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optical coherence tomography angiography

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https://www.readbyqxmd.com/read/27932860/rebound-macular-edema-following-oral-acetazolamide-therapy-for-juvenile-x-linked-retinoschisis-in-an-italian-family
#1
Maria Silvana Galantuomo, Maurizio Fossarello, Alberto Cuccu, Roberta Farci, Markus N Preising, Birgit Lorenz, Pietro Emanuele Napoli
BACKGROUND: Juvenile X-linked retinoschisis (RS1, OMIM: 312700) is a hereditary vitreoretinal dystrophy characterized by bilateral foveal schisis and, in half of the patients, splitting through the nerve fiber layer in the peripheral retina. In the first decade of life, patients usually develop a decrease in visual acuity. Long-term visual outcomes can be poor due to the limited number of known successful treatments. PURPOSE: The purposes of this study were to present, for the first time, a p...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27930458/reproducibility-of-vessel-density-measurement-with-optical-coherence-tomography-angiography-in-eyes-with-and-without-retinopathy
#2
Qisheng You, William R Freeman, Robert N Weinreb, Linda Zangwill, Patricia I C Manalastas, Luke J Saunders, Eric Nudleman
PURPOSE: To determine the intravisit and intervisit reproducibility of optical coherence tomography angiography measurements of macular vessel density in eyes with and without retinal diseases. METHODS: Fifteen healthy volunteers and 22 patients with retinal diseases underwent repeated optical coherence tomography angiography (Angiovue Imaging System, Optovue Inc) scans after pupil dilation on 2 separate visit days. For each visit day, the eyes were scanned twice...
December 7, 2016: Retina
https://www.readbyqxmd.com/read/27930457/novel-findings-on-optical-coherence-tomography-angiography-in-patients-with-tubercular-serpiginous-like-choroiditis
#3
Spoorti Krishna Reddy Mandadi, Aniruddha Agarwal, Kanika Aggarwal, Bruttendu Moharana, Ramandeep Singh, Aman Sharma, Reema Bansal, Mangat R Dogra, Vishali Gupta
PURPOSE: To analyze and describe the imaging characteristics of tubercular serpiginous-like choroiditis using optical coherence tomography angiography (OCTA) and to compare these findings with multimodal imaging. METHODS: In this prospective cross-sectional study, multimodal imaging was performed in subjects with tubercular serpiginous-like choroiditis using OCTA (Optovue RTVue XR Avanti), enhanced-depth imaging OCT (Heidelberg Spectralis), fundus autofluorescence, fluorescein angiography, and indocyanine green angiography...
December 7, 2016: Retina
https://www.readbyqxmd.com/read/27930436/self-peeling-epiretinal-membrane
#4
Cem Ozgonul, Cagri G Besirli
PURPOSE: To present a self-peeling epiretinal membrane (ERM) in a patient with spontaneously improved retinal capillary hemangioma in the left eye. METHODS: We demonstrate the improvement of an untreated retinal capillary hemangioma and resolution of ERM with fundus photography, fluorescein angiography, and spectral domain optical coherence tomography. Genetic testing excluded von Hippel-Lindau disease in this patient. RESULTS: Evaluation of a patient with rheumatoid arthritis revealed retinal capillary hemangioma with retinal exudates at the temporal peripheral fundus and an ERM in the left eye...
December 7, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27928400/optical-coherence-tomography-angiography-in-a-patient-with-optic-atrophy-after-non-arteritic-anterior-ischaemic-optic-neuropathy
#5
Tomoaki Higashiyama, Yusuke Ichiyama, Sanae Muraki, Yasuhiro Nishida, Masahito Ohji
A 75-year-old female noticed a lower visual field (VF) defect in the right eye. A diagnosis of non-arteritic anterior ischaemic optic neuropathy (NAION) was made. The lower VF defect in the right eye did not change after onset. Optical coherence tomography (OCT) angiograms on the disc and the macula showed decreased retinal perfusion in the upper retina of the right eye. Retinal nerve fibre layer loss and ganglion cell complex loss in the upper retina were also seen in the right eye. OCT angiography could non-invasively detect the decrease of the retinal perfusion due to NAION...
