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Reticular Pseudodrusen

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https://www.readbyqxmd.com/read/28490860/choroidal-structure-determined-by-binarizing-optical-coherence-tomography-images-in-eyes-with-reticular-pseudodrusen
#1
Naonori Masuda, Masashi Kojima, Mariko Yamashita, Tomo Nishi, Nahoko Ogata
PURPOSE: To compare the choroidal structure beneath the macular area in eyes with reticular pseudodrusen (RPD) and age-matched controls. METHODS: This study was performed at Nara Medical University Hospital, Japan. Twenty eyes of 14 patients (82.3±4.2 years, mean ± standard deviation) with RPD and 35 eyes of 20 age-matched controls (81.5±6.0 years) were studied. The choroidal structure was determined by binarizing the images obtained by enhanced depth imaging optical coherence tomography in all patients and controls...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28453367/retinal-pigment-epithelium-photoreceptor-layer-alterations-in-a-patient-with-sturge-weber-syndrome-with-diffuse-choroidal-hemangioma
#2
Solmaz Abdolrahimzadeh, Francesco Parisi, Flavio Mantelli, Andrea Perdicchi, Gianluca Scuderi
PURPOSE: To describe an 8-year-old girl with diagnosis of Sturge-Weber syndrome (SWS) presenting with glaucoma, abnormal iris vessels, diffuse choroidal hemangioma, and small white dot-shaped "microdrusen-like" alterations of the retina in the right eye. PATIENT AND METHODS: Complete ophthalmological examination was performed with slit-lamp anterior segment assessment and fundus ophthalmoscopy. Near infrared reflectance (NIR) and enhanced depth imaging (EDI) spectral domain optical coherence tomography (SD-OCT) were carried out...
April 28, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28388704/quantitative-analysis-of-the-ellipsoid-zone-intensity-in-phenotypic-variations-of-intermediate-age-related-macular-degeneration
#3
Thomas J Gin, Zhichao Wu, Sky K H Chew, Robyn H Guymer, Chi D Luu
Purpose: Reduction of the ellipsoid zone (EZ) intensity has been reported in eyes with age-related macular degeneration (AMD). This study determined whether overall EZ intensity, in retinal locations undisturbed by pathologic features, is associated with the presence of clinical features, which are known important phenotypic risk factors for disease progression, large drusen, reticular pseudodrusen (RPD), and pigmentary abnormalities. Methods: A horizontal B-scan through the foveola on spectral-domain optical coherence tomography (SD-OCT) was performed in both eyes of 75 participants with bilateral intermediate AMD and 10 age-similar control participants...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28282065/fundus-autofluorescence-imaging-systematic-review-of-test-accuracy-for-the-diagnosis-and-monitoring-of-retinal-conditions
#4
REVIEW
G K Frampton, N Kalita, L Payne, J L Colquitt, E Loveman, S M Downes, A J Lotery
We conducted a systematic review of the accuracy of fundus autofluorescence (FAF) imaging for diagnosing and monitoring retinal conditions. Searches in November 2014 identified English language references. Sources included MEDLINE, EMBASE, the Cochrane Library, Web of Science, and MEDION databases; reference lists of retrieved studies; and internet pages of relevant organisations, meetings, and trial registries. For inclusion, studies had to report FAF imaging accuracy quantitatively. Studies were critically appraised using QUADAS risk of bias criteria...
March 10, 2017: Eye
https://www.readbyqxmd.com/read/28270492/retinal-pigment-epithelial-features-indicative-of-neovascular-progression-in-age-related-macular-degeneration
#5
Philipp K Roberts, Bernhard Baumann, Ferdinand G Schlanitz, Stefan Sacu, Matthias Bolz, Michael Pircher, Michael Hagmann, Christoph K Hitzenberger, Ursula Schmidt-Erfurth
BACKGROUND/AIMS: To identify characteristic retinal pigment epithelium (RPE) changes in fellow eyes of patients with neovascular age-related macular degeneration (nAMD) using polarisation-sensitive optical coherence tomography (PS-OCT). METHODS: Thirty-one fellow eyes of 31 patients with unilateral nAMD were evaluated in this cohort study of a prospective interventional trial. PS-OCT as well as conventional imaging including spectral-domain (SD)-OCT and fluorescein angiography (FA) were performed using a standardised protocol...
