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Retinal angiography

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https://www.readbyqxmd.com/read/28728183/early-focal-laser-photocoagulation-in-acute-central-serous-chorioretinopathy-a-prospective-randomized-study
#1
Vikas Ambiya, Mitali Khodani, Abhilash Goud, Raja Narayanan, Mudit Tyagi, Padmaja Kumari Rani, Jay Chhablani
BACKGROUND AND OBJECTIVE: To evaluate the role of early focal laser photocoagulation in acute central serous chorioretinopathy (CSC). PATIENTS AND METHODS: A total of 58 eyes with acute naïve CSC (less than 2 months' duration) with focal leak on fundus fluorescein angiography (FFA) were randomized into either a laser or a sham laser group. Eyes with chronic CSC and subfoveal leak were excluded. Visual acuity assessment, microperimetry, optical coherence tomography, and FFA were done at baseline, 1 month (minus FFA), 3 months, and 6 months after treatment...
July 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28728171/optical-coherence-tomography-angiography-of-the-superficial-microvasculature-in-the-macular-and-peripapillary-areas-in-glaucomatous-and-healthy-eyes
#2
Henry Shen-Lih Chen, Chun-Hsiu Liu, Wei-Chi Wu, Hsiao-Jung Tseng, Yung-Sung Lee
Purpose: To quantitatively evaluate the superficial microvasculature in the macular and peripapillary areas in glaucomatous and healthy eyes using optical coherence tomography angiography (OCT-A). Methods: We enrolled 26 eyes of medically managed primary open-angle glaucoma patients and 27 eyes of healthy subjects were enrolled in this prospective study. Measurements of OCT-A vessel density were acquired both in the macular and peripapillary areas. We compared vessel density values, the circumpapillary retinal nerve fiber layer (cpRNFL), the ganglion cell complex (GCC), and standard automated perimetry (SAP) parameters across study groups...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28727884/oct-angiography-and-ellipsoid-zone-mapping-of-macular-telangiectasia-type-2-from-the-avatar-study
#3
Anne P Runkle, Peter K Kaiser, Sunil K Srivastava, Andrew P Schachat, Jamie L Reese, Justis P Ehlers
Purpose: To evaluate alterations on optical coherence tomography angiography (OCT-A) and quantitatively assess alterations in the ellipsoid zone (EZ) in eyes with macular telangiectasia type 2 (MacTel type 2). Methods: The Observational Assessment of Visualizing and Analyzing Vessels With Optical Coherence Tomography Angiography in Retinal Diseases study is an institutional review board-approved prospective, observational study investigating OCT-A in macular disease...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28726070/-flow-density-measurements-using-optical-coherence-tomography-angiography-impact-of-age-and-gender
#4
M Alnawaiseh, C Brand, J L Lauermann, N Eter
BACKGROUND: This article presents the normative data for flow density measured using optical coherence tomography (OCT) angiography and the impact of age and gender is evaluated. METHODS: In this study 58 eyes from 58 healthy volunteers with no history of any ocular disease or ocular surgery were included. The OCT angiography imaging was performed using the RTVue XR Avanti with the AngioVue (Optovue, Fremont, CA). The macula was imaged using a 3 × 3 mm scan, and the flow density data in the superficial retinal OCT angiogram and deep retinal OCT angiogram were extracted and analyzed...
July 19, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28724375/bilateral-idiopathic-retinal-vasculitis-following-coxsackievirus-a4-infection-a-case-report
#5
Izumi Mine, Manzo Taguchi, Yutaka Sakurai, Masaru Takeuchi
BACKGROUND: Coxsackieviruses are members of a group of viruses called the enteroviruses, which may cause respiratory and gastrointestinal symptoms, erythema, meningoencephalitis, myocarditis, pericarditis, and myositis. Unilateral acute idiopathic maculopathy caused by coxsackievirus A16 has been associated with hand, foot, and mouth disease, but only a few reports describe retinitis associated with coxsackievirus serotype B3 or B4. We report a case of bilateral multifocal obstructive retinal vasculitis that developed after coxsackievirus A4 infection...
