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Pigment epithelial detachment

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https://www.readbyqxmd.com/read/28445211/polypoidal-choroidal-vasculopathy-associated-with-central-serous-chorioretinopathy-pachychoroid-spectrum-of-diseases
#1
George J Manayath, Vanee Sheth Shah, Veerappan R Saravanan, Venkatapathy Narendran
PURPOSE: To study multimodal imaging features of polypoidal choroidal vasculopathy (PCV) associated with central serous chorioretinopathy (CSC) in the same eye. METHODS: A retrospective observational study of cases of suspected PCV which underwent indocyanine green angiography, fundus fluorescein angiography and optical coherence tomography was done, to look for simultaneous typical CSC-like active leak in the same eye. The relevant history, best-corrected visual acuity, optical coherence tomography, fundus fluorescein angiography, and indocyanine green angiography findings were analyzed...
April 25, 2017: Retina
https://www.readbyqxmd.com/read/28437524/the-evolution-of-the-plateau-an-optical-coherence-tomography-signature-seen-in-geographic-atrophy
#2
Anna C S Tan, Polina Astroz, Kunal K Dansingani, Jason S Slakter, Lawrence A Yannuzzi, Christine A Curcio, K Bailey Freund
Purpose: Histologic details of progression routes to geographic atrophy (GA) in AMD are becoming available through optical coherence tomography (OCT). We studied the origins and evolution of an OCT signature called plateau in eyes with GA and suggested a histologic correlate. Methods: Serial eye-tracked OCT scans and multimodal imaging were acquired from eight eyes of seven patients with GA and plateau signatures over a mean follow-up of 7.7 years (range, 3.7-11...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28436839/automatic-subretinal-fluid-segmentation-of-retinal-sd-oct-images-with-neurosensory-retinal-detachment-guided-by-enface-fundus-imaging
#3
Menglin Wu, Qiang Chen, Xiaojun He, Ping Li, Wen Fan, Songtao Yuan, Hyunjin Park
OBJECTIVE: Accurate segmentation of neurosensory retinal detachment (NRD)-associated subretinal fluid in spectral domain optical coherence tomography (SD-OCT) is vital for the assessment of central serous chorioretinopathy (CSC). A novel two-stage segmentation algorithm was proposed, guided by Enface fundus imaging. METHODS: In the first stage, Enface fundus image was segmented using thickness map prior to detecting the fluid-associated abnormalities with diffuse boundaries...
April 18, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28427081/choroidal-thickness-and-microperimetry-sensitivity-in-age-related-macular-degeneration
#4
Geoffrey K Broadhead, Thomas Hong, Peter McCluskey, John R Grigg, Timothy E Schlub, Andrew A Chang
PURPOSE: To assess choroidal thickness (CT) and its relationship to retinal sensitivity in mild/moderate age-related macular degeneration (AMD). METHODS: Seventy-two eyes of 51 participants with mild/moderate AMD and 36 eyes of 18 age-matched normal participants were prospectively recruited to undergo enhanced-depth imaging optical coherence tomography (EDI-OCT) imaging and microperimetry (MP) functional assessment. OCT-measured CT and retinal thickness (RT) were matched with MP sensitivity at 13 retinal loci, and correlations were analysed...
April 21, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28419398/pre-existing-rpe-atrophy-and-defects-in-the-external-limiting-membrane-predict-early-poor-visual-response-to-ranibizumab-in-neovascular-age-related-macular-degeneration
#5
Souska Zandi, Florian Weisskopf, Justus G Garweg, Isabel B Pfister, Christian Pruente, Florian Sutter, Katja Hatz
BACKGROUND AND OBJECTIVES: The aim of this study was to identify the rate of early visual acuity poor responders in patients with neovascular age-related macular degeneration (AMD) after the first intravitreal injection of ranibizumab (Lucentis; Genentech, South San Francisco, CA) and to determine potential predictors for early response. PATIENTS AND METHODS: Patients with choroidal neovascularization secondary to AMD were evaluated before and 1 month after their first ranibizumab treatment...