March 7, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28265823/changes-in-reticular-pseudodrusen-area-in-eyes-that-progressed-from-early-to-late-age-related-macular-degeneration
#6
Patrick A Kaszubski, Tal Ben Ami, Céline Saade, Camellia Nabati, Vivek Kumar, Ana Rita Santos, Rufino Silva, Maria Luz Cachulo, José G Cunha-Vaz, R Theodore Smith
OBJECTIVE: This retrospective cohort study utilized 3 imaging modalities to analyze quantitatively reticular pseudodrusen (RPD) area changes in eyes that progressed from early to late age-related macular degeneration (AMD). METHODS: Subjects with AMD, unilateral choroidal neovascularization (CNV), and early AMD with RPD in the fellow eye (the study eye) were included. The study eyes underwent indocyanine green angiography (ICGA), near-infrared reflectance (NIR-R), and short-wavelength autofluorescence (AF) imaging of the macula at baseline and at follow-up...
March 7, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28180131/semiautomated-segmentation-and-analysis-of-retinal-layers-in-three-dimensional-spectral-domain-optical-coherence-tomography-images-of-patients-with-atrophic-age-related-macular-degeneration
#7
Zhihong Hu, Yue Shi, Kiran Nandanan, Srinivas R Sadda
Historically, regular drusen and geographic atrophy (GA) have been recognized as the hallmarks of nonneovascular age-related macular degeneration (AMD). Recent imaging developments have revealed another distinct nonneovascular AMD phenotype, reticular pseudodrusen (RPD). We develop an approach to semiautomatically quantify retinal surfaces associated with various AMD lesions (i.e., regular drusen, RPD, and GA) in spectral domain (SD) optical coherence tomography (OCT) images. More specifically, a graph-based algorithm was used to segment multiple retinal layers in SD-OCT volumes...
January 2017: Neurophotonics
https://www.readbyqxmd.com/read/28108901/performance-characteristics-of-multicolor-versus-blue-light-and-infrared-imaging-in-the-identification-of-reticular-pseudodrusen
#8
Josep Badal, Marc Biarnés, Jordi Monés
PURPOSE: To describe the appearance of reticular pseudodrusen on multicolor imaging and to evaluate its diagnostic accuracy as compared with the two modalities that may be considered the current reference standard, blue light and infrared imaging. METHODS: Retrospective study in which all multicolor images (constructed from images acquired at 486 nm-blue, 518 nm-green and 815 nm-infrared) of 45 consecutive patients visited in a single center was reviewed. Inclusion criteria involved the presence of >1 reticular pseudodrusen on a 30° × 30° image centered on the fovea as seen with the blue light channel derived from the multicolor imaging...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28089680/peripheral-retinal-changes-associated-with%C3%A2-age-related-macular-degeneration-in%C3%A2-the-age-related-eye-disease-study-2-age-related-eye-disease-study-2-report-number-12-by-the%C3%A2-age-related-eye-disease-study-2-optos-peripheral-retina-opera-study-research-group
#9
Amitha Domalpally, Traci E Clemons, Ronald P Danis, SriniVas R Sadda, Catherine A Cukras, Cynthia A Toth, Thomas R Friberg, Emily Y Chew
PURPOSE: To compare rates of peripheral retinal changes in Age-Related Eye Disease Study 2 (AREDS2) participants with at least intermediate age-related macular degeneration (AMD) with control subjects without intermediate age-related changes (large drusen). DESIGN: Cross-sectional evaluation of clinic-based patients enrolled in AREDS2 and a prospective study. PARTICIPANTS: Participants from prospective studies. METHODS: The 200° pseudocolor and fundus autofluorescence (FAF) images were captured on the Optos 200 Tx Ultrawide-field device (Optos, Dunfermline, Scotland) by centering on the fovea and then steering superiorly and inferiorly...
April 2017: Ophthalmology
https://www.readbyqxmd.com/read/28057649/choroid-morphometric-analysis-in-non-neovascular-age-related-macular-degeneration-by-means-of-optical-coherence-tomography-angiography
#10
Maria Vittoria Cicinelli, Alessandro Rabiolo, Alessandro Marchese, Luigi de Vitis, Adriano Carnevali, Lea Querques, Francesco Bandello, Giuseppe Querques
AIMS: To describe the vascular changes in patients affected by non-neovascular age-related macular degeneration (AMD), featuring reticular pseudodrusen (RPD), drusen, or both RPD and drusen by means of optical coherence tomography angiography (OCT-A). METHODS: Cross-sectional observational case series. Patients with non-neovascular AMD presenting at the Medical Retina Service of the Department of Ophthalmology, University Vita-Salute San Raffaele in Milan were recruited...