July 19, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28723851/indocyanine-green-angiography-of-pachychoroid-pigment-epitheliopathy
#6
M Giray Ersoz, Serra Arf, Mumin Hocaoglu, Isil Sayman Muslubas, Murat Karacorlu
PURPOSE: To compare choroidal hyperpermeability and vessel density between eyes with central serous chorioretinopathy (CSC), those with pachychoroid pigment epitheliopathy (PPE) and those with uncomplicated pachychoroid (UCP). METHODS: We retrospectively reviewed indocyanine green angiography images of 60 patients with unilateral active CSC who had PPE (36 eyes) or UCP (24 eyes) in their fellow eyes. We used color thresholding of indocyanine green angiography images to determine choroidal vessel density...
July 18, 2017: Retina
https://www.readbyqxmd.com/read/28723848/progression-of-macular-atrophy-in-eyes-with-type-1-neovascularization-and-age-related-macular-degeneration-receiving-long-term-intravitreal-anti-vascular-endothelial-growth-factor-therapy-an-optical-coherence-tomographic-angiography-analysis
#7
Joseph G Christenbury, Nopasak Phasukkijwatana, Fatimah Gilani, K Baily Freund, SriniVas Sadda, David Sarraf
PURPOSE: To evaluate the size and location of macular atrophy in eyes with Type-1 neovascularization (NV) and age-related macular degeneration receiving chronic intravitreal anti-vascular endothelial growth factor therapy. METHODS: A retrospective review of a case series of 27 eyes with Type-1 NV and retinal pigment epithelial detachment (PED) having a minimum of 12 months follow-up was performed. Demographic information and visual acuity at baseline and the final follow-up were collected...
July 18, 2017: Retina
https://www.readbyqxmd.com/read/28723846/value-of-fractal-analysis-of-optical-coherence-tomography-angiography-in-various-stages-of-diabetic-retinopathy
#8
Suruchi Bhardwaj, Edmund Tsui, Sarwar Zahid, Emma Young, Nitish Mehta, Steven Agemy, Patricia Garcia, Richard B Rosen, Joshua A Young
PURPOSE: To use fractal dimensional analysis to investigate retinal vascular disease patterns in patients with diabetic retinopathy using spectral domain optical coherence tomography angiography. METHODS: A retrospective study was conducted which included 49 eyes from 26 control subjects and 58 eyes from 35 patients known to have diabetic retinopathy. Of the 58 eyes with known retinopathy, 31 were categorized as nonproliferative diabetic retinopathy (13 mild, 9 moderate, and 9 severe) and 27 were categorized as proliferative diabetic retinopathy...
July 18, 2017: Retina
https://www.readbyqxmd.com/read/28715584/reduced-retinal-vessel-density-in-obstructive-sleep-apnea-syndrome-patients-an-optical-coherence-tomography-angiography-study
#9
Jian Yu, Kuanlin Xiao, Jingjing Huang, Xinghuai Sun, Chunhui Jiang
Purpose: To examine the retinal vasculature in patients with obstructive sleep apnea-hypopnea syndrome (OSAS) and to determine the correlation between retinal vascularity and the severity of OSAS. Design: Prospective, cross-sectional study. Methods: Sixty-nine consecutive subjects who underwent polysomnography were enrolled. Patients were divided into three groups according to the severity of OSAS, which was defined using the apnea-hypopnea index (AHI) as normal-to-mild (AHI <15), moderate (≥15 to <30), or severe (≥30)...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28708222/multimodal-imaging-in-a-patient-with-traumatic-choroidal-ruptures
#10
Luisa Pierro, Chiara Giuffrè, Alessandro Rabiolo, Marco Gagliardi, Alessandro Arrigo, Francesco Bandello
PURPOSE: To describe the case and the follow-up of a traumatic choroidal rupture characterized by means of multimodal imaging including color fundus photographs, infrared reflectance, blue autofluorescence, swept-source optical coherence tomography, fluorescein angiography (FA), indocyanine green angiography (ICGA), and optical coherence tomography angiography (OCT-A). METHODS: Case report. RESULTS: A 17-year-old boy was referred to our clinic complaining of reduction in visual acuity in the right eye (RE) after a blunt ocular trauma during a soccer match...
