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optic coherent tomography

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https://www.readbyqxmd.com/read/27906070/subretinal-adipose-tissue-derived-mesenchymal-stem-cell-implantation-in-advanced-stage-retinitis-pigmentosa-a-phase-i-clinical-safety-study
#1
Ayse Oner, Z Burcin Gonen, Neslihan Sinim, Mustafa Cetin, Yusuf Ozkul
BACKGROUND: This prospective clinical case series aimed to investigate the safety of subretinal adipose tissue-derived mesenchymal stem cell (ADMSC) implantation in advanced stage retinitis pigmentosa (RP). METHODS: This study included 11 patients with end-stage RP who received subretinal implantation of ADMSCs. All patients had a total visual field defect and five of them only had light perception. The best corrected visual acuity (BCVA) in the study was 20/2000...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27905889/influence-of-posterior-corneal-astigmatism-on-postoperative-refractive-astigmatism-in-pseudophakic-eyes-after-cataract-surgery
#2
Maki Sano, Takahiro Hiraoka, Yuta Ueno, Hideo Itagaki, Tomohiro Ogami, Tetsuro Oshika
BACKGROUND: To examine the influence of posterior corneal astigmatism on postoperative refractive astigmatism in pseudophakic eyes after cataract surgery. METHODS: The study enrolled 64 pseudophakic eyes of 50 patients (71.8 ± 9.9 years old, mean ± standard deviation) who had undergone phacoemulsification with non-toric IOL implantation. Refractive astigmatism was measured using an auto ref-keratometer with a 0.01- diopter (D) scale. Two types of corneal astigmatism were calculated using anterior segment optical coherence tomography; keratometric and total corneal astigmatism...
December 1, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27905337/choroidal-thickness-evaluation-of-healthy-eyes-central-serous-chorioretinopathy-and-fellow-eyes-using-spectral-domain-optical-coherence-tomography-in-indian-population
#3
Supriya Arora, Richa Pyare, Preethi Sridharan, Tarun Arora, Meenakshi Thakar, Basudeb Ghosh
AIM: The purpose of this study is to establish a normative database of subfoveal choroidal thickness (CT) in healthy young Indians using spectral domain optical coherence tomography (SD OCT). Evaluation and comparison of CT of central serous chorioretinopathy (CSC) and fellow eyes were also performed. MATERIALS AND METHODS: This was a prospective, cross-sectional, and observational study. It included 112 normal eyes of 112 healthy volunteers who had no evidence of ocular or systemic disease, 84 CSC eyes with acute, treatment-naïve CSC, and 69 fellow eyes with no evidence of neurosensory detachment or pigment epithelium detachment on SD OCT...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27905331/prevalent-practice-patterns-in-glaucoma-poll-of-indian-ophthalmologists-at-a-national-conference
#4
Nikhil Shreeram Choudhari, Vanita Pathak-Ray, Sushmita Kaushik, Prateep Vyas, Ronnie George
PURPOSE: The aim of this study is to explore and compare the prevailing practice patterns in the diagnosis and management of glaucoma among subspecialists and general ophthalmologists in India. MATERIALS AND METHODS: This is an interactive audience response system (ARS) based poll of ophthalmologists attending the annual conference of the Glaucoma Society of India in 2013. RESULTS: The information was obtained from 379 ophthalmologists (146 glaucoma specialists, 54 nonglaucoma subspecialists, and 179 general ophthalmologists)...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27905330/screening-for-chloroquine-maculopathy-in-populations-with-uncertain-reliability-in-outcomes-of-automatic-visual-field-testing
#5
Paradee Kunavisarut, Pimploy Chavengsaksongkram, Aniki Rothova, Kessara Pathanapitoon
PURPOSE: The purpose of this study was to compare screening methods for the early detection of maculopathy in patients treated with chloroquine (CQ) or hydroxychloroquine (HCQ) and to identify the risk factors for the development of toxic maculopathy. METHODS: We performed a prospective study of all 217 patients taking CQ and/or HCQ and seen in our center between July 2011 and December 2013. All subjects underwent a complete ocular examination, as well as spectral domain optical coherence tomography (SD-OCT), fundus autofluorescence (FAF), and 10-2 Humphrey visual field (10-2 HVF)...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27904863/recent-updates-in-the-endoscopic-diagnosis-of-barrett-s-oesophagus
#6
REVIEW
Neel Sharma, Khek Yu Ho
BACKGROUND: Barrett's oesophagus (BO) is a premalignant condition associated with the development of oesophageal adenocarcinoma (OAC). Despite the low risk of progression per annum, OAC is associated with significant morbidity and mortality, with an estimated 5-year survival of 10%. Furthermore, the incidence of OAC continues to rise globally. Therefore, it is imperative to detect the premalignant phase of BO and follow up such patients accordingly. SUMMARY: The mainstay diagnosis of BO is endoscopy and biopsy sampling...