January 5, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27926751/ocular-perfusion-pressure-and-choroidal-thickness-in-early-age-related-macular-degeneration-patients-with-reticular-pseudodrusen
#11
Cheolmin Yun, Jaemoon Ahn, Minjung Kim, Soon-Young Hwang, Seong-Woo Kim, Jaeryung Oh
Purpose: The purpose of this study was to investigate the relationship between the ocular perfusion pressure (OPP) and subfoveal choroidal thickness (CT) in eyes with early age-related macular degeneration (AMD) with or without reticular pseudodrusen (RPD). Methods: We evaluated the clinical history, blood pressure parameters, fundus photography, and optical coherence tomography images of consecutive patients with early AMD. We calculated the mean OPP from blood pressure and intraocular pressure...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27870798/retinal-angiomatous-proliferation-diagnosis-a-multiimaging-approach
#12
Vittoria Ravera, Ferdinando Bottoni, Andrea Giani, Mario Cigada, Giovanni Staurenghi
PURPOSE: To identify signs occurring more frequently in retinal angiomatous proliferation (RAP) lesions compared with other types of choroidal neovascularization (CNV) in age-related macular degeneration. METHODS: In this cross-sectional retrospective study, 30 patients were evaluated. These signs were correlated with the type of CNV: shunting of blood flow to the lesion by fluorescein angiography, late leakage by indocyanine green angiography, intraretinal cysts and retinal pigmented epithelium interruption along the retinal pigmented epithelium detachment with a hyperreflective oval area by spectral domain optical coherence tomography, and presence of reticular pseudodrusen by infrared light...
December 2016: Retina
https://www.readbyqxmd.com/read/27856030/comparison-between-widefield-en-face-swept-source-oct-and-conventional-multimodal-imaging-for-the-detection-of-reticular-pseudodrusen
#13
Karen B Schaal, Andrew D Legarreta, William J Feuer, Giovanni Gregori, Qianqian Cheng, John E Legarreta, Mary K Durbin, Paul F Stetson, Sophie Kubach, Philip J Rosenfeld
PURPOSE: The ability to detect reticular pseudodrusen (RPD)/subretinal drusenoid deposits (SDDs) using 12×12-mm widefield en face swept-source optical coherence tomography (SS-OCT) imaging was compared with conventional multimodal imaging (color, fundus autofluorescence (FAF), and infrared reflectance [IR] imaging) in eyes with nonexudative age-related macular degeneration (AMD). DESIGN: Cross-sectional study. PARTICIPANTS: Patients with nonexudative AMD were prospectively enrolled in an SS-OCT imaging study at the Bascom Palmer Eye Institute...
February 2017: Ophthalmology
https://www.readbyqxmd.com/read/27849311/choroidal-thickness-and-choroidal-vessel-density-in-nonexudative-age-related-macular-degeneration-using-swept-source-optical-coherence-tomography-imaging
#14
Fang Zheng, Giovanni Gregori, Karen B Schaal, Andrew D Legarreta, Andrew R Miller, Luiz Roisman, William J Feuer, Philip J Rosenfeld
Purpose: To analyze the relationship between choroidal thickness and the distribution of choroidal blood vessels in eyes with nonexudative AMD. Methods: Eyes with a diagnosis of nonexudative AMD were imaged using a prototype 100-kHz swept-source (SS) optical coherence tomography (OCT) instrument (Carl Zeiss Meditec, Dublin, CA, USA) with a central wavelength of 1050 nm. We used an OCT cube scan pattern consisting of 512 × 512 A-scans over a 12 × 12 mm retinal area...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27794427/choriocapillaris-nonperfusion-is-associated-with-poor-visual-acuity-in-eyes-with-reticular-pseudodrusen
#15
Peter L Nesper, Brian T Soetikno, Amani A Fawzi
PURPOSE: To study choriocapillaris blood flow in age-related macular degeneration (AMD) using optical coherence tomography angiography (OCTA) and study its correlation to visual acuity (VA) in eyes with reticular pseudodrusen (RPD) vs those with drusen without RPD (drusen). DESIGN: Cross-sectional study. METHODS: Patients with either drusen or RPD in early AMD underwent OCTA imaging of the superior, inferior, and/or nasal macula. We quantified "percent choriocapillaris area of nonperfusion" (PCAN) in eyes with RPD vs those with drusen...