April 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28416211/phenotypic-heterogeneity-of-human-retinal-pigment-epithelial-cells-in-passaged-cell-populations
#6
Rie Sonoi, Mee-Hae Kim, Kenta Yamada, Masahiro Kino-Oka
Human retinal pigment epithelial (RPE) cells at different population doublings (PDs) were cultured for 28 days to examine their phenotypic heterogeneity in a confluent state. In an early population (PD = 2.8), cells showed a cobblestone-like appearance (type I), which gradually became small and tight, and eventually exhibited dark pigmentation. Some cells showed a dome-like structure (type II), which detached from the culture surface during culture. With increasing PD, the cells showed active migration that caused a shift in phenotype from a single layer of large, flattened cells (type III) to a multiple cell layers (stratified) with flattened, irregularly shaped cells (type IV)...
April 14, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28402983/comparison-of-pro-re-nata-versus-bimonthly-injection-of-intravitreal-aflibercept-for-typical-neovascular-age-related-macular-degeneration
#7
Ryusaburo Mori, Koji Tanaka, Miho Haruyama, Akiyuki Kawamura, Koichi Furuya, Mitsuko Yuzawa
PURPOSE: The aim of this study was to clarify the 1-year outcomes of pro re nata (PRN) and bimonthly intravitreal injections of aflibercept (IVA) for typical neovascular age-related macular degeneration (tAMD) after the initial 3 monthly IVA. METHODS: We conducted a prospective, interventional study. Fifty-eight treatment-naïve patients with tAMD were randomly assigned to the PRN (30 patients) or the bimonthly (28 patients) treatment group. Both groups initially received 3 monthly IVA...
April 13, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28395990/protective-effects-of-fluoroquinolones-on-uv-induced-damage-of-cultured-ocular-cell-lines
#8
Takashi Nishida, Yoshiki Kuse, Kiyofumi Mochizuki, Masamitsu Shimazawa, Tetsuya Yamamoto, Hideaki Hara
Although the fluoroquinolones have strong antibacterial effects, some of them also have adverse ocular effects such as diplopia, uveitis, optic neuropathy, and retinal detachment. The purpose of this study was to determine whether low concentrations of fluoroquinolones can lessen the cytotoxic effects of ultraviolet (UV) light on different kinds of cultured ocular cells. We studied cultured human corneal endothelial cells (HCECs), a retinal ganglion cell line (RGC-5), a mouse-derived photoreceptor cell line (661W), a human adult retinal pigment epithelial cell line (ARPE-19), primary retinal cells, and primary human RPE cells...
April 7, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28368974/good-visual-outcome-at-1-year-in-neovascular-age-related-macular-degeneration-with-pigment-epithelium-detachment-factors-influencing-the-treatment-response
#9
Sophie de Massougnes, Ali Dirani, Irmela Mantel
PURPOSE: To evaluate baseline and treatment factors influencing the response of pigment epithelial detachment (PED) in patients with treatment-naive neovascular age-related macular degeneration after 1 year of intravitreal anti-vascular endothelial growth factor treatment. METHODS: This retrospective consecutive case series study included 104 eyes (94 patients) with treatment-naive neovascular age-related macular degeneration and associated PED >150 μm treated with aflibercept (n = 41) or ranibizumab (n = 63) for at least 1 year...
March 30, 2017: Retina
https://www.readbyqxmd.com/read/28336128/retinal-pigment-epithelium-tears-classification-pathogenesis-predictors-and-management
#10
REVIEW
Mehmet Giray Ersoz, Murat Karacorlu, Serra Arf, Isil Sayman Muslubas, Mumin Hocaoglu
Various eye conditions cause tears in the retinal pigment epithelium (RPE). The most common cause of a RPE tear is vascularized retinal pigment epithelial detachment (PED) in patients with exudative age-related macular degeneration. Although RPE tears can develop spontaneously in vascularized PEDs, most recent cases have been associated with anti-vascular endothelial growth factor (VEGF) injections. The subretinal fluid within the PED applies hydrostatic pressure to the RPE and stretches it. The PED enlarges as the hydrostatic pressure increases...
