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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/27843233/role-of-pars-plana-vitrectomy-and-membrane-peel-in-vitreomacular-traction-associated-with-retinal-vasoproliferative-tumors
#2
Verónica Castro-Navarro, Jarin Saktanasate, Emil Anthony T Say, Allen Chiang, Carol Lally Shields
To report a case of retinal vasoproliferative tumor (VPT) with secondary epiretinal membrane (ERM) formation and vitreo-macular traction managed by pars plana vitrectomy (PPV) and membrane peel. A 29-year-old male was referred for management of decreased vision in the right eye (OD) for 1 week. Presenting visual acuity was 20/50 Snellen feet (ft) OD, and fundus examination showed an ERM associated with a reddish-yellow mass in the inferotemporal quadrant with overlying exudation, hemorrhage, and subretinal fluid consistent with VPT, and cryotherapy was recommended...
September 2016: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/27832911/endophthalmitis-after-intravitreal-injections-incidence-management-and-prognosis
#3
R Tarragó, J L Olea, C Ramírez, L Escudero
OBJECTIVE: To assess the rate of endophthalmitis after intravitreal injection (IVI) in a «clean room» of a single health centre, following the guidelines of the Spanish Vitreo-Retinal Society (SERV). An analysis was performed on the culture specimens, response to treatment, and final outcomes (guidelines). MATERIAL AND METHODS: A retrospective, observational study was conducted on a consecutive case series of patients diagnosed with infectious endophthalmitis after IVI in a single health centre between 2010 and 2015...
November 7, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27617646/-editorial-proliferative-vitreo-retinopathy
#4
H Helbig, A M Joussen
No abstract text is available yet for this article.
September 2016: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27579460/perspective-of-ophthalmology-residents-in-the-united-states-about-residency-programs-and-competency-in-relation-to-the-international-council-of-ophthalmology-guidelines
#5
Nizar Saleh Abdelfattah, Ahmed E Radwan, Srinivas R Sadda
PURPOSE: To evaluate the perspective of ophthalmology residents in the US about their residency programs and compare the competency of residency programs to international competency levels set by the International Council of Ophthalmology (ICO). METHODS: A cross-sectional web-based survey extracted from the ICO published competency standards was sent to program directors of ophthalmology residency programs in the US to forward it to current PGY-3, 4 residents, and residency graduates from 2011 to 2014...
September 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27439781/clinical-and-microbiological-profile-of-non-tuberculous-mycobacterial-endophthalmitis-experience-in-a-tertiary-eye-care-centre-in-southern-india
#6
Remya Mareen Paulose, Joveeta Joseph, Raja Narayanan, Savitri Sharma
BACKGROUND: Endophthalmitis caused by non-tuberculous mycobacteria (NTM) is a rare condition seen after surgery and trauma. This study reports a retrospective, consecutive, non-comparative case series of 5 patients referred to L. V. Prasad Eye Institute, Hyderabad, and diagnosed with culture-proven NTM endophthalmitis between January 2004 and April 2015. Data collected included demographic information, presenting features, microbiology investigation, treatment course, and final visual outcome...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27324930/-intraoperative-use-of-coherence-tomography-in-vitreoretinal-surgery
#7
Juan Abel Ramírez-Estudillo, Jorge Arturo Sánchez-Ramos, Carla Rocío Pérez-Montaño, Jesús Hernán González-Cortés
BACKGROUND: Optical coherence tomography is a useful tool in several diseases. Its intraoperative use with the intention of improving anatomical results has recently been described. PURPOSE: To determine the usefulness and safety of optical coherence tomography during pars plana vitrectomy for several vitreo-retinal diseases. MATERIAL AND METHODS: A prospective case series is reported, in which the decision that influenced the use of the optical coherence tomography imaging during pars plana vitrectomy is evaluated...
June 17, 2016: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/27231616/novel-microscope-integrated-stereoscopic-heads-up-display-for-intrasurgical-optical-coherence-tomography
#8
Liangbo Shen, Oscar Carrasco-Zevallos, Brenton Keller, Christian Viehland, Gar Waterman, Paul S Hahn, Anthony N Kuo, Cynthia A Toth, Joseph A Izatt
Intra-operative optical coherence tomography (OCT) requires a display technology which allows surgeons to visualize OCT data without disrupting surgery. Previous research and commercial intrasurgical OCT systems have integrated heads-up display (HUD) systems into surgical microscopes to provide monoscopic viewing of OCT data through one microscope ocular. To take full advantage of our previously reported real-time volumetric microscope-integrated OCT (4D MIOCT) system, we describe a stereoscopic HUD which projects a stereo pair of OCT volume renderings into both oculars simultaneously...
