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Posterior vitreous detachment

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https://www.readbyqxmd.com/read/27898449/modern-phacoemulsification-and-intraocular-lens-implantation-refractive-lens-exchange-is-safe-and-effective-in-treating-high-myopia
#1
Bhaskar Srinivasan, Hiu Ying Leung, He Cao, Shu Liu, Lizhen Chen, Alex Hoi Fan
Improved efficacy, predictability, and safety of modern phacoemulsification have resulted in cataract surgery being considered as a refractive procedure. Refractive lens exchange by definition is a surgery aimed at replacing the cataractous or clear crystalline lens with an intraocular lens (IOL) in cases of high ametropia. The excellent intraocular optics of this procedure provide a better visual outcome as compared with laser refractive surgery in high myopia. With advances in technology and IOL formulas, the predictability of refractive outcome after cataract surgery in high myopes has improved...
November 2016: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/27853954/spectral-domain-optical-coherence-tomography-findings-in-idiopathic-lamellar-macular-hole
#2
Elena Zampedri, Federica Romanelli, Francesco Semeraro, Barbara Parolini, Rino Frisina
BACKGROUND: To evaluate demographic, functional, and morphological parameters of idiopathic lamellar macular hole (ILMH). METHODS: Observational longitudinal retrospective study. Optical coherence tomography examinations and corresponding clinical charts of a series of consecutive patients affected by ILMH, between January 2010 and March 2015, from the database of the Department of Ophthalmology of Trento Hospital, Italy, have been collected and examined. Demographic and functional parameters were: age (year), gender (male/female), eye (right/left), lens status, best-corrected visual acuity (BCVA) in logarithm of the minimum angle of resolution (LogMAR)...
November 16, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27843904/histopathologic-diagnosis-of-atypical-primary-vitreoretinal-lymphoma-following-enucleation
#3
Arjun B Sood, Steven Yeh, Pia Mendoza, Hans E Grossniklaus
INTRODUCTION: Primary vitreoretinal lymphoma (PVRL) is a rare but potentially fatal malignancy. The diagnosis of PVRL remains challenging. Here, we present a case of PVRL with a diagnostic enucleation required to establish the diagnosis. METHODS/CASE DESCRIPTION: A 58-year-old otherwise healthy woman was referred for evaluation of panuveitis with persistent blurred vision in the left eye. Extensive laboratory work-up was negative. On initial evaluation, the patient had visual acuity of no light perception in the left eye...
October 2016: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/27833968/posterior-vitreous-detachment-and-macular-anatomical-changes-a-tomographic-electroretinographic-study
#4
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/27787452/rhegmatogenous-retinal-detachment-after-intraarterial-chemotherapy-for-retinoblastoma-the-2016-founders-award-lecture
#5
Carol L Shields, Emil A T Say, Maria Pefkianaki, Carl D Regillo, Emi H Caywood, Pascal M Jabbour, Jerry A Shields
PURPOSE: To evaluate rhegmatogenous retinal detachment (RRD) in eyes with retinoblastoma after intraarterial chemotherapy (IAC). DESIGN: Retrospective case series. METHODS: Chart review. MAIN OUTCOME MEASURE: Development of RRD in the IAC era. RESULTS: Of 167 eyes in 157 consecutive patients, mean patient age at diagnosis of retinoblastoma was 19 months. Intraarterial chemotherapy was primary (75/167, 45%) or secondary (92/167, 55%)...
October 26, 2016: Retina
https://www.readbyqxmd.com/read/27769323/test-characteristics-of-point-of-care-ultrasonography-for-the-diagnosis-of-acute-posterior-ocular-pathology
#6
Michael Y Woo, Nathan Hecht, Bernard Hurley, David Stitt, Venkatesh Thiruganasambandamoorthy
OBJECTIVES: The objective of this study was to determine the test characteristics of point-of-care ultrasonography (POCUS) for the diagnosis of retinal tear (RT), retinal detachment (RD), posterior vitreous detachment (PVD), and vitreous hemorrhage (VH). DESIGN: A prospective observation study on a convenience sample of patients presenting to a tertiary care emergency general ophthalmology clinic was performed. PARTICIPANTS: Adult patients with acute flashes/floaters or new visual field defects were included (n = 62)...