October 2016: Gastrointestinal Tumors
https://www.readbyqxmd.com/read/27903073/comparison-between-early-or-late-intravitreal-injection-of-dexamethasone-implant-in-branch-brvo-or-central-crvo-retinal-vein-occlusion-six-months-follow-up
#7
Fernanda Pacella, Giuseppe La Torre, Stefania Basili, Monica Autolitano, Antonella Pascarella, Tommaso Lenzi, Elena Pacella
PURPOSE: The purpose of this study was to compare early and late injections of intravitreal dexamethasone implant in patients affected by central retinal vein occlusion (CRVO) or branch retinal vein occlusion (BRVO) with a six-month follow-up. We assessed whether an earlier treatment start (within 7 days from diagnosis) could be more beneficial than a delayed (or late) treatment start (after 7 days). MATERIALS AND METHODS: The study included 81 patients (81 eyes) affected by retinal vein occlusion...
November 30, 2016: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/27902541/central-serous-chorioretinopathylike-mimicking-multifocal-vitelliform-macular-dystrophy-an-ocular-side-effect-of-mitogen-extracellular-signal-regulated-kinase-inhibitors
#8
Chiara Giuffrè, Elisabetta Miserocchi, Giulio Modorati, Adriano Carnevali, Alessandro Marchese, Lea Querques, Giuseppe Querques, Francesco Bandello
PURPOSE: To describe a case of multiple detachments of the neurosensory retina mimicking multifocal vitelliform macular dystrophy after chemotherapy with mitogen/extracellular signal-regulated kinase inhibitor for metastatic ovarian cancer. METHODS: Case report. RESULTS: A 38-year-old woman presented to our clinic for eye examination before the initiation of chemotherapy with trametinib. One month after starting treatment, the patient complained of vision loss and metamorphopsia in both eyes...
November 29, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27902540/macular-perivenous-retinal-whitening-and-presumed-retino-ciliary-sparing-in-a-recurrent-central-retinal-vein-occlusion-associated-with-the-antiphospholipid-syndrome-and-cryoglobulinemia
#9
Dov B Sebrow, Jesse J Jung, Jason Horowitz, Jeffrey G Odel, K Bailey Freund
PURPOSE: Macular perivenous retinal whitening results from hypoperfusion-induced ischemia of the middle retina that can occur in central retinal vein occlusion (CRVO). We describe an unusual case of recurrent CRVO with macular perivenous retinal whitening and retino-ciliary venous sparing in the setting of 2 prothrombotic diseases, antiphospholipid syndrome and Type II cryoglobulinemia. METHODS: A 50-year-old man presented with intermittent loss of vision in his right eye related to a recurrent CRVO...
November 29, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27902539/cystoid-macular-edema-and-cystoid-macular-degeneration-as-a-result-of-multiple-pathogenic-factors-in-the-setting-of-central-serous-chorioretinopathy
#10
Polina Astroz, Chandrakumar Balaratnasingam, Lawrence A Yannuzzi
PURPOSE: To report the pathogenic factors that account for cystoid macular edema and cystoid macular degeneration in chronic central serous chorioretinopathy (CSC). METHODS: The clinical course and multimodal imaging findings, including fundus color photography, fundus autofluorescence, spectral-domain optical coherence tomography, and fluorescein angiography, of one eye with cystoid macular edema due to chronic CSC was documented. RESULTS: A 44-year old woman with a history of chronic CSC presented with progressive visual decline in the right eye...
