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Graefe's Archive for Clinical and Experimental Ophthalmology

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https://www.readbyqxmd.com/read/28429123/optical-coherence-tomography-angiography-vessel-density-mapping-at-various-retinal-layers-in-healthy-and-normal-tension-glaucoma-eyes
#1
Joong Won Shin, Kyung Rim Sung, Ji Yun Lee, Junki Kwon, Mincheol Seong
PURPOSE: To investigate peripapillary vessel density at various spatial locations and layers in healthy and normal tension glaucoma eyes using optical coherence tomography angiography (OCTA). METHODS: A commercial OCTA device (AngioPlex; Carl Zeiss Meditec) was used to image microvasculature in a 6 × 6-mm optic disc region. Vessel densities of superficial and deep retinal layers were calculated using an automatic thresholding algorithm. Vessel density maps were plotted by averaging individual angiogram images...
April 20, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28424868/non-invasive-measurements-of-the-dynamic-changes-in-the-ciliary-muscle-crystalline-lens-morphology-and-anterior-chamber-during-accommodation-with-a-high-resolution-oct
#2
José J Esteve-Taboada, Alberto Domínguez-Vicent, Daniel Monsálvez-Romín, Antonio J Del Águila-Carrasco, Robert Montés-Micó
PURPOSE: The purpose of the study was to assess non-invasively the changes in the anterior chamber eye, crystalline lens morphology, and ciliary muscle during accommodation by means of an anterior chamber optical coherence tomographer (OCT), and correlate them with vergence. METHODS: Twenty-five eyes of twenty-five healthy subjects, whose mean age was 29.9±7.1 years, were included and measured with an anterior chamber OCT. The central corneal thickness (CCT), anterior chamber depth (ACD), anterior crystalline lens radius of curvature (ALRC), crystalline lens thickness (CLT), and ciliary muscle area (CMA) were measured for each participant at 0, -1, -2, and -3 D of target vergence...
April 20, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28421343/antiplatelets-and-anticoagulants-in-vitreoretinal-surgery-with-a-special-emphasis-on-novel-anticoagulants-a-national-survey-and-review
#3
REVIEW
Rupa Patel, Stephen Charles, Assad Jalil
PURPOSE: To survey current practice and opinion regarding the cessation of antiplatelet and anticoagulant agents prior to vitreoretinal surgery, with special emphasis on novel anticoagulants, and to provide an overview of current literature. METHODS: An online survey was sent to 167 members of the British and Eire Association of Vitreoretinal Surgeons (BEAVRS). A literature search and analysis was conducted on studies that reviewed the bleeding risk of antiplatelet and anticoagulant agents...
April 18, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28421342/selective-retina-therapy-with-automatic-real-time-feedback-controlled-dosimetry-for-chronic-central-serous-chorioretinopathy-in-korean-patients
#4
Young Gun Park, Seungbum Kang, Minhee Kim, Nari Yoo, Young Jung Roh
PURPOSE: To evaluate the safety and efficacy of selective retina therapy (SRT) with real-time feedback-controlled dosimetry (RFD) in the treatment of chronic central serous chorioretinopathy (CSC). METHODS: In this retrospective case series study, 50 eyes of 49 patients with chronic CSC demonstrating focal or diffuse foveal leakages on fundus fluorescein angiography (FFA) were included. Following evaluation of test spots at temporal arcades, SRT (wavelength 527 nm, pulse repetition rate 100 Hz, pulse energy ramp with maximal 15 pulses) with retinal spot diameter of 200 μm was applied to the areas of each leakage observed on fluorescein angiography...
April 18, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28412773/massive-subretinal-and-subretinal-pigment-epithelial-hemorrhage-displacement-with-perfluorocarbon-liquid-using-a-two-step-vitrectomy-technique
#5
Efrat Fleissig, Adiel Barak, Michaela Goldstein, Anat Loewenstein, Shulamit Schwartz
PURPOSE: The purpose of this study was to evaluate the efficacy and visual outcome of massive submacular hemorrhage (SMH) displacement with a planned two-step pars plana vitrectomy (PPV) using tissue plasminogen activator (tPA) and perfluorocarbon liquid (PFCL) tamponade. METHODS: A retrospective case series of patients with age related macular degeneration and SMH was used. All patients underwent a 23G PPV, subretinal tPA injection and a medium term PFCL tamponade...