October 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/27766175/possible-relation-between-lack-of-posterior-vitreous-detachment-and-severe-endogenous-endophthalmitis
#7
Kazuhiko Umazume, Jun Suzuki, Yoshihiko Usui, Yoshihiro Wakabayashi, Hiroshi Goto
Purpose. Endogenous endophthalmitis (EE) is a rare ocular disease caused by bacterial or fungal infection of intraocular spaces by hematogenous spread of pathogens from distant infectious loci in the body. We investigated the clinical characteristics and management of eyes with EE in ten consecutive patients. Methods. Ten patients (10 eyes) with EE treated at Tokyo Medical University Hospital in 2014 were reviewed. We retrospectively studied the causative organisms, systemic complications, pre/postoperative mean best-corrected visual acuity (BCVA), and status of posterior vitreous detachment (PVD)...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27746263/the-optical-imaging-and-clinical-features-of-tamoxifen-associated-macular-hole-a-case-report-and-review-of-the-literatures
#8
Yuedong Hu, Liu Ningning, Yanyan Chen
We report a case of tamoxifen associated macular hole with typical optical imaging and clinical features. A 53-year-old woman came to our department for gradual decrees of vision acuity in both eyes for 3 months after 30 months low-dosage-tamoxifen treatment as adjuvant treatment for invasive ductal breast carcinoma. Her best corrected visual acuity (BCVA) was 0.4 in the right eye and 0.12 in the left eye. Dilated fundus examination showed macular multiple, fine, crystalline deposits and small white points in retina of both eyes...
October 13, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27688910/evaluation-of-anterior-chamber-volume-in-cataract-patients-with-swept-source-optical-coherence-tomography
#9
Wenwen He, Xiangjia Zhu, Don Wolff, Zhennan Zhao, Xinghuai Sun, Yi Lu
Purpose. To evaluate the anterior chamber volume in cataract patients with Swept-Source Optical Coherence Tomography (SS-OCT) and its influencing factors. Methods. Anterior chamber volume of 92 cataract patients was evaluated with SS-OCT in this cross-sectional study. Univariate analyses and multiple linear regression were used to investigate gender, age, operated eye, posterior vitreous detachment, lens opacity grading, and axial length (AXL) related variables capable of influencing the ACV. Results. The average ACV was 139...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27633841/degradation-of-contrast-sensitivity-function-following-posterior-vitreous-detachment
#10
Giancarlo A Garcia, Matin Khoshnevis, Kenneth M P Yee, Jeannie Nguyen-Cuu, Justin H Nguyen, J Sebag
PURPOSE: To evaluate the effect of posterior vitreous detachment (PVD) on contrast sensitivity function (CSF) in previously normal eyes, with the hypothesis that PVD reduces CSF. DESIGN: Prospective observational case series. METHODS: At a single clinical practice 28 eyes were evaluated: 8 eyes of 8 adults (mean age=54.4 ± 10.1 years; range=39 to 68) with normal CSF documented by Freiburg Acuity Contrast Testing (Weber index: %W) who subsequently experienced PVD, as confirmed by ultrasonography and OCT; 8 fellow eyes without PVD; and 12 control eyes: 9 eyes with PVD in patients who chose observation and 3 fellow eyes without PVD...
