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Vitreoretinal interface

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https://www.readbyqxmd.com/read/27895460/preoperative-optical-coherence-tomography-visualization-of-epiretinal-membranes-enhances-surgical-strategies
#1
Norihiro Suzuki, Yoshio Hirano, Miyu Ichida, Taneto Tomiyasu, Yuya Esaki, Tsutomu Yasukawa, Yuichiro Ogura
PURPOSE: The aim of this study was to evaluate the usefulness of preoperative optical coherence tomography (OCT) findings in patients with macular epiretinal membrane (ERM) for the planning of surgical strategy. PATIENTS AND METHODS: One hundred twenty-three eyes of 121 patients (49 men, 72 women; mean age, 66 years) with an idiopathic ERM were enrolled. All patients underwent an ophthalmic examination including indirect ophthalmoscopy and OCT (Cirrus HD-OCT 4000 and/or 5000)...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27847643/novel-perspectives-on-swept-source-optical-coherence-tomography
#2
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/27833968/posterior-vitreous-detachment-and-macular-anatomical-changes-a-tomographic-electroretinographic-study
#3
Alin Ştefan Ştefănescu-Dima, Cornelia Andreea Corîci, Maria Rodica Mănescu, Teodor Nicuşor Sas, Maria Iancău, Carmen LuminiŢa Mocanu
AIM: Posterior vitreous detachment (PVD) is a physiological phenomenon due to aging characterized by separation of the vitreous cortex from the retina and may induce a variety of pathological events at the vitreoretinal junction. The aim of this study is to highlight in vivo anatomical and functional changes in early stages of PVD allowing the correct treatment. MATERIAL AND METHODS: Non-consecutive case series; optical coherence tomography (OCT) relies on analyzing the reflectivity of coherent light from different anatomical interfaces within posterior vitreous and retinal histological layers, thus acquiring transverse sections through vitreoretinal interface, sensory retina, retinal pigment epithelium and choroid...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27833927/selective-and-complementary-use-of-optical-coherence-tomography-and-fluorescein-angiography-in-retinal-practice
#4
REVIEW
Samir S Shoughy, Igor Kozak
The current field of posterior pole and retinal imaging of the human eye has expanded into detailed analyses of the macula, retinal periphery, individual retinal layers, vitreoretinal interface, imaging of the choroid and the optic nerve head. The challenge in retinal imaging is the enduring pursuit of deeper penetration into tissues, increased resolution to the cellular level, and interpretation of observations. How much deeper can we go and with what resolution and reproducibility? These are fundamental questions for experts in search of novel imaging modalities...
2016: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/27787446/impact-of-vitreoretinal-interface-architecture-on-successful-vitreomacular-traction-resolution-in-eyes-scheduled-for-intravitreal-ocriplasmin-therapy
#5
Christoph Paul, Christine Heun, Hans H Müller, Sascha Fauser, Hakan Kaymak, Sara Kazerounian, Walter Sekundo, Stefan Mennel, Carsten H Meyer, Steffen Schmitz-Valckenberg, Michael J Koss, Nicolas Feltgen, Thomas Bertelmann
PURPOSE: To evaluate the impact of the vitreoretinal interface architecture, in specific the angle between the posterior vitreous cortex and the internal limiting membrane, on vitreomacular traction (VMT) resolution in eyes treated with intravitreally injected ocriplasmin (Jetrea). METHODS: Retrospective, multicenter cohort study and exploratory data analysis. Spectral domain optical coherence tomography assessments were performed before scheduled ocriplasmin injections...
October 26, 2016: Retina
https://www.readbyqxmd.com/read/27631481/intraoperative-optical-coherence-tomography-imaging-and-assessment-of-the-macula-during-cataract-surgery-a-novel-technique
#6
Koushik Tripathy, Rohan Chawla, Babulal Kumawat, Yog Raj Sharma
The authors describe a technique to qualitatively analyze the posterior segment during cataract surgery using intraoperative optical coherence tomography (iOCT). Macular iOCT can be done before and after intraocular lens implantation after the media is rendered clear following phacoemulsification. A handheld irrigating planoconcave contact lens is placed over the cornea with the operating microscope in retroillumination mode. After focusing the microscope and upon getting a clear view of the posterior segment, iOCT is switched on, centered at the macula, and focused...
September 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27613274/morphological-assessment-of-the-retina-in-uveitis
#7
Michael M Altaweel, Sapna S Gangaputra, Jennifer E Thorne, James P Dunn, Susan G Elner, Glenn J Jaffe, Rosa Y Kim, P Kumar Rao, Susan B Reed, John H Kempen
BACKGROUND: The objective of this study is to describe a system for color photograph evaluation in uveitis and report baseline morphologic findings for the Multicenter Uveitis Steroid Treatment (MUST) Trial. Four-hundred seventy-nine eyes of 255 subjects with intermediate, posterior, and panuveitis had stereoscopic color fundus photographs obtained by certified photographers and evaluated by certified graders using standardized procedures to evaluate morphologic characteristics of uveitis...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27435335/evaluation-of-posterior-vitreous-detachment-after-uneventful-phacoemulsification-surgery-by-optical-coherence-tomography-and-ultrasonography
#8
Cumali Degirmenci, Filiz Afrashi, Jale Mentes, Zafer Oztas, Serhad Nalcaci, Cezmi Akkin
BACKGROUND: The aim was to investigate the effect of uneventful phacoemulsification on vitreoretinal interface evaluated by optical coherence tomography (OCT) and ultrasound. METHODS: One hundred and fifty eyes were evaluated for the presence or absence of posterior vitreous detachment by ultrasound and OCT prior to cataract surgery. Only those eyes with intact vitreoretinal adhesion were included in the study. All patients underwent cataract surgery. At one month, three months and six months, all patients were assessed with OCT and ultrasound...
