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https://www.readbyqxmd.com/read/27847643/novel-perspectives-on-swept-source-optical-coherence-tomography
#1
REVIEW
Fabio Lavinsky, Daniel Lavinsky
Technologies for multimodal digital imaging of vitreoretinal diseases have improved the accuracy of diagnosis and the depth of the knowledge of the mechanisms of disease and their response to treatments. Optic coherence tomography (OCT) has become a mandatory tool for the management and for the follow-up of retinal pathologies. OCT technology evolved in the last two decades from time-domain to spectral domain and recently to the swept-source OCTs (SS-OCT). SS-OCT improved the depth of imaging and the scan speed, thus adding novel algorithms and features such as for vitreous and vitreoretinal interface evaluation, choroid segmentation and mapping, OCT angiography and En-face OCT...
2016: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/27824724/multiple-evanescent-white-dot-syndrome-with-central-visual-loss
#2
Gaetano R Barile, Sarah A Harmon
PURPOSE: To report the clinical case of a 64-year-old man who developed several features of multiple evanescent white dot syndrome (MEWDS) but with central visual loss that persisted because of significant structural macular disease. METHODS: A case report was generated by a review of the clinical course and imaging investigations of one patient, along with review of the literature. RESULTS: A 64-year-old man noted decreased vision in the right eye for 2 weeks, associated with a central scotoma with shimmering, gauze effect of the vision...
November 7, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27749785/choroidal-morphology-in-eyes-with-polypoidal-choroidal-vasculopathy-and-normal-or-subnormal-subfoveal-choroidal-thickness
#3
Won Ki Lee, Jiwon Baek, Kunal K Dansingani, Jae Hyung Lee, K Bailey Freund
PURPOSE: To subsegment the choroid in patients with polypoidal choroidal vasculopathy and to determine whether the ratio of choriocapillaris/Sattler layer thickness to total choroidal thickness is decreased at sites of polypoidal pathology. METHODS: Retrospective, observational, cross-sectional study. A total of 320 eyes of 305 patients with polypoidal choroidal vasculopathy were studied with optical coherence tomography and dye angiography. The ratio of choriocapillaris/Sattler layer thickness to total choroidal thickness was calculated at polypoidal lesion sites in eyes with subfoveal choroidal thickness (SFCT) ≤200 μm...
October 3, 2016: Retina
https://www.readbyqxmd.com/read/27749784/focal-choroidal-excavation-and-its-association-with-pachychoroid-spectrum-disorders-a-review-of-the-literature-and-multimodal-imaging-findings
#4
Hyewon Chung, Suk Ho Byeon, K Bailey Freund
PURPOSE: To review the literature regarding focal choroidal excavation and show its association with pachychoroid features through case examples. METHODS: The clinical manifestations of focal choroidal excavation are illustrated with various imaging modalities inclusive of fundus photography, fundus autofluorescence, fluorescein angiography, indocyanine green angiography, spectral domain optical coherence tomography (OCT), enhanced depth imaging OCT, and swept-source OCT...
October 4, 2016: Retina
https://www.readbyqxmd.com/read/27685502/retinal-detachment-associated-with-peripheral-tear-of-the-retinal-pigment-epithelium-in-pachychoroid-spectrum-disease
#5
Mikel Mikhail, Nour Nofal, Mikael Sebag
PURPOSE: To describe a rare case of an exudative retinal detachment associated with a peripheral tear of the retinal pigment epithelium in a young myopic pachychoroid eye. METHODS: Clinical case report and literature review. Imaging was obtained with color fundus photography, spectral domain optical coherence tomography, fluorescein angiography, and fluorescein angiography. RESULTS: A 33-year-old white man presented with an exudative choroidopathy resulting in an exudative neurosensory detachment, associated with peripheral retinal pigment epithelium tears...