July 5, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28702261/macular-findings-in-spectral-domain-optical-coherence-tomography-and-oct-angiography-in-a-patient-with-kearns-sayre-syndrome
#11
Alvaro Ortiz, Juan Arias, Pedro Cárdenas, John Villamil, Marcela Peralta, Luis C Escaf, Jacobo Ortiz
BACKGROUND: To report the clinical, electrophysiological and the anatomical findings in a patient with Kearns-Sayre syndrome (KSS). CASE PRESENTATION: We present the case of a 55-year-old female with KSS, who developed systemic features and ocular manifestations as ophthalmoplegia and retinal dysfunction, that were corroborated by electrophysiological test and High Definition Spectral Domain Optical Coherence Tomography (HD SD OCT) and OCT-Angiography (OCT-A). CONCLUSION: We report a patient with KSS, accompanied by some alterations of the RPE and photoreceptors observed in the external HD SD OCT and OCT-A...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28701715/clinical-relevance-of-reduced-decorrelation-signals-in-the-diabetic-inner-choroid-on-optical-coherence-tomography-angiography
#12
Yoko Dodo, Kiyoshi Suzuma, Kenji Ishihara, Shin Yoshitake, Masahiro Fujimoto, Tatsuya Yoshitake, Yuko Miwa, Tomoaki Murakami
Diabetes induces lesions of the retinal and choroidal capillaries, which promote the pathogenesis of diabetic retinopathy (DR). The decorrelation signals in optical coherence tomography angiography (OCTA) represent the blood flow and vascular structure, and three-dimensional OCTA images enable individual capillary layers to be evaluated separately. The current study documented that en-face OCTA images revealed spots of flow void in the choriocapillaris layer in eyes with DR. Quantitative investigation demonstrated that non-flow areas within the central subfield (CSF) increased in eyes with more severe DR grades...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28701214/the-effect-of-oral-acetazolamide-on-cystoid-macular-edema-in-hydroxychloroquine-retinopathy-a-case-report
#13
Eun Hee Hong, Seong Joon Ahn, Han Woong Lim, Byung Ro Lee
BACKGROUND: Hydroxychloroquine (HCQ) retinopathy can accompany other retinal complications such as cystoid macular edema (CME), which leads to central visual loss. We report a case of CME with HCQ retinopathy that improved with the use of oral acetazolamide, and discussed the possible mechanisms of CME in HCQ retinopathy using multimodal imaging modalities. CASE PRESENTATION: A 62-year-old patient with systemic lupus erythematosus (SLE) and HCQ retinopathy developed bilateral CME with visual decline...
July 12, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28700136/an-automated-framework-to-quantify-areas-of-regional-ischemia-in-retinal-vascular-diseases-with-oct-angiography
#14
Neha Anegondi, Lavanya Chidambara, Devanshi Bhanushali, Santosh G K Gadde, Naresh Kumar Yadav, Abhijit Sinha Roy
In this observational and cross-sectional study, capillary non perfusion (CNP) and vascular changes in branch retinal vein occlusion (BRVO, sample size (n) = 26) and choroidal neovascularization (CNV, n = 29) were evaluated. Subjects underwent imaging using Optical coherence tomography angiography (Angiovue™ OCTA , RTVue XR, Optovue Inc., Fremont, CA). Local fractal analysis was applied to the OCTA images of superficial, deep and choriocapillaries layer. CNP area (BRVO eyes) and vascular parameters were computed using local fractal based method...
July 12, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28696172/multimodal-imaging-in-retinal-vasculitis
#15
Aniruddha Agarwal, Rubbia Afridi, Rupesh Agrawal, Diana V Do, Vishali Gupta, Quan Dong Nguyen
Retinal vasculitis presents with inflammation involving the retinal vasculature as an isolated disease or in combination with other ocular or systemic conditions. This entity may be associated with a wide variety of clinical manifestations such as vascular sheathing, cotton-wool spots, retinal ischemia, and neovascularization. Often, retinal vasculitis and its complications lead to diagnostic challenges in identifying the exact etiology of the inflammation. Ancillary investigations such as fundus photography, fluorescein angiography, and more recently, adaptive optics imaging and optical coherence tomography angiography, may provide valuable information that help in establishing the exact diagnosis and initiation of appropriate therapy...