September 12, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27617573/characterization-of-the-eyes-in-preoperative-cataract-saudi-patients-by-using-medical-diagnostic-ultrasound
#11
M Z Mahmoud, M Alkhorayef, A Sulieman
Objective: This study was designed with an aim to visualize the status of the posterior portion of the eye globe of adult Saudi cataract patients with brightness mode (B-mode) ultrasound, to find out any posterior segment lesions in such preoperative cases. Methods: A prospective study was performed between May 2014 and May 2015. A 375 pre-operative cataract (184, 49.1%) males and (191, 50.9%) females between the ages from 18 to 90 years; mean age of 54 ± 0.5 years were scanned at two Radiology Departments...
February 15, 2016: West Indian Medical Journal
https://www.readbyqxmd.com/read/27582535/prenatal-diagnosis-of-persistent-hyperplastic-primary-vitreous-report-of-2-cases-and-review-of-the-literature
#12
Aytul Corbacioglu Esmer, Tugba Sarac Sivrikoz, Elif Yilmaz Gulec, Salim Sezer, Ibrahim Kalelioglu, Recep Has, Atil Yuksel
Persistent hyperplastic primary vitreous is a spectrum of congenital ocular abnormalities characterized by leukocoria, microphthalmia, cataracts, extensive intravitreal hemorrhage, persistence of the hyaloid artery, glaucoma, and retinal detachment. It might be isolated or associated with congenital syndromes such as trisomy 13, Walker-Warburg syndrome, and Norrie disease. We present 2 cases of persistent hyperplastic primary vitreous diagnosed by prenatal sonography in the early third trimester. Bilateral hyperechoic lenses and retinal nonattachment were detected in the sonographic examination of the first case, whereas irregular echogenic bands between the lenses and posterior walls of the eyes were prominent in the second case...
October 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27579729/long-term-outcomes-of-radial-optic-neurotomy-for-management-of-optic-disk-pit-maculopathy
#13
Murat Karacorlu, Isil Sayman Muslubas, Mumin Hocaoglu, Hakan Ozdemir, Serra Arf, Omer Uysal
PURPOSE: To evaluate the long-term outcomes of radial optic neurotomy (RON) in patients with optic disk pit maculopathy and to compare the functional and anatomical outcomes of pars plana vitrectomy (PPV) with temporal side single RON versus PPV without RON. METHODS: This retrospective study included 15 eyes of 15 consecutive patients who had surgery for optic disk pit maculopathy. Patients were followed for 12 to 115 months after surgery. Anatomical and functional results were evaluated with optical coherence tomography, MP-1 microperimetry in the central 20°, and measurement of best-corrected visual acuity...
December 2016: Retina
https://www.readbyqxmd.com/read/27548037/macular-hole-formation-identified-with-intraoperative-oct-during-vitrectomy-for-vitreomacular-traction-syndrome
#14
Shota Sawaguchi, Ichiro Maruko, Yuriko Mikami, Taiji Hasegawa, Hideki Koizumi, Tomohiro Iida
PURPOSE: To report the identification of macular hole formation using intraoperative optical coherence tomography (OCT) during vitrectomy for vitreomacular traction syndrome. METHODS: A 58-year-old woman with vitreomacular traction syndrome underwent the vitrectomy using the 25-gauge system with scanning the macular area using the integrated and intraoperative OCT (Rescan 700, Zeiss). When posterior vitreous detachment at the fovea was performed using a vitreous cutter, the hyperreflective tissue thought to be the rupture of the internal limiting membrane and the full-thickness macular hole were identified on the horizontal and vertical scans simultaneously in intraoperative OCT...
August 19, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27508506/vitrectomy-for-macular-retinoschisis-without-a-detectable-optic-disk-pit
#15
Masatoshi Haruta, Ryoji Yamakawa
PURPOSE: To evaluate the efficacy of vitrectomy in the treatment of macular retinoschisis without a detectable optic disk pit. METHODS: This retrospective interventional case series included eight patients with acquired, unilateral macular retinoschisis with or without foveal detachment. Patients with an optic disk pit, vitreomacular traction, or high myopia were excluded. Six of the eight patients underwent vitrectomy with internal limiting membrane peeling and fluid-air exchange...