September 28, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27627749/mineralocorticoid-receptor-antagonist-treatment-in-bilateral-chronic-central-serous-chorioretinopathy-a-comparative-study-of-exudative-and-nonexudative-fellow-eyes
#6
Róbert Gergely, Illés Kovács, Miklós Schneider, Miklós Resch, András Papp, Zsuzsanna Récsán, Zoltán Zsolt Nagy, Mónika Ecsedy
PURPOSE: To evaluate the macular thickness, choroidal thickness, and visual acuity changes in eyes of patients with bilateral chronic central serous chorioretinopathy during eplerenone treatment. METHODS: This prospective clinical trial was conducted on patients with bilateral chronic central serous chorioretinopathy, who had subretinal fluid (SRF) in 1 eye. Twenty-eight patients were treated with 50 mg/day of oral eplerenone for 3 months and were observed for another 3 months...
September 13, 2016: Retina
https://www.readbyqxmd.com/read/27597633/pachychoroid-neovasculopathy-aspect-on-optical-coherence-tomography-angiography
#7
Georges Azar, Benjamin Wolff, Martine Mauget-Faÿsse, Marco Rispoli, Maria-Cristina Savastano, Bruno Lumbroso
PURPOSE: To describe and interpret the features of pachychoroid neovasculopathy (PNV) using optical coherence tomography angiography (OCTA) technique. METHODS: This is an observational case series of patients who presented with PNV. Best-corrected visual acuity (BCVA), anterior segment examination, dilated funduscopic examination, infrared and autofluorescence fundus images and spectral-domain optical coherence tomography (SD-OCT; B-scan, 'en-face' and OCTA) were carried out for all patients...
September 6, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27583829/peripapillary-pachychoroid-in-nonarteritic-anterior-ischemic-optic-neuropathy
#8
Lina Nagia, Carrie Huisingh, John Johnstone, Lanning B Kline, Mark Clark, Michael J A Girard, Jean Martial Mari, Christopher A Girkin
PURPOSE: This study examined the peripapillary choroidal thickness (PCT) in nonarteritic ischemic optic neuropathy (NAION) in comparison to contralateral eyes and normal eyes. METHODS: We used enhanced depth imaging spectral-domain optical coherence tomography to image the optic nerve head of 20 NAION, 10 contralateral eyes, and 102 normal eyes. Following compensation, the scans were manually delineated to identify relevant surfaces including Bruch's membrane opening (BMO), Bruch's membrane, and anterior sclera...
September 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27506487/risk-alleles-associated-with-neovascularization-in-a-pachychoroid-phenotype
#9
Kunal K Dansingani, Lorah T Perlee, Sara Hamon, May Lee, Vinnie P Shah, Richard F Spaide, John Sorenson, James M Klancnik, Lawrence A Yannuzzi, Irene A Barbazetto, Michael J Cooney, Michael Engelbert, Christine Chen, Alex W Hewitt, K Bailey Freund
No abstract text is available yet for this article.
August 6, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27506483/alterations-of-the-lamina-cribrosa-are-associated-with-peripapillary-retinoschisis-in-glaucoma-and-pachychoroid-spectrum-disease
#10
Jae Hyung Lee, Hae-Young Lopilly Park, Jiwon Baek, Won Ki Lee
PURPOSE: To describe the findings of enhanced depth imaging (EDI) optical coherence tomography (OCT) of the lamina cribrosa (LC) in glaucoma and pachychoroid spectrum diseases associated with peripapillary retinoschisis. DESIGN: Retrospective, observational case series. PARTICIPANTS: A total of 16 patients from 1 institution. METHODS: Detailed medical case histories, optic disc and retinal imaging with EDI using the Spectralis OCT (Heidelberg Engineering, Heidelberg, Germany), and clinical course were reviewed for patients with peripapillary retinoschisis without a known predisposing condition...
