajiv Raman, Laxmi Gella, M S Kazi
We describe a case of recurrent spontaneous vitreous haemorrhage due to congenital retinal arterial loop. The pre-optical coherence tomography showed the loop to be intraretinal rather than pre retinal. Thus the term pre retinal arterial loop is a misnomer. The arterial loop is in the superficial layer of retinal nerve fiber layer. We also demonstrated preretinal posterior hyaloid tissue attached on the retinal arterial loop, which may be the cause of traction and spontaneous recurrent VH.
January 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28296784/simultaneous-degeneration-of-myenteric-plexuses-and-pelvic-parasympathetic-colonic-nerve-in-slow-transit-constipation-a-case-report
#19
Zhiqiang Cheng, Kun Zhao, Dongsong Bi
RATIONALE: Slow transit constipation (STC) is a common disease of which the etiology is still not clear. Multiple hypotheses have been proposed to explain STC, including autonomic neuropathy, disorders of the enteric nervous system and so forth. Morphological abnormalities of the enteric nerves of the colon in patients with STC have been extensively reported, while there have been no morphological reports focusing on extrinsic extramural fibers from the pelvic plexus to the distal colon (i...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28295313/peripheral-and-central-anatomical-organization-of-cutaneous-afferent-subtypes-in-a-rat-nociceptive-intersegmental-spinal-reflex
#20
Hyun Joon Lee, Jason M White, Jumi Chung, Keith E Tansey
Stimulation of rat segmental dorsal cutaneous nerves (DCNs) evokes the nociceptive intersegmental cutaneus trunci muscle (CTM) reflex. The reflex consists of early and late responses, mediated by Aδ and C fibers respectively based on required stimulation strengths, and shows segmental differences in terms of amplitude and duration. We have now investigated whether the peripheral or central anatomy of nociceptive afferent subtypes in different DCNs also vary in a segmental manner. The numbers of different axon subtypes, determined by axon diameter, were analyzed across peripheral DCNs from T6 to L1...
March 11, 2017: Journal of Comparative Neurology
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