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Posterior vitreous detachment

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https://www.readbyqxmd.com/read/28430324/negative-staining-of-the-vitreous-with-the-use-of-vital-dyes
#1
Cesare Mariotti, Michele Nicolai, Simone Donati, Michele Reibaldi
PURPOSE: The vitreous cortex, epiretinal membrane (ERM), and inner limiting membrane (ILM) are transparent tissues and are thus difficult to visualize. Staining these structures can increase the efficiency of a nontraumatic removal. METHODS: The surgeon performs a partial core vitrectomy and induces a posterior vitreous detachment. The vital dye is then injected into the retrohyaloid space in balanced salt solution (BSS). The dyes used are TWIN (Alchimia srl, Padova, Italy), MembraneBlue-Dual (DORC International, Zuidland, the Netherlands), and Doubledyne (Alfa Intes, Casoria, Italy)...
April 13, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28405744/long-term-follow-up-of-fellow-eye-in-patients-with-lamellar-macular-hole
#2
Ugo Nava, Matteo Giuseppe Cereda, Ferdinando Bottoni, Chiara Preziosa, Marco Pellegrini, Andrea Giani, Giovanni Staurenghi
BACKGROUND: To evaluate macular changes in fellow eyes of patients diagnosed with lamellar macular hole (LMH) using spectral-domain optical coherence tomography (SD-OCT) and blue fundus autofluorescence (B-FAF). METHODS: Fellow eyes of patients diagnosed with a LMH were retrospectively evaluated on OCT. Best-corrected visual acuity (BCVA) and central foveal thickness (CFT) were recorded. Corresponding B-FAF images, vitreo-macular relations, and type of epiretinal membranes (ERMs) were also examined...
April 13, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28393030/surgical-treatment-and-visual-outcomes-of-cataract-with-persistent-hyperplastic-primary-vitreous
#3
Li Li, Da-Bei Fan, Ya-Ting Zhao, Yun Li, Fang-Fei Cai, Guang-Ying Zheng
AIM: To evaluate the surgical treatment and visual outcomes of eyes with cataract and persistent hyperplastic primary vitreous (PHPV). METHODS: This retrospective study included patients with cataract and PHPV treated with various strategies. Anterior PHPV was treated using phacoemulsification with underwater electric coagulation on posterior capsule neovascularization, posterior capsulotomy, anterior vitrectomy, and intraocular lens (IOL) implantation. Posterior PHPV was treated with lensectomy, posterior vitrectomy, retinal photocoagulation, and IOL implantation or silicone oil tamponade...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28389702/cooperative-robot-assistant-for-vitreoretinal-microsurgery-development-of-the-rvrms-and-feasibility-studies-in-an-animal-model
#4
Yi-Qi Chen, Ji-Wei Tao, Ling-Ya Su, Liang Li, Shi-Xin Zhao, Yang Yang, Li-Jun Shen
PURPOSE: The purpose of the study was to describe the development of a robotic aided surgical system named RVRMS (robotic vitreous retinal microsurgery system) and to evaluate the capability for using it to perform vitreoretinal surgery. METHODS: The RVRMS was designed and built to include the key components of two independent arms. End-effectors of each arm fix various surgical instruments and perform intraocular manipulation. To evaluate properly the RVRMS, robot-assisted 23-gauge surgical tasks including endolaser for retinal photocoagulation, pars plana vitrectomy (PPV), retinal foreign body removal and retinal vascular cannulation were performed in two different sizes of an animal model...
April 8, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28376042/spectral-domain-optical-coherence-tomography-findings-in-macula-involving-cytomegalovirus-retinitis
#5
Mrinali P Gupta, Sarju Patel, Anton Orlin, Elizabeth Marlow, Ru-Ik Chee, Jennifer Nadelmann, R V Paul Chan, Donald J DʼAmico, Szilard Kiss
PURPOSE: To evaluate the microstructural features of cytomegalovirus (CMV) retinitis by spectral domain optical coherence tomography (OCT). METHODS: Subjects were patients with macula-involving CMV retinitis with OCT imaging. The leading edge of retinitis in the macula was identified based on fundus imaging, and OCT findings were longitudinally evaluated in three areas: within the area of active retinitis, at the leading edge of retinitis, and just beyond the leading edge of retinitis...
