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optical coherence tomography angiography

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https://www.readbyqxmd.com/read/29656364/characteristic-appearances-of-fundus-autofluorescence-in-treatment-naive-and-active-polypoidal-choroidal-vasculopathy-a-retrospective-study-of-170-patients
#1
Xinyu Zhao, Song Xia, Youxin Chen
PURPOSE: To investigate the characteristic appearances of fundus autofluorescence (FAF) in patients with treatment-naive and active polypoidal choroidal vasculopathy (PCV). METHOD: Cases with the diagnosis of treatment-naive and active PCV from November 2012 to May 2017 at Peking Union Medical College Hospital were retrospectively reviewed. All patients underwent comprehensive ophthalmologic examination. Autofluorescence (AF) findings were described at the retinal sites of the corresponding lesions identified and diagnosed using indocyanine green angiography and spectral-domain optical coherence tomography...
April 14, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29656284/findings-of-optical-coherence-tomography-angiography-in-best-vitelliform-macular-dystrophy
#2
Xiao Na Wang, Qi Sheng You, Qian Li, Yang Li, Yu Mao, Feng Hu, Hui Ying Zhao, Frank F Tsai, Xiao Yan Peng
PURPOSE: To evaluate the vascular anatomy of eyes with Best vitelliform macular dystrophy (BVMD) using optical coherence tomography angiography (OCTA). METHODS: This retrospective case-control study enrolled 11 consecutive BVMD patients and 13 age-matched healthy participants. Both eyes of each participant were imaged using a macular OCTA scan (3 × 3 mm) by 70-kHz 840-nm spectral-domain OCT. The flow signal was calculated using the split-spectrum amplitude-decorrelation angiography (SSADA) algorithm...
April 13, 2018: Ophthalmic Research
https://www.readbyqxmd.com/read/29651354/evolution-of-choroidal-neovascularization-due-to-presumed-ocular-histoplasmosis-syndrome-on-multimodal-imaging-including-optical-coherence-tomography-angiography
#3
T Y Alvin Liu, Alice Yang Zhang, Adam Wenick
A 37-year-old Caucasian woman presented with acute decrease in central vision in her right eye and was found to have subfoveal choroidal neovascularization (CNV) due to presumed ocular histoplasmosis syndrome (POHS). Her visual acuity improved from 20/70 to 20/20 at her 6-month follow-up, after 3 consecutive monthly intravitreal bevacizumab injections were initiated at her first visit. Although no CNV activity was seen on fluorescein angiography (FA) or spectral-domain optical coherence tomography (SD-OCT) at her 2-month, 4-month, and 6-month follow-up visits, persistent flow in the CNV lesion was detected on optical coherence tomography angiography (OCTA)...
2018: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/29651346/choriocapillaris-loss-in-advanced-age-related-macular-degeneration
#4
REVIEW
Carlos A Moreira-Neto, Eric M Moult, James G Fujimoto, Nadia K Waheed, Daniela Ferrara
The purpose of this review is to summarize the current knowledge on choriocapillaris loss in advanced age macular degeneration (AMD). Several histopathological studies in animal models and human eyes had showed that the choriocapillaris density decreases with age. However, the role of choriocapillaris loss is still unclear in AMD and its advanced forms, either choroidal neovascularization (CNV) or geographic atrophy (GA). Some authors have hypothesized that choriocapillaris loss might precede overt retinal pigment epithelium atrophy...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29651341/the-comparison-of-regional-rnfl-and-fundus-vasculature-by-octa-in-chinese-myopia-population