March 21, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28282700/-choroidal-neovascularisation-other-than-typical-neovascular-age-related-macular-degeneration
#11
D Sandner
Choroidal neovascularisation (CNV) in the context of exsudative age-related macular degeneration (nAMD) can be divided into type 1 (occult) and type 2 (classical) membranes. Retinal angiomatous proliferation (RAP) or polypoidal choroidal vasculopathy (PCV) are "rare subtypes" of chorioretinal neovascularisation and are distinguished by their distinct morphology and the sometimes worse response to therapy. Chorioretinal anastomosis, severe exsudates with serosanguinous pigment epithelial detachment and, in PCV, orange-red lesions in the papillomacular bundle can be diagnostic...
March 10, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28280989/the-role-of-pigment-epithelial-detachment-in-amd-with-submacular-hemorrhage-treated-with-vitrectomy-and-subretinal-co-application-of-rtpa-and-anti-vegf
#12
F Treumer, S Wienand, K Purtskhvanidze, J Roider, J Hillenkamp
PURPOSE: To assess the incidence of pigment epithelial detachment (PED) in age-related macular degeneration (AMD) with submacular hemorrhage (SMH) and its response to treatment with pars plana vitrectomy (ppV), subretinal co-application of recombinant tissue plasminogen activator (rtPA) and anti-VEGF, and an intravitreal gas tamponade. METHODS: Consecutive interventional case series of 132 eyes of 129 patients with neovascular AMD with SMH. All eyes underwent ppV with subretinal co-application of rtPA and bevacizumab followed by a gas tamponade...
March 9, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28261609/correlation-between-mir-148-expression-in-vitreous-and-severity-of-rhegmatogenous-retinal-detachment
#13
Taichi Tsunekawa, Hiroki Kaneko, Kei Takayama, Shiang-Jyi Hwang, Akio Oishi, Yosuke Nagasaka, Fuxiang Ye, Takeshi Iwase, Norie Nonobe, Shinji Ueno, Yasuki Ito, Shunsuke Yasuda, Toshiyuki Matsuura, Hideyuki Shimizu, Ayana Suzumura, Keiko Kataoka, Hiroko Terasaki
Purpose. We had earlier reported positive hsa-miR-148a-3p expression in eyes with rhegmatogenous retinal detachment (RRD) and its involvement in the epithelial-mesenchymal transition of retinal pigment epithelium in vitro. Here we investigated the association of hsa-miR-148a-3p expression levels in the vitreous fluid of patients with RRD with severity of RRD. Methods. The hsa-miR-148a-3p expression levels in the vitreous fluid, range (degree) of retinal detachment (RD), and pixels of retinal break were measured in 27 eyes with RRD...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28259869/one-year-outcomes-of-a-treat-and-extend-regimen-of-aflibercept-for-exudative-age-related-macular-degeneration
#14
Akiko Yamamoto, Annabelle A Okada, Makiko Nakayama, Yumiko Yoshida, Hiroaki Kobayashi
PURPOSE: The aim of this study was to investigate the 1-year outcomes of treat-and-extend aflibercept for exudative age-related macular degeneration (AMD) in Japan. PROCEDURES: Clinical records of 67 patients (67 eyes) were reviewed. Monthly aflibercept was administered until resolution of exudation and maximal reduction of pigment epithelial detachment. Injection intervals were extended by 2-week units up to 12 weeks if no exudation was observed and shortened for recurrence...
2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28241322/three-dimensional-analysis-of-morphologic-changes-and-visual-outcomes-in-neovascular-age-related-macular-degeneration
#15
Hyungwoo Lee, Aerin Jo, Hyung Chan Kim
Purpose: To investigate the association of three-dimensionally quantified lesions with best-corrected visual acuity (BCVA) in typical neovascular age-related macular degeneration (nAMD). Methods: We retrospectively analyzed 65 eyes of 61 typical nAMD patients. Lesions at baseline and month 12 were manually delineated in optical coherence tomography. The volume of intraretinal fluid (IRF), subretinal fluid (SRF), subretinal hyperreflective material (SHRM), and pigment epithelial detachment (PED) were measured...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28166160/predictive-factors-for-development-of-neovascular-age-related-macular-degeneration-a-spectral-domain-optical-coherence-tomography-study
#16
Serena Fragiotta, Tommaso Rossi, Alessandro Cutini, Pier L Grenga, Enzo M Vingolo
PURPOSE: To investigate the risk factors predictive for the development of neovascular age-related macular degeneration (NVAMD) by means of spectral-domain optical coherence tomography. METHODS: Retrospective study of 73 eyes graded Stage 2 and Stage 3 according to the AMD International Grading System with minimum follow-up of 24 months. Drusenoid pigment epithelial detachment, hyperreflective foci, external limiting membrane, inner ellipsoid band, and retinal pigment epithelium integrity were analyzed at baseline and last follow-up...