June 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28695542/wide-field-fluorescein-and-indocyanine-green-angiography-findings-in-the-eyes-with-vogt-koyanagi-harada-disease
#16
Ryo Kurobe, Yoshio Hirano, Naomi Niwa, Kazuhiko Sugitani, Tsutomu Yasukawa, Munenori Yoshida, Yuichiro Ogura
BACKGROUND: The purpose of this study is to report wide-field angiography findings before and after steroid therapy in a case with bilateral Vogt-Koyanagi-Harada (VKH) disease. RESULTS: A 44-year-old woman presented with bilateral blurred vision and metamorphopsia accompanied by symptoms of headache and tinnitus. The baseline best-corrected visual acuity was 20/20 in both eyes. Ophthalmic examination revealed a shallow anterior chamber and panuveitis accompanied by multiple serous retinal detachments in both eyes and ciliochoroidal detachments in the left eye...
December 2017: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/28695380/macular-capillary-recovery-in-systemic-lupus-erythematosus-complicated-by-kikuchi-fujimoto-disease
#17
Reiko Kinouchi, Motoshi Kinouchi, Akihiro Ishibazawa, Akitoshi Yoshida
PURPOSE: Few case reports have described vaso-occlusive retinopathy in systemic lupus erythematosus (SLE) using optical coherence tomography (OCT) angiography. Here we report the clinical features of a patient with SLE, complicated by Kikuchi-Fujimoto disease, who developed vaso-occlusive retinopathy. We then describe the subsequent recovery of the macular capillaries as assessed by OCT angiography. CASE: A 16-year-old male was referred to us with fever, a 1-month history of violaceous red papules and erythematous plaques on his face and a painful nodule in his right neck...
July 10, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28687846/comparison-of-the-retinal-microvascular-density-between-open-angle-glaucoma-and-nonarteritic-anterior-ischemic-optic-neuropathy
#18
Chun-Hsiu Liu, Wei-Chi Wu, Ming-Hui Sun, Ling-Yuh Kao, Yung-Sung Lee, Henry Shen-Lih Chen
Purpose: To compare optical coherence tomography angiography (OCT-A) retinal vasculature measurements between nonarteritic anterior ischemic optic neuropathy (NAION) and open angle glaucoma (OAG) with altitudinal hemifield visual field defects. Methods: This retrospective cross-sectional study included 10 NAION eyes and 16 OAG eyes, both demonstrating hemifield visual field defects, and 27 normal eyes serving as controls. The peripapillary and macular OCT-A scans were acquired...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28687219/diabetic-macular-edema-with-and-without-subfoveal-neuroretinal-detachment-two-different-morphological-and-functional-entities
#19
Stela Vujosevic, Tommaso Torresin, Marianna Berton, Silvia Bini, Enrica Convento, Edoardo Midena
PURPOSE: To assess specific morphologic and functional characteristics in eyes with diabetic macular edema (DME) with subfoveal neuroretinal detachment (SND+) vs DME without SND (SND-). DESIGN: Cross-sectional, prospective, comparative case series. METHODS: Seventy two patients (72 eyes: 22 eyes SND+ and 50 eyes SND-) with treatment-naïve, center-involving DME were evaluated. Data gathering included fundus color photographs, fluorescein angiography, spectral-domain optical coherence tomography (SD-OCT), best corrected visual acuity (BCVA), and microperimetry...
July 4, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28687121/new-imaging-techniques-in-retinal-vasculitis
#20
REVIEW
Marina Mesquida, Víctor Llorens, Alfredo Adán
The term retinal vasculitis (RV) encompasses a heterogeneous group of sight-threatening conditions that are included in the intraocular inflammatory diseases that affect the posterior segment of the eye. Based on the nature of the inflammatory process, RV are classified into predominantly inflammatory or ischaemic (occlusive RV). The diagnosis is clinical and the aetiology can be infectious or non-infectious (immune-mediated). RV can be an isolated ocular syndrome or be associated with a systemic disease, of which they can represent the first manifestation...
July 4, 2017: Medicina Clínica
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