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Diabetic macula

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https://www.readbyqxmd.com/read/29336896/targeted-retinal-photocoagulation-for-diabetic-macular-edema-with-peripheral-retinal-nonperfusion-three-year-randomized-dave-trial
#1
David M Brown, William C Ou, Tien P Wong, Rosa Y Kim, Daniel E Croft, Charles C Wykoff
PURPOSE: To evaluate the effect of targeted retinal photocoagulation (TRP) on visual and anatomic outcomes and treatment burden in eyes with diabetic macular edema (DME). DESIGN: Phase I/II prospective, randomized, controlled clinical trial. PARTICIPANTS: Forty eyes of 29 patients with center-involved macular edema secondary to diabetes mellitus. METHODS: Eyes with center-involved DME and Early Treatment Diabetic Retinopathy Study (ETDRS) best-corrected visual acuity (BCVA) between 20/32 and 20/320 (Snellen equivalent) were randomized 1:1 to monotherapy with 0...
January 11, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29248329/vascular-endothelial-growth-factors-and-placenta-growth-factor-in-retinal-vasculopathies-current-research-and-future-perspectives
#2
Joana Mesquita, João Paulo Castro-de-Sousa, Sara Vaz-Pereira, Arminda Neves, Luís A Passarinha, Cândida T Tomaz
Vision loss due to disease or degeneration of the eye (retina, choroid, retinal veins, or macula) is a leading cause of blindness worldwide. In most cases, vision-threatening ocular diseases are accompanied by abnormal changes in the vasculature of the eye, especially the retina, and these conditions are collectively referred to as retinal vasculopathies. Impaired blood supply or hypoxia stimulates angiogenesis in the vascular and non-vascular sections of the eye, which results in neovascularization, leading to conditions such as diabetic retinopathy or age-related macular degeneration...
December 7, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/29233210/optical-coherence-tomography-indices-of-structural-retinal-pathology-in-schizophrenia
#3
Steven M Silverstein, Danielle Paterno, Lindsay Cherneski, Stuart Green
BACKGROUND: Prior optical coherence tomography (OCT) studies of schizophrenia have identified thinning of retinal layers. However, findings have varied across reports, and most studies have had serious methodological limitations. To address unresolved issues, we determined whether: (1) retinal thinning in schizophrenia occurs independently of comorbid medical conditions that affect the retina; (2) thinning is independent of antipsychotic medication dose; (3) optic nerve parameters are abnormal in schizophrenia; and (4) OCT indices are related to visual and cognitive impairments common in schizophrenia...
December 13, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/29210960/dislodgement-of-fluocinolone-acetonide-intravitreal-implant-into-the-infusion-cannula-during-vitrectomy-for-retinal-detachment
#4
Walter Andreatta, Ibrahim Elaraoud, Arijit Mitra
BACKGROUND/PURPOSE: To report a case of dislodgement of an Iluvien (fluocinolone acetonide) intravitreal implant into the infusion cannula during pars plana vitrectomy for retinal detachment. METHODS: The patient's surgery was video recorded, and the medical notes were reviewed retrospectively. RESULTS: A patient developed a macula off retinal detachment over 1 year after intravitreal injection of Iluvien for diabetic maculopathy. The patient underwent pars plana vitrectomy, removal of implant, and successful retinal reattachment...
November 23, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29207534/effects-of-the-macular-carotenoid-lutein-in-human-retinal-pigment-epithelial-cells
#5
Xiaoming Gong, Christian S Draper, Geoffrey S Allison, Raju Marisiddaiah, Lewis P Rubin
Retinal pigment epithelial (RPE) cells are central to retinal health and homoeostasis. Oxidative stress-induced damage to the RPE occurs as part of the pathogenesis of age-related macular degeneration and neovascular retinopathies (e.g., retinopathy of prematurity, diabetic retinopathy). The xanthophyll carotenoids, lutein and zeaxanthin, are selectively taken up by the RPE, preferentially accumulated in the human macula, and transferred to photoreceptors. These macular xanthophylls protect the macula (and the broader retina) via their antioxidant and photo-protective activities...
December 4, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29198552/increased-prevalence-of-proliferative-retinopathy-in-patients-with-acromegaly
#6
Tzu-En Wu, Harn-Shen Chen
BACKGROUND: This pilot study was carried to determine the prevalence of retinopathy, especially proliferative retinopathy, in patients with acromegaly. METHODS: We analyzed 43 acromegalic patients and 129 age- and gender-matched patients with type 2 diabetes. The retinopathy status was determined from the medical records based on the ophthalmologist consultations of patients with acromegaly. Color photographs of the macula- and disc-centered views were obtained at an angle of 45° with a fundus camera after pharmacologic-induced mydriasis in patients with type 2 diabetes...