#5
Yuanjun Li, Hamza Miara, Pingbo Ouyang, Bing Jiang
Purpose: To determine the correlations between peripapillary vessel density, retinal nerve fibre layer (RNFL) thickness, and myopic indices at retina quadrants with optical coherence tomography angiography (OCTA) in Chinese. Methods: Fifty-six subjects with a mean spherical equivalent (MSE) of -3.63 ± 0.29 D were included. Peripapillary RNFL thickness and retinal vessel density in four sectors (superior, nasal, inferior, and temporal quadrants) were determined by OCTA, and correlations of the main outcomes were analyzed...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29651340/changes-in-flow-density-measured-using-optical-coherence-tomography-angiography-after-istent-insertion-in-combination-with-phacoemulsification-in-patients-with-open-angle-glaucoma
#6
Maged Alnawaiseh, Viktoria Müller, Larissa Lahme, Ralph Laurent Merté, Nicole Eter
Purpose: To evaluate changes in flow density after the implantation of a trabecular microbypass stent (iStent) in combination with cataract surgery. Methods: A total of 48 eyes of 48 patients, who underwent either cataract surgery alone (cataract group) or cataract surgery with implantation of two iStent inject devices (iStent group), were prospectively included in this study. Intraocular pressure (IOP) and flow density data before and after surgery were extracted and analyzed...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29651339/comparison-of-optical-coherence-tomography-angiography-and-laser-speckle-flowgraphy-for-the-diagnosis-of-normal-tension-glaucoma
#7
Asuka Takeyama, Kyoko Ishida, Ayako Anraku, Masahiro Ishida, Goji Tomita
Purpose: To compare optical coherence tomography angiography (OCT-A) and laser speckle flowgraphy (LSFG) for the diagnosis of normal-tension glaucoma (NTG). Methods: Twenty-eight eyes of 28 patients with NTG and 25 eyes of 25 normal subjects matched for age, refractive errors, systemic blood pressure, and central corneal thickness were evaluated. OCT-A was used to measure whole image vessel density, inside disc vessel density, and peripapillary vessel density; using LSFG, mean blur rate (MBR) inside the whole optic nerve head (ONH) area (MBRA ), and MBR of the vessel area (MBRV ) and tissue area (MBRT ) inside the ONH, were determined...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29649987/multimodal-imaging-of-foveoschisis-and-macular-pseudohole-associated-with-gyrate-atrophy-a-family-report
#8
Imène Zhioua Braham, Imen Ammous, Rim Maalej, Majdi Boukari, Ilhem Mili Boussen, Khalil Errais, Raja Zhioua
BACKGROUND: To report the results of multimodal imaging of a biochemically confirmed case of a family with gyrate atrophy (GA) associated with foveoschisis and macular pseudohole. CASE PRESENTATION: Two sisters presented to us with progressive bilateral decreased vision. The 26-year old sister had a best corrected visual acuity (BCVA) of 20/32 in the right eye (RE) and 20/100 in the left eye (LE). Dilated fundus examination revealed multiple bilateral chorioretinal atrophy areas in the midperipheral and peripheral retina...