November 29, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27900975/renal-fluid-overload-diagnosed-by-retinal-optical-coherence-tomography-scanning
#11
Sunny M Kar, Thanh-Giao Nguyen, Sneha Rathod, Saad Shaikh, Pran M Kar
Fluid overload is one of the major findings in patients with end-stage renal disease. Common findings in fluid overload include shortness of breath, pedal edema, ascites, and pericardial effusion. Rarely, vision loss can be associated with decompensated systemic fluid status. In the following case, we report an unusual case of vision loss due to retinal edema as a result of fluid overload diagnosed and followed to resolution by optical coherence tomography testing.
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27900561/mineralocorticoid-antagonists-as-adjuncts-in-neovascular-age-related-macular-degeneration
#12
Kapil G Kapoor, Niket Todi, Alan L Wagner
INTRODUCTION: The purpose of this project was to evaluate the role of MR antagonists as an adjunct in patients with neovascular age-related macular degeneration (AMD) who have chronic subretinal fluid. METHODS: Inclusion criteria were patients with a diagnosis of neovascular AMD, who had completed at least six anti-VEGF injections, and had persistent subretinal fluid (SRF) on optical coherence tomography (OCT). Treatment with oral eplerenone was initiated and dose titrated according to protocol...
November 29, 2016: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/27900480/deep-and-superficial-oct-angiography-changes-after-macular-peeling-idiopathic-vs-diabetic-epiretinal-membranes
#13
Mario R Romano, Gilda Cennamo, Stefano Schiemer, Claudia Rossi, Federica Sparnelli, Giovanni Cennamo
BACKGROUND: To assess changes in deep and superficial perifoveal capillary plexus after macular peeling in idiopathic and diabetic epiretinal membrane (iERM and dERM, respectively). METHODS: Cross-sectional comparative study. We included 40 eyes from 40 patients affected by iERM (20 eyes) and dERM (20 eyes), as well as 34 eyes from 17 healthy, age-matched patients. Patients received a complete ophthalmic evaluation including axial and en-face scanning spectral-domain analysis, optical coherence tomography angiography, and microperimetry...
November 30, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27899368/diagnostic-ability-of-peripapillary-vessel-density-measurements-of-optical-coherence-tomography-angiography-in-primary-open-angle-and-angle-closure-glaucoma
#14
Harsha L Rao, Sujatha V Kadambi, Robert N Weinreb, Narendra K Puttaiah, Zia S Pradhan, Dhanaraj A S Rao, Rajesh S Kumar, Carroll A B Webers, Rohit Shetty
AIMS: To evaluate the diagnostic ability of peripapillary vessel density measurements on optical coherence tomography angiography (OCTA) in primary open-angle glaucoma (POAG) and primary angle-closure glaucoma (PACG), and to compare these with peripapillary retinal nerve fibre layer (RNFL) thickness measurements. METHODS: In a cross-sectional study, 48 eyes of 33 healthy control subjects, 63 eyes of 39 patients with POAG and 49 eyes of 32 patients with PACG underwent OCTA (RTVue-XR, Optovue, Fremont, California, USA) and RNFL imaging with spectral domain OCT...
November 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27899366/optical-coherence-tomography-angiography-of-foveal-hypoplasia
#15
Kaivon Pakzad-Vaezi, Pearse Keane, João Nobre Cardoso, Catherine Egan, Adnan Tufail
AIMS: To discuss foveal development in the context of detailed retinal vasculature imaging in foveal hypoplasia using optical coherence tomography angiography. METHODS: In this case series, the optical coherence tomography angiography results of four patients with idiopathic foveal hypoplasia and two patients with foveal hypoplasia secondary to oculocutaneous albinism are presented. RESULTS: Cases with intact visual acuity demonstrated lower grades of foveal hypoplasia on optical coherence tomography, while those with poor vision demonstrated high grades of foveal hypoplasia...