June 2016: Neuro-ophthalmology
https://www.readbyqxmd.com/read/27927677/comparison-of-diabetic-retinopathy-classification-using-fluorescein-angiography-and-optical-coherence-tomography-angiography
#6
Mário Soares, Catarina Neves, Inês Pereira Marques, Isabel Pires, Christian Schwartz, Miguel Ângelo Costa, Torcato Santos, Mary Durbin, José Cunha-Vaz
PURPOSE: To analyse and compare the classification of eyes with diabetic retinopathy using fluorescein angiography (FA) and optical coherence tomography angiography (OCTA) performed either with AngioPlex or AngioVue. METHODS: This was an observational cross-sectional study of 50 eyes from 26 diabetic subjects. Two independent graders classified the FA angiograms, to assess the presence and severity of several characteristics according to the ETDRS Report 11, and a similar evaluation was performed for each 3×3 mm OCTA image from the superficial retinal layer and for the full retina slab...
December 7, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27918825/early-postnatal-hyperoxia-in-mice-leads-to-severe-persistent-vitreoretinopathy
#7
Paul G McMenamin, Rachel Kenny, Sjakon Tahija, Jeremiah Lim, Cecilia Naranjo Golborne, Xiangting Chen, Sheena Bouch, Foula Sozo, Bang Bui
Purpose: To describe a mouse model of hyperoxia-induced vitreoretinopathy that replicated some of the clinical and pathologic features encountered in infants with severe retinopathy of prematurity and congenital ocular conditions such as persistent hyperplastic primary vitreous. Methods: Experimental mice (C57BL/6J) were exposed to 65% oxygen between postnatal days (P)0 to P7 and studied at P10, P14, and 3, 5, 8, 20, and 40 weeks. Controls were exposed to normoxic conditions...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27913447/comparison-of-oct-angiography-and-indocyanine-green-angiographic-findings-with-subtypes-of-polypoidal-choroidal-vasculopathy
#8
Koji Tanaka, Ryusaburo Mori, Akiyuki Kawamura, Hiroyuki Nakashizuka, Yu Wakatsuki, Mitsuko Yuzawa
PURPOSE: To compare the findings of optical coherence tomography angiography (OCTA) with indocyanine green angiography (ICGA) in polypoidal choroidal vasculopathy (PCV) that was divided into two types: polypoidal choroidal neovascularisation (CNV) and typical PCV (type 2 PCV). METHODS: We studied a retrospective case series of 32 patients with treatment-naïve PCV (24 men, eight women; mean age 65.4 years). PCV was categorised into polypoidal CNV (type 1 PCV) and type 2 PCV based on ICGA findings...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27913442/comparison-of-anti-vegf-therapies-on-fibrovascular-pigment-epithelial-detachments-in-age-related-macular-degeneration
#9
Adrian Au, Vishal S Parikh, Rishi P Singh, Justis P Ehlers, Alex Yuan, Aleksandra V Rachitskaya, Jonathan E Sears, Sunil K Srivastava, Peter K Kaiser, Andrew P Schachat, Daniel F Martin, Yasha Modi
BACKGROUND: The aim is to compare the therapeutic effects of three antivascular endothelial growth factor (VEGF) drugs (bevacizumab, aflibercept and ranibizumab) on fibrovascular pigment epithelial detachments (fvPEDs) in age-related macular degeneration (AMD). METHODS: This was a retrospective, comparative, consecutive case series of 88 unique eyes with fvPEDs in neovascular AMD treated with anti-VEGF monotherapy for a minimum of 6 months. All eyes were treatment naive...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27913440/optical-coherence-tomographic-angiography-of-choroidal-neovascularization-ill-defined-with-fluorescein-angiography
#10
Mehrdad Malihi, Yali Jia, Simon S Gao, Christina Flaxel, Andreas K Lauer, Thomas Hwang, David J Wilson, David Huang, Steven T Bailey
PURPOSE: To evaluate the morphological structure of ill-defined choroidal neovascularisation (CNV) with traditional fluorescein angiography (FA) compared with optical coherence tomographic angiography (OCTA). METHODS: A retrospective case series study of 11 eyes with ill-defined CNV on FA was performed. Eyes were scanned with commercially available spectral-domain optical coherence tomography (OCT) (70 000 A-scans/s). The split-spectrum amplitude-decorrelation angiography (SSADA) algorithm was used to distinguish blood flow from static tissue...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27912913/intravitreal-therapies-for-non-neovascular-age-related-macular-degeneration-with-intraretinal-or-subretinal-fluid
#11
M Cuesta-Lasso, A Vieira-Barros, R Dolz-Marco, M J Roig-Revert, J Badal, L Amselem, M Díaz-Llopis, R Gallego-Pinazo
OBJECTIVE: To evaluate the efficacy of intravitreal therapies in cases of atrophic age-related macular degeneration (AMD) with subretinal or intraretinal fluid. METHODS: A retrospective review was made of the clinical charts of patients diagnosed with atrophic AMD with subretinal or intraretinal fluid. Fundus photographs and spectral-domain optical coherence tomography images were examined, and an analysis was made on the presence of fluid and its density. Neovascularisation was ruled out by fluorescein and/or indocyanine green angiography...