February 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27768796/epidemiology-of-reticular-pseudodrusen-in-age-related-macular-degeneration-the-rotterdam-study
#16
Gabriëlle H S Buitendijk, Ada J Hooghart, Corina Brussee, Paulus T V M de Jong, Albert Hofman, Johannes R Vingerling, Caroline C W Klaver
Purpose: Reticular pseudodrusen (RPD) are considered to be a distinct feature in AMD. Population studies have studied the epidemiology of RPD using standard color fundus photographs (CFP). However, recent studies have shown that RPD are better imaged using near-infrared (NIR) imaging. We studied the epidemiology of RPD in a large population-based study using NIR and CFP. Methods: Participants aged 65+ years from the Rotterdam Study underwent ophthalmologic examination including NIR and CFP...
October 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27768118/clinical-features-and-long-term-progression-of-reticular-pseudodrusen-in-age-related-macular-degeneration-findings-from-a-multicenter-cohort
#17
J Q Gil, J P Marques, R Hogg, C Rosina, M L Cachulo, A Santos, G Staurenghi, U Chakravarthy, R Silva
PurposeTo determine whether reticular pseudodrusen (RPD) confer a long-term increased risk of progression to late age-related macular degeneration (AMD) in the fellow eye of patients with unilateral wet-AMD.Patients and methodsThis was a multicenter, combined prospective and retrospective, longitudinal, observational, study. Patients with wet-AMD in one eye were recruited from two centers and evaluated on the risk of progression to late-AMD in the second eye (study eye). A minimum follow-up of 5 years was required, unless progression occurred first...
March 2017: Eye
https://www.readbyqxmd.com/read/27756079/assessment-of-retinotopic-rod-photoreceptor-function-using-a-dark-adapted-chromatic-perimeter-in-intermediate-age-related-macular-degeneration
#18
Rogan G Fraser, Rose Tan, Lauren N Ayton, Emily Caruso, Robyn H Guymer, Chi D Luu
Purpose: We determine the feasibility of using a dark-adapted chromatic (DAC) perimeter to obtain dark-adapted static and dynamic rod function at multiple retinal locations, and compare these functional parameters between subjects with intermediate age-related macular degeneration (AMD) and normal controls. Methods: Perimetric dark-adapted retinal sensitivities for the 505 and 620 nm stimuli across 7 retinal locations within the central 12° were repeatedly measured after exposing to a single photobleach in 22 intermediate AMD subjects and 8 controls...
October 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27668639/fundus-autofluorescence-in-age-related-macular-degeneration
#19
Angelica Ly, Lisa Nivison-Smith, Nagi Assaad, Michael Kalloniatis
: Fundus autofluorescence (FAF) provides detailed insight into the health of the retinal pigment epithelium (RPE). This is highly valuable in age-related macular degeneration (AMD) as RPE damage is a hallmark of the disease. The purpose of this paper is to critically appraise current clinical descriptions regarding the appearance of AMD using FAF and to integrate these findings into a chair-side reference. A wide variety of FAF patterns have been described in AMD, which is consistent with the clinical heterogeneity of the disease...
February 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27587715/pilot-evaluation-of-short-term-changes-in-macular-pigment-and-retinal-sensitivity-in-different-phenotypes-of-early-age-related-macular-degeneration-after-carotenoid-supplementation
#20
Federico Corvi, Eric H Souied, Yousra Falfoul, Anouk Georges, Camille Jung, Lea Querques, Giuseppe Querques
PURPOSE: To investigate the response of carotenoid supplementation in different phenotypes of early age-related macular degeneration (AMD) by measuring macular pigment optical density (MPOD) and retinal sensitivity. METHODS: Consecutive patients with only medium/large drusen and only reticular pseudodrusen (RPD) and age-matched and sex-matched controls were enrolled. At baseline, participants underwent a complete ophthalmological examination including measurement of best-corrected visual acuity (BCVA), MPOD and retinal sensitivity...
September 1, 2016: British Journal of Ophthalmology
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