October 2016: Ophthalmology
https://www.readbyqxmd.com/read/27471372/pachychoroid-neovasculopathy-in-extramacular-choroidal-neovascularization
#11
Mrinali Patel Gupta, Irene Rusu, Carly Seidman, Anton Orlin, Donald J D'Amico, Szilard Kiss
PURPOSE: To review a series of extramacular choroidal neovascular membranes (CNVMs) in the context of their choroidal features, as determined by optical coherence tomography (OCT). METHODS: Patients with extramacular CNVMs were identified from a tertiary care center through a review of records. The charts and cases were reviewed using multimodal imaging including fundus photography, OCT, fluorescein angiography (FA), and indocyanine angio-graphy (ICG). RESULTS: Of six patients with extramacular CNVMs evaluated in this series, four patients (66...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27349411/subretinal-hyperreflective-material-imaged-with-optical-coherence-tomography-angiography
#12
Kunal K Dansingani, Anna C S Tan, Fatimah Gilani, Nopasak Phasukkijwatana, Eduardo Novais, Lea Querques, Nadia K Waheed, Jay S Duker, Giuseppe Querques, Lawrence A Yannuzzi, David Sarraf, K Bailey Freund
PURPOSE: The range of subretinal hyperreflective material (SHRM) seen in macular disease includes type 2 macular neovascularization, fibrosis, exudation, vitelliform material, and hemorrhage. The prognostic significance of SHRM has been evaluated retrospectively in clinical trials, but discriminating SHRM subtypes traditionally requires multiple imaging modalities. The purpose of this study is to describe optical coherence tomography angiography (OCTA) flow characteristics and artifacts that might help to distinguish SHRM subtypes...
September 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27164756/-age-related-macular-degeneration-in-the-japanese
#13
Nagahisa Yoshimura
Age-related macular degeneration (AMD) in the Japanese often shows different clinical features from those described in Caucasians. For example, we often observe choroidal neovascularization (CNV) in elderly patients without drusen in the fundus. The high incidence of polypoidal choroidal vasculopathy (PCV) in AMD among Japanese is well-known. The reason why such differences occur in clinical manifestations of AMD has been one of my main interests. In this review article, I will discuss the characteristics of AMD in the Japanese population, as found in our recent study...
March 2016: Nippon Ganka Gakkai Zasshi
https://www.readbyqxmd.com/read/26963959/focal-choroidal-excavation-and-choroidal-neovascularization-with-associated-pachychoroid
#14
Quraish Ghadiali, Kunal K Dansingani, K Bailey Freund
PURPOSE: To report a case of focal choroidal excavation and choroidal neovascularization in the setting of pachychoroid disease. METHODS: Multimodal imaging, including fundus photography, fundus autofluorescence, enhanced depth imaging optical coherence tomography, indocyanine green angiography, and en face structural and angiographic optical coherence tomography. RESULTS: The authors describe a 39-year-old female with moderately high myopia presenting with focal choroidal excavation and associated choroidal neovascularization...
October 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/26542071/pachychoroid-neovasculopathy-and-age-related-macular-degeneration
#15
Masahiro Miyake, Sotaro Ooto, Kenji Yamashiro, Ayako Takahashi, Munemitsu Yoshikawa, Yumiko Akagi-Kurashige, Naoko Ueda-Arakawa, Akio Oishi, Hideo Nakanishi, Hiroshi Tamura, Akitaka Tsujikawa, Nagahisa Yoshimura
Pachychoroid neovasculopathy is a recently proposed clinical entity of choroidal neovascularization (CNV). As it often masquerades as neovascular age-related macular degeneration (AMD), it is currently controversial whether pachychoroid neovasculopathy should be distinguished from neovascular AMD. This is because its characteristics have yet to be well described. To estimate the relative prevalence of pachychoroid neovasculopathy in comparison with neovascular AMD and to investigate the phenotypic/genetic differences of the two diseases, we evaluated 200 consecutive Japanese patients who agreed to participate in the genetic study and diagnosed with pachychoroid neovasculopathy or neovascular AMD...