November 29, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27911427/-modern-approach-to-early-diagnosis-and-pathogenetic-treatment-of-diabetic-retinopathy
#12
I V Vorob'eva
AIM: To improve the approach to pathogenetic treatment of diabetic retinopathy (DR) through early diagnosis and a new method for predicting disease progression. MATERIAL AND METHODS: The study enrolled 330 type 2 diabetes patients with DR (660 eyes), of whom women constituted 64.6%, men - 35.4%. The mean patient age was 62.3±2.3 years. Three groups were formed: the controls - 30 healthy volunteers (60 eyes) and 30 type 2 diabetes patients without ocular involvement (DR 0, 60 eyes); group 1 - 30 type 2 diabetes patients with DR I but no diabetic macular edema (DR I without DME, 60 eyes) that were treated with calcium dobesilate; group 2 - 240 type 2 diabetes patients, who had diabetic retinopathy of different stages (DR I, II, or III with DME, 480 eyes) and received laser retinal photocoagulation (LRP)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911421/-analysis-of-changes-in-central-macular-thickness-based-on-optical-coherence-tomography-angiography-findings-in-retinal-vein-occlusion
#13
M V Budzinskaya, A V Shelankova, M A Mikhailova, A A Plyukhova, N M Nurieva, A V Fomin
AIM: To investigate the relationship between OCT angiography measurements and central fundus changes in patients with retinal vein occlusion (RVO). MATERIAL AND METHODS: The study enrolled 21 RVO patients aged from 55 to 86 years (69.9±2.28 years), including 8 patients with ischemic central RVO (I-CRVO; 73.6±3.4 years on average) and 13 patients with branch RVO (BRVO; 67.6±3.0 years on average). Of the latter, 8 cases were ischemic (I-BRVO) and 5 non-ischemic (NI-BRVO)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27908566/update-of-choroidal-imaging-techniques-past-present-and-future
#14
J Ruiz-Medrano, I Flores-Moreno, R Gutierrez-Bonet, J Chhablani, J M Ruiz-Moreno
The choroid is the middle layer of the eye, a very vascular and pigmented tissue, with its role in several ophthalmological pathologies already having been clearly established. But it was not until the last few years that we have been able to reliably and precisely measure and quantify its shape and thickness. Ultrasound technology and indocyanine green angiography were the first techniques used for the study of the choroid, and they still maintain their use and clinical indications for the diagnosis and management of several pathologies...
November 28, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27906811/measurement-of-radial-peripapillary-capillary-density-in-the-normal-human-retina-using-optical-coherence-tomography-angiography
#15
Tarannum Mansoori, Jayanthi Sivaswamy, Jahnavi Sai Gamalapati, Satish Gooty Agraharam, Nagalla Balakrishna
AIM: To image the radial peripapillary capillary (RPC) network with optical coherence tomography angiography (OCTA) and measure its capillary density (CD) in the normal human retina. MATERIALS AND METHODS: Fifty-two normal participants underwent OCTA imaging with RTVue XR 100 Avanti OCT. The angioflow enface RPCs network was extracted from OCTA and 8 peripapillary sectors with a sector angle of 45 degrees were selected for quantitative analysis: superior nasal, superior temporal, temporal upper, temporal lower, nasal upper, nasal lower, inferior nasal, and inferior temporal...
November 30, 2016: Journal of Glaucoma
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
#16
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/27902540/macular-perivenous-retinal-whitening-and-presumed-retino-ciliary-sparing-in-a-recurrent-central-retinal-vein-occlusion-associated-with-the-antiphospholipid-syndrome-and-cryoglobulinemia
#17
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
#18
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/27900480/deep-and-superficial-oct-angiography-changes-after-macular-peeling-idiopathic-vs-diabetic-epiretinal-membranes
#19
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
#20
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
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