April 12, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29643793/central-serous-chorioretinopathy-associated-with-desmopressin-nasal-spray-causality-or-unfortunate-association
#9
Nacima Kisma, Eleni Loukianou, Bishwanath Pal
Purpose: To describe the possible association between central serous chorioretinopathy (CSCR) and desmopressin use. Methods: The case histories of 2 middle-aged men with CSCR using desmopressin nasal spray were studied. Results: The diagnosis of CSCR was made on the basis of clinical features and ancillary testing (fluorescein angiography and optical coherence tomography). Both patients were using desmopressin nasal spray for polyuria when they developed the first ocular symptoms...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29643788/polypoidal-choroidal-vasculopathy-associated-with-optic-disc-coloboma
#10
Yumiko Nakano, Akiko Miki, Shigeru Honda, Makoto Nakamura
Purpose: To report a case of polypoidal choroidal vasculopathy associated with optic disc coloboma. Methods: Case report. Results: A 50-year-old woman presented with optic disc coloboma and retinochoroidal coloboma associated with subretinal hemorrhage and serous retinal detachment (SRD) in her left eye. Optical coherence tomography (OCT) confirmed SRD at the macula and showed a sharply elevated retinal epithelial detachment at the choroidal excavation...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29643787/optical-coherence-tomography-angiography-of-foveal-neovascularization-in-diabetic-retinopathy
#11
Konstantinos Andreanos, Tryfon Rotsos, George Kymionis, Chryssanthi Koutsandrea, Athanasios Kotsolis, Ioannis Ladas
Purpose: To report a case of foveal neovascularization in a patient with proliferative diabetic retinopathy as seen on optical coherence tomography angiography (OCT-A). Methods: Multimodal imaging was used for diagnostic investigation. Patient: A 61-year-old male with a 16-year history of insulin-dependent diabetes mellitus was referred to our medical retina department for examination and management. Meticulous fundus examination and multimodal imaging revealed proliferative diabetic retinopathy lesions, including neovascularization located in the foveal area...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29643783/tamoxifen-use-in-a-patient-with-idiopathic-macular-telangiectasia-type-2
#12
Alice Behrens, Ahmed Sallam, John Pemberton, Sami Uwaydat
Crystalline deposits and neurosensory retinal cavitary changes can develop in both tamoxifen retinopathy and nonproliferative idiopathic macular telangiectasia type 2 (MacTel2). MacTel2 is typically differentiated from tamoxifen retinopathy based on the presence of late leakage and mid-phase telangiectatic vessels on fluorescein angiography (FA) and the presence of hyperautofluorescence. Unlike MacTel2, tamoxifen retinopathy is known to be a progressive disease and the cessation of tamoxifen results in resolution of retinopathy...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29625452/inner-retinal-microvasculature-damage-correlates-with-outer-retinal-disruption-during-remission-in-beh%C3%A3-et-s-posterior-uveitis-by-optical-coherence-tomography-angiography
#13
Dan Cheng, Meixiao Shen, Xiran Zhuang, Dan Lin, Mali Dai, Sisi Chen, Fan Lu, Yuqin Wang
Purpose: To quantify the inner retinal vascular changes that occur in the superficial and deep layers in patients with Behçet's disease (BD) in remission using optical coherence tomography angiography (OCTA) and to evaluate the associations with outer retinal structure. Methods: Nineteen eyes from 19 patients with BD in remission were enrolled, including 10 eyes with less than five ocular attacks (n < 5) and nine eyes with five or more attacks (n ≥ 5). The foveal avascular zone (FAZ) and global and regional vessel density (VD) in both layers were compared between BD eyes and normal eyes...
March 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29625447/imaging-of-corneal-neovascularization-optical-coherence-tomography-angiography-and-fluorescence-angiography
#14
Matthias Brunner, Vito Romano, Bernhard Steger, Riccardo Vinciguerra, Samuel Lawman, Bryan Williams, Nicholas Hicks, Gabriela Czanner, Yalin Zheng, Colin E Willoughby, Stephen B Kaye
Purpose: The purpose of this study was to compare optical coherence tomography angiography (OCTA) and indocyanine green angiography (ICGA) for the assessment of corneal neovascularization (CoNV). Methods: Patients with CoNV extending at least 3 mm into the cornea were included. All patients underwent corneal imaging at the same visit. Images were recorded using the AngioVue OCTA system (Optovue, Inc.) with the long corneal adaptor module (CAM-L). ICGA images were recorded with fluorescent filters using the Heidelberg system (HRA2 Scanning Laser Ophthalmoscope; Heidelberg Engineering)...
