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Vitreoretinal interface

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https://www.readbyqxmd.com/read/29035612/enhanced-vitreous-imaging-in-uveitis
#1
Padmamalini Mahendradas, Sumukh Madhu, Ankush Kawali, Abhijit Sinha Roy, Ruchi Vala, Anand Vinekar, Rohit Shetty
PURPOSE: To study the structural visibility of the posterior vitreous cavity and vitreoretinal interface using Spectral Domain-Optical Coherence Tomography in patients with uveitis using conventional, Enhanced Depth Imaging (EDI), Combined Depth Imaging (CDI), and Enhanced Vitreous Imaging (EVI) techniques. METHODS: It was an observational cross-sectional study of 59 eyes of 33 patients between age group 12-72 years (Median 43) diagnosed as uveitis with posterior segment manifestations underwent OCT using conventional, EDI, CDI, and EVI techniques...
October 16, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28925755/toward-smart-design-of-retinal-drug-carriers-a-novel-bovine-retinal-explant-model-to-study-the-barrier-role-of-the-vitreoretinal-interface
#2
Karen Peynshaert, Joke Devoldere, Valérie Forster, Serge Picaud, Christian Vanhove, Stefaan C De Smedt, Katrien Remaut
Retinal gene delivery via intravitreal injection is hampered by various physiological barriers present in the eye of which the vitreoretinal (VR) interface represents the most serious hurdle. In this study, we present a retinal explant model especially designed to study the role of this interface as a barrier for the penetration of vectors into the retina. In contrast to all existing explant models, the developed model is bovine-derived and more importantly, keeps the vitreous attached to the retina at all times to guarantee an intact VR interface...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28867131/posterior-vitreous-detachment-and-the-posterior-hyaloid-membrane
#3
Gregory S Fincham, Sean James, Carl Spickett, Michael Hollingshead, Christopher Thrasivoulou, Arabella V Poulson, Annie McNinch, Allan Richards, David Snead, Gloria A Limb, Martin P Snead
PURPOSE: Despite posterior vitreous detachment being a common ocular event affecting most individuals in an aging population, there is little consensus regarding its precise anatomic definition. We investigated the morphologic appearance and molecular composition of the posterior hyaloid membrane to determine whether the structure clinically observed enveloping the posterior vitreous surface after posterior vitreous detachment is a true basement membrane and to postulate its origin. Understanding the relationship between the vitreous (in both its attached and detached state) and the internal limiting membrane of the retina is essential to understanding the cause of rhegmatogenous retinal detachment and vitreoretinal interface disorders, as well as potential future prophylactic and treatment strategies...
August 31, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28812133/-watchful-waiting-as-a-therapeutic-principle-for-diseases-of-the-vitreoretinal-interface
#4
REVIEW
H Hoerauf, B Kirchhof
Elective surgery of the vitreoretinal interface is currently the most common reason for vitrectomy in Germany. The evaluation and correct interpretation of spectral domain optical coherence tomography (SD-OCT) images is of great importance but the indications for vitrectomy in macular surgery should be based more on patient symptoms and not only the OCT findings. Watchful waiting is highlighted as an alternative therapeutic option in individual patients. This article addresses a number of aspects and discrepancies between findings and patients' level of suffering based on binocular symptoms...
August 15, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28791829/intravitreal-ocriplasmin-a-breakthrough-in-the-treatment-of-vitreomacular-traction
#5
REVIEW
Anna E Mec-Słomska, Joanna Adamiec-Mroczek, Ewa Kuźmicz, Marta Misiuk-Hojło
Vitreoretinal interface pathologies, such as vitreomacular traction syndrome, epiretinal membranes and macular holes are sight-threatening conditions and one of the important causes of vision defects and vision loss. To this date, vigilance with observation of how the vitreomacular traction resolves, or vitreoretinal surgery in more severe cases, were the only treatment options. Recent rapid progress in ophthalmology, especially in diagnostic and visualization techniques, provided better insight into the mechanisms taking place on the vitreoretinal surface, which enabled a more accurate selection of treatment options...