July 20, 2016: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/27388220/from-the-analysis-of-pharmacologic-vitreolysis-to-the-comprehension-of-ocriplasmin-safety
#9
Francesco Morescalchi, Elena Gambicorti, Sarah Duse, Ciro Costagliola, Francesco Semeraro
INTRODUCTION: Pharmacologic vitreolysis is a strategy used to treat anomalous posterior vitreous detachment, by weakening vitreoretinal adhesion with an intravitreal drug. Pharmacologic vitreolysis facilitates surgery, and abnormalities of the vitreoretinal interface including vitreomacular traction (VMT) and early stage macular hole (MH) could be resolved. Ocriplasmin is a recombinant protease, active against fibronectin and laminin, which are important components of the vitreoretinal interface...
September 2016: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/27369734/-intraoperative-real-time-oct-in-macular-surgery
#10
L-O Hattenbach, C Framme, B Junker, A Pielen, H Agostini, M Maier
BACKGROUND: Spectral domain optical coherence tomography (SD-OCT) has become a standard diagnostic tool in the surgical management of vitreomacular interface disorders. The high-resolution cross-sectional information obtained from SD-OCT is a perfect complement to vitreoretinal surgery. It provides detailed intraoperative anatomical views that are not possible with a microscope. OBJECTIVE: To investigate the value of intraoperative real-time OCT with respect to improvement of surgical techniques in the management of vitreomacular disorders...
August 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27362467/correlation-of-vitreomacular-traction-with-foveal-thickness-subfoveal-choroidal-thickness-and-vitreomacular-foveal-angle
#11
Igor Kozak, Giulio Barteselli, Yasir J Sepah, Mohammad Ali Sadiq, Robin High, Diana V Do, Quan Dong Nguyen
PURPOSE: To investigate the structure of vitreomacular traction (VMT), specifically, if a correlation exists between 1) the VMT type/grade and the central foveal thickness (CFT) and subfoveal and adjacent choroidal thickness, 2) the vitreomacular/foveal angle (VMFA) and the CFT and subfoveal and adjacent choroidal thickness, and 3) the diameter of vitreomacular adhesion (VMA) and CFT and subfoveal and adjacent choroidal thickness. MATERIALS AND METHODS: Retrospective, multicenter image analysis study...
June 30, 2016: Current Eye Research
https://www.readbyqxmd.com/read/27306115/vitreomacular-adhesion-evolution-with-age-in-healthy-human-eyes
#12
Agustina C Palacio, Akash Gupta, Brooke Lw Nesmith, Puja R Jadav, Yam Schaal, Shlomit Schaal
PURPOSE: To quantify the changes in vitreomacular interactions that occur with normal aging in normal eyes. METHODS: Spectral domain optical coherence tomography (SD-OCT, Spectralis; Heidelberg Engineering, Heidelberg, Germany) foveal scans of subjects with best corrected visual acuity better than 20/40 and no ocular pathology were included in the study. Each scan was analyzed to determine the status of vitreoretinal interface: complete vitreous adhesion, partial posterior vitreous detachment (PVD) with persistent vitreomacular adhesion (VMA), or complete PVD...
June 15, 2016: Retina
https://www.readbyqxmd.com/read/27299436/inner-retinal-thinning-after-brilliant-blue-g-assisted-internal-limiting-membrane-peeling-for-vitreoretinal-interface-disorders
#13
Vikas Ambiya, Abhilash Goud, Mitali Khodani, Jay Chhablani
The aim of this study was to evaluate ganglion cell layer and nerve fiber layer thickness after Brilliant Blue G (BBG)-assisted internal limiting membrane (ILM) peeling for vitreomacular disorders. Retrospective analysis of spectral domain optical coherence tomography (SD-OCT) of 42 eyes of 42 patients, who underwent pars plana vitrectomy with BBG-assisted ILM peeling, was performed. Inclusion criteria were idiopathic macular hole, idiopathic vitreomacular traction, and idiopathic epiretinal membrane. Key exclusion criteria were vitreoretinal interface abnormalities secondary to any other diseases, follow-up period of less than 3 months, and any other associated retinal pathology...