March 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29623721/evaluation-of-ocular-perforation-during-retrobulbar-block-using-high-resolution-spectral-domain-optical-coherence-tomography-and-optical-coherence-tomography-angiography
#15
Stanislao Rizzo, Ruggero Tartaro, Lucia Finocchio, Andrea Giorni, Daniela Bacherini, Alfonso Savastano
INTRODUCTION: This article reports a case of ocular perforation during a retrobulbar block in a patient who underwent scleral buckle for retinal detachment. METHODS: Sterile air was immediately injected into the vitreous cavity to restore intraocular pressure and the scleral buckle operation was quickly finished. One week later, a laser retinopexy was performed on the two retinal holes that were outside the foveal area. After 6 months, spectral domain-optical coherence tomography and optical coherence tomography angiography were performed on the perforated wall centered on the exit hole area...
March 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29623720/optical-coherence-tomography-angiography-in-age-related-macular-degeneration-the-game-changer
#16
Marco Lupidi, Alessio Cerquaglia, Jay Chhablani, Tito Fiore, Sumit Randhir Singh, Felice Cardillo Piccolino, Roberta Corbucci, Florence Coscas, Gabriel Coscas, Carlo Cagini
Optical coherence tomography angiography is one of the biggest advances in ophthalmic imaging. It enables a depth-resolved assessment of the retinal and choroidal blood flow, far exceeding the levels of detail commonly obtained with dye angiographies. One of the first applications of optical coherence tomography angiography was in detecting the presence of choroidal neovascularization in age-related macular degeneration and establishing its position in relation to the retinal pigmented epithelium and Bruch's membrane, and thereby classifying the CNV as type 1, type 2, type 3, or mixed lesions...
April 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29623170/a-practical-approach-to-assessing-stent-results-with-ivus-or-oct
#17
REVIEW
Daisuke Hachinohe, Satoru Mitomo, Luciano Candilio, Azeem Latib
Coronary angiography is routinely used to assess the extent and severity of coronary artery disease and for decision-making during percutaneous coronary interventions (PCI). However, it is sometimes inadequate for deciding a strategy and defining optimal stenting outcomes. In this review, we present a comprehensive and practical approach to PCI using intravascular ultrasound or optical coherence tomography to optimize stent deployment and assess procedural complications after stent implantation.
January 2018: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/29621390/association-of-myopia-with-peripapillary-perfused-capillary-density-in-patients-with-glaucoma-an-optical-coherence-tomography-angiography-study
#18
Yanin Suwan, Masoud Aghsaei Fard, Lawrence S Geyman, Apichat Tantraworasin, Toco Y Chui, Richard B Rosen, Robert Ritch
Importance: This study used optical coherence tomographic angiography to assess for impaired blood flow in myopic eyes with or without open-angle glaucoma. Objective: To compare the peripapillary perfused capillary density (PCD) between eyes with and without glaucoma. Design, Setting, and Participants: In this cross-sectional study at a tertiary glaucoma referral practice, we recruited patients with myopic eyes of spherical equivalent of more than -3...
April 5, 2018: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29621379/fluorescein-angiographic-characteristics-of-macular-edema-during-infancy
#19
Xi Chen, Shwetha Mangalesh, Du Tran-Viet, Sharon F Freedman, Lejla Vajzovic, Cynthia A Toth
Importance: Macular edema during infancy, a subclinical feature identified in premature infants by handheld spectral-domain optical coherence tomography (SD-OCT), has been associated with poorer visual acuity and neurodevelopmental outcomes. Features of macular edema on fluorescein angiography (FA) are needed to understand its pathophysiology, but to date have not been reported previously. Objective: To investigate the FA features of macular edema during infancy...
April 5, 2018: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29619262/optical-coherence-tomography-angiography-of-combined-central-retinal-artery-and-vein-occlusion
#20
Shuo-Chieh Wu, Victor M Villegas, Jaclyn L Kovach
Optical coherence tomography angiography (OCTA) is a new, noninvasive technology that enables detailed evaluation of flow in the retinal and choroidal vasculature. The authors believe this to be the first report to describe the optical coherence tomography angiography findings associated with combined central retinal artery occlusion (CRAO) and central retinal vein occlusion (CRVO).
2018: Case Reports in Ophthalmological Medicine
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