April 3, 2017: Retina
https://www.readbyqxmd.com/read/28358743/massive-subretinal-gas-after-vitrectomy-surgery-mechanism-and-management
#6
Mark E Seamone, Darrell R Lewis, David Almeida, Netan Choudhry, R Rishi Gupta
PURPOSE: To describe the complication of subretinal gas after pars plana vitrectomy for rhegmatogenous retinal detachment, as well as its management. METHODS: The presence of subretinal gas was noted on postoperative Day 1 after pars plana vitrectomy for a chronic rhegmatogenous retinal detachment. Resolution of subretinal gas was facilitated by an infusion line and external sclerotomy to expand the vitreous cavity. Residual subretinal gas was removed through a posterior retinotomy after fluid-air exchange...
March 29, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28358220/vitreous-hyper-reflective-dots-in-optical-coherence-tomography-and-retinal-tear-in-patients-with-acute-posterior-vitreous-detachment
#7
Jong-Hyun Oh, Jaeryung Oh, Hyun Cheol Roh
PURPOSE: To report the presence of hyper-reflective dots in the vitreous cavity using spectral-domain optical coherence tomography (SD-OCT) in patients with acute symptomatic posterior vitreous detachment (PVD) and investigate their association with the presence of retinal tear. METHODS: The medical records of 77 patients with acute symptomatic PVD, who were examined between March 2013 and February 2015, were reviewed. The severity of vitreous hyper-reflective dots (VHDs) was graded using SD-OCT images, and the presence of retinal tear was assessed...
March 30, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28297034/the-role-of-posterior-vitreous-detachment-and-vitreomacular-adhesion-in-patients-with-age-related-macular-degeneration
#8
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/28277441/changes-in-the-posterior-vitreous-after-cataract-surgery-assessed-by-swept-source-optical-coherence-tomography
#9
Yuki Otsuka, Sotaro Ooto, Nagahisa Yoshimura
PURPOSE: To assess changes in the posterior vitreous caused directly by phacoemulsification with implantation of an intraocular lens, using the enhanced vitreous swept-source optical coherence tomography system (Topcon, Tokyo, Japan). METHODS: Consecutive patients with cataract without posterior vitreous detachment were enrolled. Swept-source optical coherence tomography examinations were performed 1 day before and several days after surgery, using enhanced vitreous visualization...
March 8, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28258075/a-retrospective-study-of-the-influence-of-the-vitreomacular-interface-on-macular-oedema-secondary-to-retinal-vein-occlusion
#10
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)...
March 3, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28254440/combined-vitrectomy-and-glaucoma-drainage-device-implantation-surgical-approach-for-complex-pediatric-glaucomas
#11
Cem Ozgonul, Cagri G Besirli, Brenda L Bohnsack
PURPOSE: To evaluate efficacy of combined vitrectomy with posteriorly placed glaucoma drainage device (GDD) in lowering intraocular pressure (IOP) in children. METHODS: The medical records of children who underwent vitrectomy with posteriorly placed GDD were reviewed retrospectively. Patients with a minimum of 6 months' follow-up were included. The first eye operated on for each patient was analyzed. Success was defined as IOP of 5-20 mm Hg and no additional IOP-lowering surgery or visually devastating complications...
February 28, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28254116/motorized-injector-assisted-intrascleral-intraocular-lens-fixation
#12
Jia-Horung Hung, Shih-Hao Wang, Yu-Ti Teng, Sheng-Min Hsu
For eyes with deficient capsular support, intraocular lens (IOL) implantation has long been a technical challenge. Recently, intrascleral fixation of the haptics of a three-piece posterior chamber IOL has become a popular option. In this procedure, externalization of the leading haptic during IOL injection is a stressful step. We present a modified technique to improve the ease and safety of this step. Our modified technique involves IOL injection with a motorized injector with several important modifications described here...
March 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28249883/macular-hole-closure-following-spontaneous-release-of-vitreomacular-traction
#13
Cem Ozgonul, Cagri G Besirli
We describe the temporal changes observed with spectral-domain optical coherence tomography (SD-OCT) in the left eye of a 65-year-old man who developed a stage 1 macular hole secondary to vitreomacular traction (VMT). After 1 month, VMT had resolved spontaneously with a complete posterior vitreous detachment. Following VMT resolution, macular hole demonstrated progressive improvement and outer retinal disruption recovered spontaneously. This report highlights the importance of observation before any intervention for cases of stage 1 macular hole associated with VMT...