November 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27899086/closantel-a-veterinary-drug-with-potential-severe-morbidity-in-humans
#16
Seyed Ali Tabatabaei, Mohammad Soleimani, Mohammad Reza Mansouri, Ahmad Mirshahi, Bahman Inanlou, Mojtaba Abrishami, Ahmad Reza Pakrah, Hamideh Masarat
BACKGROUND: Closantel is a halogenated salicylanilide with a potent anti parasitic activity. It is widely used in management of parasitic infestation in animals, but is contraindicated in humans. CASE PRESENTATION: A 34-year-old man with depression was referred to our center with progressive loss of vision in both eyes 10 days after unintentional ingestion of three 500 mg tablets of Closantel. On fundus examination, left optic disc margin was blurred. His bilateral visual acuity was no light perception (NLP) despite prescribed IV erythropoietin injections 20,000 units daily for 3 days and 1gr intravenous methylprednisolone acetate for 3 days followed by 1 mg/kg oral prednisolone...
November 29, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27898981/macular-features-in-retinitis-pigmentosa-correlations-among-ganglion-cell-complex-thickness-capillary-density-and-macular-function
#17
Lisa Toto, Enrico Borrelli, Rodolfo Mastropasqua, Alfonso Senatore, Luca Di Antonio, Marta Di Nicola, Paolo Carpineto, Leonardo Mastropasqua
Purpose: To investigate correlations among macular ganglion cell complex (GCC) layer thickness, macular capillary density, and macular function in patients affected by retinitis pigmentosa (RP). Methods: Fourteen patients (28 eyes) with previous diagnosis of RP were enrolled. The diagnosis of these conditions was made based on both clinical features and electrophysiological examination. All patients underwent a complete ophthalmologic examination, including optical coherence tomography angiography (OCTA) and multifocal electroretinogram (mfERG)...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27898979/oct-angiography-based-detection-and-quantification-of-the-neovascular-network-in-exudative-amd
#18
Moritz Lindner, Petra P Fang, Julia S Steinberg, Niklas Domdei, Maximilian Pfau, Tim U Krohne, Steffen Schmitz-Valckenberg, Frank G Holz, Monika Fleckenstein
Purpose: To investigate the potential of optical coherence tomography (OCT) angiography to detect and quantify the neovascular network in exudative AMD. Methods: Treatment-naïve eyes that were diagnosed with exudative AMD were prospectively examined by OCT angiography (OCT-A). The extent of the neovascular network was measured by three independent readers. Interclass-correlation coefficient and area overlap coefficients (OC) were calculated to assess locally precise agreement between measurements...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27898677/collagen-fiber-orientation-and-dispersion-in-the-upper-cervix-of-non-pregnant-and-pregnant-women
#19
Wang Yao, Yu Gan, Kristin M Myers, Joy Y Vink, Ronald J Wapner, Christine P Hendon
The structural integrity of the cervix in pregnancy is necessary for carrying a pregnancy until term, and the organization of human cervical tissue collagen likely plays an important role in the tissue's structural function. Collagen fibers in the cervical extracellular matrix exhibit preferential directionality, and this collagen network ultrastructure is hypothesized to reorient and remodel during cervical softening and dilation at time of parturition. Within the cervix, the upper half is substantially loaded during pregnancy and is where the premature funneling starts to happen...
2016: PloS One
https://www.readbyqxmd.com/read/27898471/green-disease-in-optical-coherence-tomography-diagnosis-of-glaucoma
#20
Mohamed S Sayed, Michael Margolis, Richard K Lee
PURPOSE OF REVIEW: Optical coherence tomography (OCT) has become an integral component of modern glaucoma practice. Utilizing color codes, OCT analysis has rendered glaucoma diagnosis and follow-up simpler and faster for the busy clinician. However, green labeling of OCT parameters suggesting normal values may confer a false sense of security, potentially leading to missed diagnoses of glaucoma and/or glaucoma progression. RECENT FINDINGS: Conditions in which OCT color coding may be falsely negative (i...
November 24, 2016: Current Opinion in Ophthalmology
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