April 15, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28412772/quantitative-analysis-of-external-limiting-membrane-ellipsoid-zone-and-interdigitation-zone-defects-in-patients-with-macular-holes
#6
Jacques Ramos Houly, Carlos Eduardo Veloso, Elke Passos, Márcio Bittar Nehemy
PURPOSE: To investigate the correlation between the length of external limiting membrane (ELM), ellipsoid zone (EZ) and interdigitation zone (IZ) defects and visual prognosis in patients undergoing macular hole (MH) surgery, using spectral-domain optical coherence tomography (SD-OCT). METHODS: This is a retrospective, consecutive, observational case series study. Fifty-two eyes of 52 patients with primary MH were evaluated. A quantitative analysis of ELM, EZ and IZ defects was performed preoperatively and at 3 and 6 months postoperatively using SD-OCT...
April 15, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28411305/reading-charts-in-ophthalmology
#7
REVIEW
W Radner
A new generation of logarithmic reading charts has sparked interest in standardized reading performance analyses. Such reading charts have been developed according to the standards of the International Council of Ophthalmology. The print size progression in these calibrated charts is in accordance with the mathematical background of EN ISO 8596. These reading charts are: the Bailey-Lovie Word Reading Chart, the Colenbrander English Continuous Text Near Vision Cards, the Oculus Reading Probe II, the MNREAD Charts, the SKread Charts, and the RADNER Reading Charts...
April 14, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28409225/stromal-lenticule-transplantation-for-management-of-corneal-perforations-one-year-results
#8
Mohamed Samy Abd Elaziz, Adel Galal Zaky, Abdel Rahman El SaebaySarhan
PURPOSE: To study application of stromal lenticules extracted by femtolaser small incision lenticule extraction (SMILE) surgery as a surgical adjuvant to seal corneal perforations. METHODS: Corneal stromal lenticules obtained through SMILE surgery with central thickness 100 μm or more were fixed over corneal perforation sites using 10-0 nylon interrupted stitches with an overlying single layer of amniotic membrane. Seven patients who had been followed up for a minimum of 12 months were assessed using slit-lamp biomicroscopy, fluorescein stain, tonometry, and best spectacle-corrected visual acuity (BSCVA) measurements...
April 13, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28405744/long-term-follow-up-of-fellow-eye-in-patients-with-lamellar-macular-hole
#9
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/28401292/choroidal-thinning-in-fuchs-uveitis-syndrome
#10
LETTER
Colin S Tan, Kelvin Z Li, Isaac W Chay, Louis W Lim
No abstract text is available yet for this article.
April 11, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28396946/pattern-and-causes-of-visual-loss-in-beh%C3%A3-et-s-uveitis-short-term-and-long-term-outcomes
#11
Radgonde Amer, Walaa Alsughayyar, Diego Almeida
BACKGROUND: To analyze the pattern and causes of visual loss in patients with Behçet's uveitis and to report on the short-term outcome at 6 months and at last follow-up visit. Also, to analyze the pattern of visual acuity changes in eyes with and without macular involvement at the specified time points. METHODS: This is a retrospective cohort study of a single-center in an academic practice. Fifty-three patients with Behçet's uveitis evaluated between 2004 and 2014 were included...
April 10, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28396945/outcomes-of-cataract-surgery-with-without-vitrectomy-in-patients-with-pars-planitis-and-immunosuppressive-therapy
#12
Tania Albavera-Giles, Juan Carlos Serna-Ojeda, Aida Jimenez-Corona, Miguel Pedroza-Seres
BACKGROUND: The purpose of this study was to evaluate the characteristics and outcomes of cataract surgery with/without vitrectomy in patients with pars planitis who received immunosuppressive therapy. METHODS: This was a retrospective case series, single-center study. Twenty-two patients with pars planitis who received immunosuppressive therapy were included, with a median age at presentation of 9.5 years, having had cataract surgery. The following data was collected: age at presentation and at cataract surgery, time of follow-up, best-corrected visual acuity (BCVA) before the surgery and at 1 week, 1 and 6 months after the procedure, immunosuppressive therapy, complications and causes for failed visual improvement...