May 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28751983/advances-in-vitreoretinal-interface-disorders
#6
EDITORIAL
Irini Chatziralli, Panagiotis Theodossiadis, Luke Nicholson, David Steel
No abstract text is available yet for this article.
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28692739/analysis-of-retinal-architectural-changes-using-intraoperative-oct-following-surgical-manipulations-with-membrane-flex-loop-in-the-discover-study
#7
Atsuro Uchida, Sunil K Srivastava, Justis P Ehlers
Purpose: We investigate acute retinal alterations identified on intraoperative optical coherence tomography (iOCT) immediately following surgical intervention with the Finesse Flex Loop for vitreoretinal interface disorders. Methods: The Determination of feasibility of Intraoperative Spectral domain microscope Combined/integrated OCT Visualization during En face Retinal and ophthalmic surgery (DISCOVER) study is a prospective multisurgeon intraoperative OCT clinical study...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28508380/-optical-coherence-tomography-in-eyes-with-senile-retinoschisis-sd-oct-versus-ultrasound-examinations-and-assessment-of-the-vitreoretinal-interface
#8
A Bringewatt, S Burzer, N Feucht, M Maier
BACKGROUND: In addition to ocular ultrasonography (US), spectral domain optical coherence tomography (SD-OCT) is available in order to diagnose senile retinoschisis (sRS). SD-OCT also allows for classification of posterior vitreous detachment (PVD) in healthy eyes. OBJECTIVES: Reevaluation of the value and additional benefit of both imaging procedures. SD-OCT-based evaluation of PVD stages in sRS patients. MATERIALS AND METHODS: Diagnostic results of 33 eyes in 26 patients with clinical suspicion of sRS were retrospectively analysed...
May 15, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28389700/the-predictability-of-ocriplasmin-treatment-effects-is-there-consensus-among-retinal-experts-results-from-the-export-study
#9
Thomas Bertelmann, Joachim Wachtlin, Stefan Mennel, Michael J Koss, Mathias M Maier, Ricarda G Schumann, Sara Kazerounian, Hanna Daniel, Steffen Schmitz-Valckenberg
PURPOSE: To evaluate the agreement and predictability of ocriplasmin treatment effects among retinal experts (raters) by assessment of retinal imaging data of eyes treated for vitreomacular traction in nine different centers in Germany and Austria. METHODS: Retrospective cohort study. Combined confocal near-infrared scanning laser ophthalmoscopy and spectral-domain optical coherence tomography images (Spectralis® device, Heidelberg Engineering GmbH, Germany) from 136 eyes of 135 subjects were reviewed by 14 raters using an internet-based grading database and a standardized questionnaire...
July 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28299498/evaluation-of-vitreoretinal-interface-changes-in-patients-receiving-intravitreal-anti-vegf-therapy
#10
Vartika Kinra, Satvir Singh, Sumeet Khanduja, Manisha Nada
PURPOSE: To study the effects of repeated intravitreal injection of anti-VEGF drug bevacizumab on the vitreoretinal interface (VRI). METHODS: Patients undergoing intravitreal injection of bevacizumab were enrolled. Eyes with media haze, uveitis, high myopia, history of cataract surgery or laser capsulotomy in last 6 months and complicated pseudophakia were excluded. VRI evaluation was done monthly for a minimum of 6 months. The nature and timing of the change(s) event was recorded...