May 1, 2016: Biomedical Optics Express
https://www.readbyqxmd.com/read/27088344/biometry-optical-coherence-tomography-and-further-clinical-observations-in-knobloch-syndrome
#9
Amani AlBakri, Nicola G Ghazi, Arif O Khan
PURPOSE: Knobloch syndrome is a pathognomonic vitreo-retinopathy that includes zonular weakness, high myopia, and a distinct fundus appearance with tessellation out of proportion to the degree of myopia. Whether myopia in Knobloch syndrome is axial or lenticular is unclear. Also not known are the optical coherence tomography (OCT) correlates to the distinct fundus appearance. In this study we assess cycloplegic refraction, biometry, and macular spectral domain (SD) OCT in children with Knobloch syndrome...
April 18, 2016: Ophthalmic Genetics
https://www.readbyqxmd.com/read/27027299/surgical-treatment-for-diabetic-vitreoretinal-diseases-a-review
#10
REVIEW
Tarun Sharma, Angie Fong, Timothy Y Lai, Vincent Lee, Sudipta Das, Dennis Lam
Over the past four decades, advancements in surgical instrumentations and techniques have significantly improved the postoperative anatomical and visual outcomes of patients with various diabetic vitreoretinal diseases. In particular, surgical interventions for previously serious and untreatable blinding proliferative diabetic retinopathy can now be performed, with much better results. The advents of micro incisional vitrectomy system with better visualization system like binocular indirect ophthalmomicroscope and state-of-the-art instrumentation revolutionized the era of diabetic vitrectomy...
May 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27009616/controversies-in-intraocular-lens-implantation-in-pediatric-uveitis
#11
REVIEW
Sumita Phatak, Careen Lowder, Carlos Pavesio
Cataract is one of the most common and visually debilitating complications of pediatric uveitis. It develops as a consequence of chronic inflammation and steroid use and is seen most often in juvenile idiopathic arthritis (JIA)-associated uveitis. Cataract extraction with intraocular lens (IOL) insertion has been carried out with a measure of success in non-uveitic pediatric eyes, but in cases of uveitis, multiple factors affect the final outcome. Chronic inflammation and its sequelae such as band keratopathy, posterior synechiae, and cyclitic membranes make surgical intervention more challenging and outcome less certain...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/26991970/addressing-risk-factors-screening-and-preventative-treatment-for-diabetic-retinopathy-in-developing-countries-a-review
#12
REVIEW
Stephanie Lin, Pradeep Ramulu, Ecosse L Lamoureux, Charumathi Sabanayagam
The number of people with diabetic retinopathy (DR) has increased with the increasing prevalence of diabetes mellitus worldwide, especially in developing countries. In recent years, the successful implementation of public health programs in developed countries has been thought to contribute to decreases in blindness from DR. Developing countries, however, have not seen the same improvements, and their public health interventions still face significant challenges. In this review we describe the current state of public health approaches including risk factor control, screening and treatment techniques for DR in developing countries, and suggest recommendations...
May 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/26898164/lamellar-macular-hole-two-distinct-clinical-entities
#13
Andrea Govetto, Yann Dacquay, Matthew Farajzadeh, Eva Platner, Kyle Hirabayashi, Hamid Hosseini, Steven D Schwartz, Jean-Pierre Hubschman
PURPOSE: To investigate whether lamellar macular holes can be divided into different subgroups. DESIGN: Retrospective observational case series. METHODS: In this institutional study, clinical charts and spectral-domain optical coherence tomography (OCT) images of 102 eyes of 90 consecutive patients diagnosed with lamellar macular hole were reviewed. In OCT imaging, the presence of lamellar macular hole was defined according to the following findings: presence of irregular foveal contour, separation of the layers of the neurosensory retina, and the absence of full-thickness macular defect...
April 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/26776338/nucleus-drop-during-small-incision-cataract-surgery-a-report-of-four-cases
#14
Adekunle Rotimi-Samuel, Adeola Olukorede Onakoya, Olufisayo Temitayo Aribaba, Kareem Olatubosun Musa, A Sunday Alabi, Folashade Bolanle Akinsola
Small incision cataract surgery (SICS) offers the benefits of a phacoemulsification (phaco) surgery without the attendant high cost, but it is not without certain risk such as nucleus drop into the vitreous as seen in phaco. A retrospective study of SICS and associated factors leading to nucleus drop during surgery, challenges of management and the visual outcomes. Of 793 eye surgeries performed during the study 586 were SICSs. Nucleus drop during SICS occurred in 0.68% of patients. Can-opener technique of capsulotomy, use of dispersive viscoelastic, diabetes mellitus, lack of anterior vitrectomy machine and poor access to immediate posterior vitrectomy were important problems in the management of the cases of nucleus drop in this study...