April 10, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28391371/re-switching-therapy-from-bevacizumab-to-aflibercept-for-the-management-of-persistent-diabetic-macular-edema
#13
LETTER
Bobak Bahrami, Thomas Hong, Andrew Chang
No abstract text is available yet for this article.
April 8, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28391370/descemet-membrane-endothelial-keratoplasty-dmek-early-stage-graft-failure-in-eyes-with-preexisting-glaucoma
#14
Maximilian Treder, Maged Alnawaiseh, Nicole Eter
PURPOSE: To evaluate the effect of a preexisting glaucoma on the early postoperative outcome of a descemet membrane endothelial keratoplasty (DMEK). METHODS: All patients who underwent DMEK surgery at the Department of Ophthalmology of the University of Muenster with a follow-up of at least 3 months (90d) were included in this study. The best corrected distance visual acuity (BCDVA), the intraocular pressure (IOD), the rate of re-keratoplasty and the rebubbling rate were inter alia recorded...
April 8, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28391369/relationship-between-lamina-cribrosa-displacement-and-trans-laminar-pressure-difference-in-papilledema
#15
Javier García-Montesinos, Francisco J Muñoz-Negrete, Victoria de Juan, Gema Rebolleda
PURPOSE: The purpose of this study was to describe morphological changes in lamina cribrosa (LC), prelaminar tissue thickness (PTT) and Bruch's membrane opening (BMO) in eyes affected by papilledema and correlate them with trans-LC-pressure difference (TLCD). METHODS: This was a prospective study, including twelve eyes newly diagnosed of papilledema. Eyes underwent scanning with Spectralis-OCT with enhanced depth imaging to compare BMO, anterior LC surface position (LC depth-LCD-) and PTT before and after oedema resolution...
April 8, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28389703/use-of-subconjunctival-injections-of-5-fluorouracil-to-rescue-and-prolong-intraocular-pressure-reduction-for-a-failing-ahmed-glaucoma-implant
#16
Kevin Kaplowitz, Sarah Khodadadeh, Samantha Wang, Daniel Lee, James C Tsai
PURPOSE: 5-Fluorouracil (5-FU) has been well described for a failing trabeculectomy bleb, but not for aqueous shunts. We sought to determine whether subconjunctival 5-FU prolongs the intraocular pressure (IOP) efficacy of Ahmed shunts. METHODS: We included all patients with Ahmed FP-7 implantation by one surgeon at Yale University. Patients with <3 months follow-up were excluded. Injections were done on a case-by-case basis, usually for IOP > 21 on >2 medications...
April 8, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28389702/cooperative-robot-assistant-for-vitreoretinal-microsurgery-development-of-the-rvrms-and-feasibility-studies-in-an-animal-model
#17
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/28389701/switching-therapy-from-bevacizumab-to-aflibercept-for-the-management-of-persistent-diabetic-macular-edema
#18
LETTER
Dan Călugăru, Mihai Călugăru
No abstract text is available yet for this article.
April 7, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28389700/the-predictability-of-ocriplasmin-treatment-effects-is-there-consensus-among-retinal-experts-results-from-the-export-study
#19
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...
April 7, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28382439/plasma-level-of-mir-93-is-associated-with-higher-risk-to-develop-type-2-diabetic-retinopathy
#20
Hui-Ling Zou, Yan Wang, Qiang Gang, Ying Zhang, Yu Sun
PURPOSE: MicroRNA-93 (miR-93) usually acts as a promoter of tumor progression in several human carcinomas. It has been found distinctly high in eyes with proliferative diabetic retinopathy (DR). The present study aims to investigate the role of plasma miR-93 in the progression of type 2 diabetic retinopathy (T2DR). METHODS: Our study subjects were made up of 140 type 2 diabetes mellitus (T2DM) patients who were assigned into DR (DR patients, n = 75), NDR (non-DR patients, n = 65), and control (healthy individuals, n = 127) groups...
April 5, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
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