March 15, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28299000/chorioretinal-coloboma-complications-retinal-detachment-and-choroidal-neovascular-membrane
#11
Rehan M Hussain, Ashkan M Abbey, Ankoor R Shah, Kimberly A Drenser, Michael T Trese, Antonio Capone
PURPOSE: To report the chorioretinal coloboma, and its association with increased risk of retinal detachment (RD) and choroidal neovascularization (CNV). METHODS: This retrospective case series included eyes with chorioretinal coloboma diagnosed between 1995 and 2014 with a focus on RD and CNV as related complications. Cases of CNV were managed with laser photocoagulation or intravitreal injection of bevacizumab. For eyes with CNV, therapeutic success was defined as resolution of the subretinal hemorrhage on fundus examination and resolution of the subretinal and intraretinal fluid on optical coherence tomography (OCT)...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28297034/the-role-of-posterior-vitreous-detachment-and-vitreomacular-adhesion-in-patients-with-age-related-macular-degeneration
#12
Orhan Ilim, Cezmi Akkin, Zafer Oztas, Serhad Nalcaci, Filiz Afrashi, Cumali Degirmenci, Jale Mentes
BACKGROUND AND OBJECTIVE: The aim of this study was to assess the prevalence of posterior vitreous detachment (PVD) and vitreoretinal interface in patients with age-related macular degeneration (AMD). PATIENTS AND METHODS: This clinical trial included 206 eyes of 138 patients who presented to the authors' clinic between January 2012 and November 2014. Patients were divided into three groups: 98 eyes of 67 patients with exudative AMD, 55 eyes of 36 patients with nonexudative AMD, and 53 eyes of 35 patients having no vitreoretinal disease...
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28258075/a-retrospective-study-of-the-influence-of-the-vitreomacular-interface-on-macular-oedema-secondary-to-retinal-vein-occlusion
#13
Rishi P Singh, Karishma A Habbu, Rumneek Bedi, Fabiana Q Silva, Justis P Ehlers, Andrew P Schachat, Jonathan E Sears, Sunil K Srivastava, Peter K Kaiser, Alex Yuan
AIMS: To compare anti-vascular endothelial growth factor (VEGF) treatment outcomes for macular oedema (ME) secondary to retinal vein occlusion (RVO) based on vitreoretinal interface (VRI) status. METHODS: This retrospective case series includes treatment-naive eyes diagnosed with RVO and treated with anti-VEGF injections. Eyes were stratified based on international VRI classification schema at baseline into three groups-vitreomacular traction (group A), no posterior vitreous detachment (PVD) (group B) and PVD without vitreomacular attachment (group C)...
October 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28133544/an-assessment-of-vitreous-degeneration-in-eyes-with-vitreomacular-traction-and-macular-holes
#14
Quraish Ghadiali, Sarwar Zahid, Rosa Dolz-Marco, Anna Tan, Michael Engelbert
Purpose. To compare the stages of vitreous degeneration in patients with vitreomacular traction (VMT) and macular holes (MH). Methods. A retrospective study was performed analyzing stages of vitreous degeneration of eyes with VMT or MH using swept-source optical coherence tomography (SS-OCT) and spectral-domain optical coherence tomography (SD-OCT). An analogous review was performed on a control group of eyes with contralateral posterior vitreous detachments. Thirty-four eyes with VMT/MH and 39 control eyes were reviewed...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28119290/longitudinal-study-of-retinal-status-using-optical-coherence-tomography-after-acute-onset-endophthalmitis-following-cataract-surgery
#15
MULTICENTER STUDY
Thierry Zhou, Florent Aptel, Alain M Bron, Pierre-Loïc Cornut, Karine Palombi, Gilles Thuret, Frédéric Rouberol, Catherine Creuzot-Garcher, Christophe Chiquet
PURPOSE: To analyse the macula imaged with optical coherence tomography (OCT) in patients treated for acute postcataract endophthalmitis. METHODS: Patients presenting with acute postcataract endophthalmitis were included in this observational and multicentre study from January 2008 to December 2011. We recorded the following OCT data at the 3, 6 and 12-month visits: the central macular thickness, the perifoveal macular thickness, the central foveal point thickness and abnormalities of the outer retina, the macula and vitreoretinal interface...