2015: Scientific Reports
https://www.readbyqxmd.com/read/26478514/investigating-the-choriocapillaris-and-choroidal-vasculature-with-new-optical-coherence-tomography-technologies
#16
REVIEW
Daniela Ferrara, Nadia K Waheed, Jay S Duker
The body of knowledge of in vivo investigation of the choroid has been markedly enhanced by recent technological advances in optical coherence tomography (OCT). New insights elucidating the morphological features of the choriocapillaris and choroidal vasculature, in both physiological and pathological conditions, indicate that the choroid plays a pivotal role in many posterior segment diseases. In this article, a review of the histological characteristics of the choroid, which must be considered for the proper interpretation of in vivo imaging, is followed by a comprehensive discussion of fundamental principles of the current state-of-the-art in OCT, including cross-sectional OCT, en face OCT, and OCT angiography using both spectral domain OCT and swept source OCT technologies...
May 2016: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/26335436/en-face-imaging-of-pachychoroid-spectrum-disorders-with-swept-source-optical-coherence-tomography
#17
Kunal K Dansingani, Chandrakumar Balaratnasingam, Jonathan Naysan, K Bailey Freund
PURPOSE: To correlate clinical manifestations with choroidal morphology in pachychoroid disorders, including central serous chorioretinopathy, pachychoroid pigment epitheliopathy, pachychoroid neovasculopathy, and polypoidal choroidal vasculopathy, using en face swept-source optical coherence tomography (OCT). METHODS: Patients with pachychoroid spectrum diagnoses were identified nonconsecutively through a review of charts and multimodal imaging. Each eye was categorized as uncomplicated pachychoroid, pachychoroid pigment epitheliopathy, central serous chorioretinopathy, pachychoroid neovasculopathy, or polypoidal choroidal vasculopathy...
March 2016: Retina
https://www.readbyqxmd.com/read/26319161/optical-coherence-tomography-angiography-of-shallow-irregular-pigment-epithelial-detachments-in-pachychoroid-spectrum-disease
#18
Kunal K Dansingani, Chandrakumar Balaratnasingam, Michael A Klufas, David Sarraf, K Bailey Freund
PURPOSE: To determine the proportion of shallow irregular pigment epithelial detachments in eyes with pachychoroid features that harbor neovascular tissue and to study the morphology of this tissue with optical coherence tomography (OCT) angiography. DESIGN: Prospective consecutive cohort study. METHODS: Patients with pachychoroid spectrum diagnoses and shallow irregular pigment epithelial detachment in at least 1 eye (study eye) were included...
December 2015: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/25756060/pachychoroid-diseases-of-the-macula
#19
REVIEW
Roberto Gallego-Pinazo, Rosa Dolz-Marco, Francisco Gómez-Ulla, Sarah Mrejen, K Bailey Freund
Advances in optical coherence tomography have enabled a better appreciation of the role of pathologic choroidal changes in a variety of retinal disease. A "pachychoroid" (pachy-[prefix]: thick) is defined as an abnormal and permanent increase in choroidal thickness often showing dilated choroidal vessels and other structural alterations of the normal choroidal architecture. Central serous chorioretinopathy is just one of several pachychoroid-related macular disorders. This review summarizes the current state of knowledge of the pachycoroid spectrum and the hallmark features seen with multimodal imaging analysis of these entities...
2014: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/25158945/pachychoroid-neovasculopathy
#20
Claudine E Pang, K Bailey Freund
PURPOSE: To report 3 cases of pachychoroid neovasculopathy, a form of Type 1 (sub-retinal pigment epithelium) neovascularization, occurring over areas of increased choroidal thickness and dilated choroidal vessels. METHODS: A retrospective observational case series of three patients who underwent comprehensive ophthalmic examination and multimodal imaging with fundus photography, fundus autofluorescence, spectral domain optical coherence tomography, enhanced depth imaging optical coherence tomography, fluorescein angiography, and indocyanine green angiography...
January 2015: Retina
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