March 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28221258/endoillumination-assisted-modified-scleral-buckling
#14
Alexandre Assi, Youssef Abdelmassih, Sylvain El-Khoury
PURPOSE: To assess the anatomical and functional outcomes in addition to complications for endoillumination-assisted modified scleral buckling surgery using a noncontact Oculus BIOM wide-angle viewing system in patients with primary rhegmatogenous retinal detachment. METHODS: This is an interventional prospective noncomparative case series. Consecutive patients listed for scleral buckle surgery for primary rhegmatogenous retinal detachment were enrolled over an 18-month period and followed up for 1 year...
February 17, 2017: Retina
https://www.readbyqxmd.com/read/28207607/pars-plana-vitrectomy-and-lensectomy-for-ectopia-lentis-with-and-without-the-induction-of-a-posterior-vitreous-detachment
#15
Mandeep S Singh, Edward J Casswell, Stavroula Boukouvala, Petros Petrou, David G Charteris
PURPOSE: Posterior hyaloid removal during pars plana vitrectomy and lensectomy for ectopia lentis is commonly performed, but may increase the risk of intraoperative retinal breaks and postoperative retinal detachment. This study evaluated outcomes after pars plana vitrectomy and lensectomy with or without posterior hyaloid removal. METHODS: This retrospective observational cohort study included ectopia lentis cases that underwent pars plana vitrectomy and lensectomy (2005-2014), with or without intraoperative induction of a posterior vitreous detachment (PVD)...
February 15, 2017: Retina
https://www.readbyqxmd.com/read/28185180/primary-iris-claw-iol-retrofixation-with-intravitreal-triamcinolone-acetonide-in-cases-of-inadequate-capsular-support
#16
Aditya Kelkar, Rachana Shah, Viraj Vasavda, Jai Kelkar, Shreekant Kelkar
PURPOSE: To assess the outcomes and analyze complication rates following primary iris claw IOL retrofixation with intravitreal triamcinolone acetonide. METHODS: This is a retrospective interventional case series. Patients with poor capsular support-diagnosed preoperatively or owing to intraoperative complications-were treated with iris claw IOL retrofixation with intravitreal triamcinolone acetonide. The data were retrospectively analyzed. RESULTS: 104 eyes of 102 patients with poor capsular support who underwent the procedure between 2010 and 2013 were analyzed...
February 9, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28160191/risk-factors-for-multiple-retinal-tears-in-patients-with-acute-posterior-vitreous-detachment
#17
Eyyup Karahan, Omer Karti, Duygu Er, Duygu Cam, Rukiye Aydın, Mehmet Ozgur Zengin, Suleyman Kaynak
PURPOSE: To evaluate possible risk factors for multiple retinal tears in patients with acute posterior vitreous detachment. MATERIALS AND METHODS: Three hundred and seventy-six consecutive patients presenting with symptoms of floaters and/or flashes were examined. The associations of retinal tears with the duration of symptoms, multiple floaters, flashing, a family history of retinal detachment, peripheral retinal degeneration, lens status, myopia, tobacco dust, and retinal or vitreous hemorrhage were analyzed...
February 3, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28149795/assessment-of-posterior-vitreous-detachment-on-enhanced-high-density-line-optical-coherence-tomography
#18
Yu Cheol Kim, Mariana Harasawa, Frank S Siringo, Hugo Quiroz-Mercado
No abstract text is available yet for this article.
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28133544/an-assessment-of-vitreous-degeneration-in-eyes-with-vitreomacular-traction-and-macular-holes
#19
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/28099316/pneumatic-vitreolysis-for-relief-of-vitreomacular-traction
#20
Clement K Chan, Jason N Crosson, Calvin E Mein, Noha Daher
PURPOSE: To evaluate the outcome of perfluoropropane (C3F8) gas injection for symptomatic vitreomacular traction (VMT) with or without Stage 2 macular hole (MH). METHODS: A retrospective review of eyes with VMT treated with 0.3 mL of C3F8 gas was performed. Patients avoided the supine position until gas resolution. Patients with small MH maintained partial face-down positioning. RESULTS: Forty-nine consecutive patients (50 eyes) with symptomatic VMT underwent pneumatic vitreolysis between 2010 and 2016...
March 16, 2017: Retina
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