September 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28098725/how-vitreomacular-interface-modifies-the-efficacy-of-anti-vegf-therapy-for-myopic-choroidal-neovascularization
#16
Pierluigi Iacono, Maurizio Battaglia Parodi, Lorenzo Iuliano, Francesco Bandello
PURPOSE: To evaluate the efficacy of intravitreal ranibizumab in the treatment of myopic choroidal neovascularization (mCNV) complicated by vitreoretinal interface alterations. METHODS: Thirty-two patients affected by mCNV and concurrent vitreoretinal interface disorders, including macular epiretinal membrane (18 patients), lamellar macular hole (4 patients), full-thickness macular hole (1 patient), broad/focal vitreomacular traction (3 patients), broad/focal vitreomacular adhesion (4 patients), and myopic foveoschisis (2 patients), were enrolled in a prospective study...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28078103/the-potential-of-spectral-domain-optical-coherence-tomography-imaging-based-retinal-biomarkers
#17
REVIEW
Prateep Phadikar, Sandeep Saxena, Surabhi Ruia, Timothy Y Y Lai, Carsten H Meyer, Dean Eliott
BACKGROUND: Biomarker", a merged word of "biological marker", refers to a broad subcategory of medical signs that objectively indicate the state of health, and well-being of an individual. Biomarkers hold great promise for personalized medicine as information gained from diagnostic or progression markers can be used to tailor treatment to the individual for highly effective intervention in the disease process. Optical coherence tomography (OCT) has proved useful in identifying various biomarkers in ocular and systemic diseases...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28057648/in-vitro-experiment-to-elucidate-the-mechanism-of-the-soft-shell-technique-for-preventing-subretinal-migration-of-perfluoro-octane
#18
Yau Kei Chan, Yongjie Lu, Gabriela Czanner, Jing Wu, Ho Ching Cheng, Rumana Hussain, Taiji Sakamoto, Ho Cheung Shum, David Wong
AIM: Perfluorocarbon liquid (PFCL) can migrate into subretinal space in detached and stiffened retina with open holes during vitreoretinal surgery. An innovative 'soft shell' technique was introduced to reduce the complication using hyaluronate (HA) to 'cover' the retinal hole. This study aims to study the effectiveness of this technique in vitro. METHODS: Ex vivo porcine retina was mounted on a transwell insert. Beneath the retina was an aqueous solution. Two retinal holes were made using needle punctures...
March 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28050730/factors-associated-with-corneal-epithelial-defects-after-pars-plana-vitrectomy
#19
Wei-Yu Chiang, Jong-Jer Lee, Hsi-Kung Kuo, Yi-Hao Chen, Chih-Hsin Chen, Yung-Jen Chen, Pei-Chang Wu, Yun-Wen Chen
PURPOSE: To investigate the risk factors associated with corneal epithelial defects (CED) and delayed healing (exceeding 1 week) following pars plana vitrectomy (PPV). METHODS: This retrospective study enrolled patients who underwent PPV at a single center in Taiwan between 2011 and 2012. Medical records were reviewed, including demographic, underlying disease, surgical indication, operation parameters, and existence of CED. These data were statistically analyzed...
January 3, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/27977831/spectral-domain-optical-coherence-tomography-in-older-patients-with-history-of-retinopathy-of-prematurity
#20
Aristomenis Thanos, Yoshihiro Yonekawa, Bozho Todorich, Natalie Huang, Kimberly A Drenser, George A Williams, Michael T Trese, Antonio Capone
BACKGROUND AND OBJECTIVE: To characterize the in vivo microstructural features of patients with history of retinopathy of prematurity (ROP). PATIENTS AND METHODS: A single-center, retrospective imaging case series during which a chart review was performed of consecutive patients with history of ROP who underwent spectral-domain optical coherence tomography (SD-OCT) with or without enhanced depth imaging. Eyes with time-domain OCT, no light perception, or uninterpretable SD-OCT images were excluded...
December 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
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