October 2015: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/26743751/en-face-oct-in-stargardt-disease
#15
Andrea Sodi, Dario Pasquale Mucciolo, Francesca Cipollini, Vittoria Murro, Orsola Caporossi, Gianni Virgili, Stanislao Rizzo
PURPOSE: To evaluate the structural features of the macular region by enface OCT imaging in patients with clinical diagnosis of Stargardt disease, confirmed by the detection of ABCA4 mutations. METHODS: Thirty-two STGD patients were included in the study for a total of 64 eyes. All patients received a comprehensive ophthalmological examination, color fundus photography, fundus auto-fluorescence imaging and OCT. Five OCT scans were considered: ILM and RPE scans (both automatically obtained from the instrument), above-RPE slab, photoreceptor slab and sub-RPE slab (these last three manually obtained)...
September 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/26737392/haptic-interface-for-robot-assisted-ophthalmic-surgery
#16
A Barthel, D Trematerra, M A Nasseri, D Zapp, C P Lohmann, A Knoll, M Maier
Vitreo-retinal surgery is challenging, as delicate structures have to be manipulated. Eliminating tremor caused by human motions when doing micromanipulation can therefore improve the outcome of such an intervention. An eye surgery robot has been built to overcome this problem. The contribution of this paper is the design of a telemanipulation setup for the robotic system. A telemanipulation setup using a haptic device featuring force feedback as a user interface for controlling a hybrid parallel-serial micromanipulator is designed and developed...
August 2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/26679386/beyond-the-edge-proliferation-after-relaxing-retinectomy
#17
E Denion, S Coffin-Pichonnet, A Degoumois, M-G Barcatali, T Beuste, A-L Lux
PURPOSE: To report beyond-the-edge proliferation (BTEP) after relaxing retinectomies (RR) i.e. fibrous sheets stretched between the RR edge and the far periphery; to evaluate the tractional potential and report the long-term course of BTEP. METHODS: Retrospective review of the medical records of 83 patients having undergone a RR between January 2009 and December 2014 to identify patients with BTEP. RESULTS: Six patients aged 31 to 76 were identified...
January 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/26580417/evaluation-of-the-new-save-protocol-in-diabetic-macular-edema-over-the-course-of-anti-vegf-treatment
#18
Lukas Reznicek, Matthias Bolz, Aylin Garip, Anselm Kampik, Marcus Kernt, Wolfgang J Mayer
BACKGROUND: To evaluate a recently established grading protocol for diabetic macular edema (DME) over the course of intravitreal anti-VEGF treatment with ranibizumab. METHODS: Fluorescein angiography images and optical coherence tomography scans before treatment and after 3 monthly applied intravitreal ranibizumab injections were retrospectively graded for each included study eye according to the recently introduced "SAVE" grading protocol ("S"= subretinal fluid; "A"= "area of retinal thickening"; "V"="vitreo-retinal abnormalities"; "E"="etiology of leakage focal versus non-focal") and correlated with best-corrected visual acuity (BCVA) in letters (lett)...
August 2016: Current Eye Research
https://www.readbyqxmd.com/read/26530343/combined-depth-imaging-of-choroid-in-uveitis
#19
Padmamalini Mahendradas, Sumukh Madhu, Ankush Kawali, Indu Govindaraj, Poornachandra B Gowda, Anand Vinekar, Naren Shetty, Rohit Shetty, Bhujang K Shetty
BACKGROUND: Understanding the changes that occur in the choroid is of paramount importance in various uveitis entities. B-scan ultrasonography and indocyanine green angiography can be used to study choroid. Currently, spectral-domain optical coherence tomography is used as the standard noninvasive technique to study the choroid by enhanced depth imaging. Our aim was to study the structural visibility of the choroid using spectral-domain optical coherence tomography in the same area of interest in patients with uveitis with posterior segment manifestations using conventional, enhanced depth imaging (EDI), and combined depth imaging (CDI) techniques...
December 2014: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/26511080/ocriplasmin-use-in-a-selected-case-with-preserved-visual-acuity
#20
Settimio Rossi, Ada Orrico, Paolo Melillo, Francesco Testa, Francesca Simonelli, Michele Della Corte
BACKGROUND: Previous studies described cases of Ocriplasmin injections in patients with vitreo-macular traction and reduced central visual acuity. We describe the first case of a patient with 20/20 visual acuity and vitreo-macular traction treated with Ocriplasmin, and, for the first time in literature, we evaluated the functional changes of the macula in response to pharmacological treatment through multifocal-electroretinogram. CASE PRESENTATION: We report the case of a female Caucasian patient aged 67 years with vitreo-macular traction in the right eye, treated with Ocriplasmin, at the Eye Clinic of the Second University of Naples...
October 29, 2015: BMC Ophthalmology
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