February 3, 2017: Retina
https://www.readbyqxmd.com/read/28145973/optical-coherence-tomography-findings-in-cytomegalovirus-retinitis-a-longitudinal-study
#17
Alessandro Invernizzi, Aniruddha Agarwal, Vittoria Ravera, Marta Oldani, Giovanni Staurenghi, Francesco Viola
PURPOSE: To evaluate the vitreal, retinal, and choroidal features using spectral domain optical coherence tomography (SD-OCT) in eyes affected by cytomegalovirus (CMV) retinitis. METHODS: Patients diagnosed with either active or inactive CMV retinitis were included in the study. Complete ophthalmic examination, serial color fundus photography, and SD-OCT (with and without enhanced depth imaging function) were performed for all the subjects at baseline and follow-up visits...
January 31, 2017: Retina
https://www.readbyqxmd.com/read/28138219/resveratrol-inhibits-transforming-growth-factor-%C3%AE-2-induced-epithelial-to-mesenchymal-transition-in-human-retinal-pigment-epithelial-cells-by-suppressing-the-smad-pathway
#18
Ching-Long Chen, Yi-Hao Chen, Ming-Cheng Tai, Chang-Min Liang, Da-Wen Lu, Jiann-Torng Chen
Proliferative vitreoretinopathy (PVR) is the main cause of failure following retinal detachment surgery. Transforming growth factor (TGF)-β2-induced epithelial-to-mesenchymal transition (EMT) plays an important role in the development of PVR, and EMT inhibition decreases collagen gel contraction and fibrotic membrane formation, resulting in prevention of PVR. Resveratrol is naturally found in red wine and has inhibitory effects on EMT. Resveratrol is widely used in cardioprotection, neuroprotection, chemotherapy, and antiaging therapy...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28091938/distinguishing-features-of-acute-vogt-koyanagi-harada-disease-and-acute-central-serous-chorioretinopathy-on-optical-coherence-tomography-angiography-and-en-face-optical-coherence-tomography-imaging
#19
Kanika Aggarwal, Aniruddha Agarwal, Ankit Deokar, Sarakshi Mahajan, Ramandeep Singh, Reema Bansal, Aman Sharma, Mangat R Dogra, Vishali Gupta
BACKGROUND: The aim of this study is to determine the differences in optical coherence tomography angiography (OCTA) features of acute Vogt-Koyanagi-Harada disease (VKH) and acute central serous chorioretinopathy (CSC). Clinical and imaging data of patients with acute CSC and VKH in a tertiary-care institute were analyzed. Multimodal imaging including fluorescein angiography, indocyanine green angiography (ICGA), and enhanced-depth imaging OCT were performed. OCTA images were analyzed for alterations in retinochoroidal microvasculature...
December 2017: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/28067720/swept-source-optical-coherence-tomography-evaluation-of-chorioretinal-changes-in-hypertensive-choroidopathy-related-to-hellp-syndrome
#20
Daniel Velazquez-Villoria, Pablo Marti Rodrigo, Maria L DeNicola, Miguel A Zapata Vitori, Antonio Segura García, Jose García-Arumí
PURPOSE: To report a case of hypertensive choroidopathy with detailed chorioretinal images obtained using swept source optical coherence tomography. METHODS: We report the case of a 36-year-old pregnant woman who presented with extensive bilateral exudative retinal detachments (visual acuity of hands movement bilaterally), high blood pressure, and severe alteration of the laboratory test results resulting in the diagnosis of HELLP syndrome. The baby was delivered by emergency cesarean section and the patient was hospitalized in the intensive care unit...
January 6, 2017: Retinal Cases & Brief Reports
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