August 9, 2016: Retina
https://www.readbyqxmd.com/read/27500107/predictive-factors-for-postoperative-visual-function-of-primary-chronic-rhegmatogenous-retinal-detachment-after-scleral-buckling
#16
Wei Fang, Jiu-Ke Li, Xiao-Hong Jin, Yuan-Min Dai, Yu-Min Li
AIM: To evaluate predictive factors for postoperative visual function of primary chronic rhegmatgenous retinal detachment (RRD) after sclera buckling (SB). METHODS: Totally 48 patients (51 eyes) with primary chronic RRD were included in this prospective interventional clinical cases study, which underwent SB alone from June 2008 to December 2014. Age, sex, symptoms duration, detached extension, retinal hole position, size, type, fovea on/off, proliferative vitreoretinopathy (PVR), posterior vitreous detachment (PVD), baseline best corrected visual acuity (BCVA), operative duration, follow up duration, final BCVA were measured...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27497808/plasmin-enzyme-assisted-vitrectomy-in-pediatric-patients-with-vitreoretinal-diseases
#17
Yung-Sung Lee, Nan-Kai Wang, Yen-Po Chen, Kuan-Jen Chen, Yih-Shiou Hwang, Chi-Chun Lai, Wei-Chi Wu
PURPOSE: To evaluate the efficacy and safety of using plasmin-assisted vitrectomy in pediatric patients with vitreoretinal diseases. METHODS: We prospectively recruited children aged 16 years or younger who presented with vitreoretinopathies and underwent plasmin-assisted vitrectomy between 2012 and 2013. The main outcome measure was the induction of posterior vitreous detachment (PVD) using a suction power of 200 mm Hg or less during surgery. RESULTS: Eleven eyes of 11 patients (mean age: 3...
2016: Ophthalmic Research
https://www.readbyqxmd.com/read/27471829/diabetes-alters-the-magnitude-of-vitreomacular-adhesion
#18
Brooke Lw Nesmith, Agustina C Palacio, Yam Schaal, Akash Gupta, Shlomit Schaal
PURPOSE: To quantify the changes in vitreomacular interactions that occur with aging in diabetic eyes in comparison with age-matched control eyes. METHODS: Spectral-domain optical coherence tomography (Spectralis; Heidelberg Engineering) foveal scans of diabetic patients, without evidence of cystoid macular edema, were included. Twenty-five raster foveal scans were performed on every subject. Area of vitreomacular adhesion was delineated using the Spectralis drawing tool and calculated in square millimeter...
July 28, 2016: Retina
https://www.readbyqxmd.com/read/27465571/factors-associated-with-pentosidine-accumulation-in-the-human-vitreous
#19
Marielle van Deemter, Ruud A Bank, Jelle Vehof, Johanna M M Hooymans, Leonoor I Los
PURPOSE: To explore factors associated with pentosidine accumulation in the human vitreous. METHODS: Vitreous samples were obtained during trans pars plana vitrectomy for macular hole or rhegmatogenous retinal detachment. Patient characteristics included age, gender, and diabetes mellitus. Ocular characteristics included pseudophakia, posterior vitreous detachment, and presence of intraocular fibrosis (epiretinal membrane, proliferative vitreoretinopathy, or both)...
July 26, 2016: Retina
https://www.readbyqxmd.com/read/27462138/age-dependent-vitreous-separation-from-the-macula-in-a-clinic-population
#20
Zahid Syed, Michael W Stewart
BACKGROUND: Vitreous degeneration begins soon after birth and accelerates throughout life. Vitreous liquefaction with a slowly progressive separation of the posterior hyaloid from the peripheral macula usually leads to complete posterior vitreous detachment. The purpose of this study is to measure the age-related prevalence of partial vitreous separation and the length of residual vitreous adhesion in an ophthalmology clinic population. METHODS: Patients examined by the senior author (MWS) during a 6-month period were included in a retrospective chart review...
2016: Clinical Ophthalmology
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