June 14, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27187883/-therapeutic-options-in-vitreomacular-traction-with-or-without-a-macular-hole
#14
M Maier, S Abraham, C Frank, C P Lohmann, N Feucht
Treatment is usually indicated for symptomatic vitreomacular traction (VMT) with or without a full thickness macular hole (FTMH) and without spontaneous resolution. Ultrastructural parameters are evaluated by SD-OCT, in order to classify the vitreoretinal interface and to estimate the success rate of treatment. The resolution rate after therapy with intravitreal Jetrea® (Ocriplasmin) is high (up to 70 %) in patients with symptomatic focal vitreomacular traction (≤ 1500 µm) with or without a macular hole (≤ 250 µm) and with no epiretinal membrane (ERM), but depends on the exact baseline analysis...
May 2016: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27165709/vitreous-anatomy-and-the-vitreomacular-correlation
#15
REVIEW
Shoji Kishi
The presence of a posterior precortical vitreous pocket, referred to as a precortical pocket, implies that the vitreous cortex is formed into a collagen sheet separated from the gel in the macula. Along with strong vitreoretinal attachment at the fovea, the precortical pocket plays a role in perifoveal posterior vitreous detachments, which may lead to macular holes, premacular membranes, and ring-shaped proliferation in diabetic retinopathy. I and my colleagues published pioneer studies of the vitreous in postmortem eyes...
July 2016: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/27159327/-retinal-oct-vitreoretinal-interface
#16
W J Mayer, C Haritoglou
The gold standard for the assessment of the vitreoretinal interface (VRI) is high resolution OCT. It is therefore essential to select the appropriate scan modalities to detect all morphological changes in different diseases, not only at the VRI, but also in all layers of the retina and in the foveal and parafoveal areas. These can be raster scans, radial scans or "en face" scans. Morphological changes at the VRI and especially in the outer retinal layers are good prognostic factors in high resolution OCT for the success of surgery for vitreomacular interface disorders...
May 9, 2016: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27089221/differential-expression-of-vitreous-proteins-in-young-and-mature-new-zealand-white-rabbits
#17
Ying Liu, Rachida A Bouhenni, Craig P Dufresne, Richard D Semba, Deepak P Edward
Different anatomical regions have been defined in the vitreous humor including central vitreous, basal vitreous, vitreous cortex, vitreoretinal interface and zonule. In this study we sought to characterize changes in the proteome of vitreous humor (VH) related to compartments or age in New Zealand white rabbits (NZW). Vitreous humor was cryo-collected from young and mature New Zealand white rabbit eyes, and dissected into anterior and posterior compartments. All samples were divided into 4 groups: Young Anterior (YA), Young Posterior (YP), Mature Anterior (MA) and Mature Posterior (MP) vitreous...
2016: PloS One
https://www.readbyqxmd.com/read/27055492/-interpretation-of-pathological-changes-at-the-vitreoretinal-interface
#18
A P Lommatzsch
For decades there was a general consensus about diagnostic investigations and surgical treatment of symptomatic pathological changes in the vitreomacular interface (VMI). The introduction of SD-OCT imaging helped in the understanding of the pathogenetic processes at this interface and risk factors were defined for the macular traction syndrome, epiretinal membrane (ERM) and macular hole. After approval of ocriplasmin for non-surgical treatment, a new classification based on treatment outcome and new imaging techniques was established...
September 2016: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/26992837/ultra-widefield-steering-based-spectral-domain-optical-coherence-tomography-imaging-of-the-retinal-periphery
#19
Netan Choudhry, John Golding, Matthew W Manry, Rajesh C Rao
PURPOSE: To describe the spectral-domain optical coherence tomography (SD OCT) features of peripheral retinal findings using an ultra-widefield (UWF) steering technique to image the retinal periphery. DESIGN: Observational study. PARTICIPANTS: A total of 68 patients (68 eyes) with 19 peripheral retinal features. MAIN OUTCOME MEASURES: Spectral-domain OCT-based structural features. METHODS: Nineteen peripheral retinal features, including vortex vein, congenital hypertrophy of the retinal pigment epithelium, pars plana, ora serrata pearl, typical cystoid degeneration (TCD), cystic retinal tuft, meridional fold, lattice and cobblestone degeneration, retinal hole, retinal tear, rhegmatogenous retinal detachment, typical degenerative senile retinoschisis, peripheral laser coagulation scars, ora tooth, cryopexy scars (retinal tear and treated retinoblastoma scar), bone spicules, white without pressure, and peripheral drusen, were identified by peripheral clinical examination...
June 2016: Ophthalmology
https://www.readbyqxmd.com/read/26918786/clinical-utility-of-intraoperative-optical-coherence-tomography
#20
REVIEW
Mehnaz Khan, Justis P Ehlers
PURPOSE OF REVIEW: To explore the clinical utility of intraoperative optical coherence tomography (iOCT) for the management of vitreoretinal conditions. RECENT FINDINGS: The role of iOCT in guiding surgical decision-making and surgical manipulations during vitreoretinal procedures has been evaluated by multiple studies. This imaging modality is emerging as a valuable asset during procedures for vitreoretinal interface disorders, retinal detachments, submacular surgeries and therapeutics, and in pediatric conditions such as retinopathy of prematurity...
May 2016: Current Opinion in Ophthalmology
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