November 30, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29176525/nonhereditary-idiopathic-foveal-retinoschisis-associated-with-new-onset-proliferative-diabetic-retinopathy
#7
Alec L Amram, Clint Kellogg, Ahmed Elkeeb
PURPOSE: To present a case of idiopathic foveal retinoschisis in a patient with new-onset proliferative diabetic retinopathy. METHODS: Single case report. RESULTS: A 64-year-old African American man with Type 2 diabetes mellitus presented for a routine annual diabetic eye examination with mildly blurred vision at near and distance in the right eye. Fluorescein angiography demonstrated optic nerve leakage consistent with neovascularization of the disk but no leakage on or around the macula in the right eye...
November 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29175970/macular-thickness-profile-and-diabetic-retinopathy-the-singapore-epidemiology-of-eye-diseases-study
#8
Wei Dai, Yih Chung Tham, Ning Cheung, Masayuki Yasuda, Nicholas Y Q Tan, Carol Y Cheung, Jie Jin Wang, Paul Mitchell, Charumathi Sabanayagam, Tien-Yin Wong, Ching-Yu Cheng
BACKGROUND: To evaluate retinal thickness profiles in eyes with and without diabetic retinopathy (DR) using spectral-domain optical coherence tomography (SD-OCT) among individuals with diabetes. METHODS: Participants were recruited from the Singapore Epidemiology of Eye Diseases Study, a population-based study among Chinese, Malays and Indians aged 40 years or older residing in Singapore. All participants underwent standardised systemic and ophthalmic examinations...
November 24, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29137019/optical-coherence-tomography-angiography-in-patients-with-diabetic-retinopathy-treated-with-anti-vegf-intravitreal-injections-case-report
#9
Katarzyna Michalska-Małecka, Anna Heinke Knudsen
PURPOSE: To present optical coherence tomography angiography (OCTA) features in patients with diabetic retinopathy (DR) at the baseline and in response to treatment with anti-VEGF intravitreal injections. To investigate the role of OCTA in management of patients with DR. METHODS: Retrospective case series showing primary outcomes of 3 patients with DR and diabetic macular edema. Patients were injected intravitreally a loading phase of 3 monthly 2.0 mg aflibercept, followed by 2 injections bimonthly (5 injections in total)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29126927/mechanisms-of-macular-edema-beyond-the-surface
#10
REVIEW
Alejandra Daruich, Alexandre Matet, Alexandre Moulin, Laura Kowalczuk, Michaël Nicolas, Alexandre Sellam, Pierre-Raphaël Rothschild, Samy Omri, Emmanuelle Gélizé, Laurent Jonet, Kimberley Delaunay, Yvonne De Kozak, Marianne Berdugo, Min Zhao, Patricia Crisanti, Francine Behar-Cohen
Macular edema consists of intra- or subretinal fluid accumulation in the macular region. It occurs during the course of numerous retinal disorders and can cause severe impairment of central vision. Major causes of macular edema include diabetes, branch and central retinal vein occlusion, choroidal neovascularization, posterior uveitis, postoperative inflammation and central serous chorioretinopathy. The healthy retina is maintained in a relatively dehydrated, transparent state compatible with optimal light transmission by multiple active and passive systems...
November 7, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/29111823/surgical-results-in-ocriplasmin-candidates-with-symptomatic-vitreomacular-traction-syndrome
#11
Dario H Vasquez, Juan C Altamirano, Angel Casaus, Rodrigo A Del Valle, Roberto Gonzalez, Alejandro Gonzalez-De La Rosa, Jose Navarro-Partida, Martin A Vasquez, Arturo Santos
PURPOSE: To report surgical outcomes in a series of cases with symptomatic vitreomacular traction that met MIVI-TRUST (Microplasmin for intravitreous injection-traction release without surgical treatment) criteria for ocriplasmin use who underwent primary 25-gauge vitrectomy. MATERIALS AND METHODS: A single-center retrospective chart review study was performed in patients who underwent primary 25-gauge vitrectomy for symptomatic vitreomacular traction (VTM) from January 2013 through January 2016...
November 7, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29091347/thickness-mapping-of-individual-retinal-layers-and-sectors-by-spectralis-sd-oct-in-autosomal-dominant-optic-atrophy
#12
Nihada Corajevic, Michael Larsen, Cecilia Rönnbäck
PURPOSE: To assess layer- and location-specific retinal thickness deficits in autosomal dominant optic atrophy (ADOA) using Spectralis SD-OCT. METHODS: This cross-sectional study included 41 ADOA patients with OPA1 exon 28 (2826delT) mutation [age, 8.6-83.5 years; best-corrected visual acuity (BCVA), 8-89 Early Treatment Diabetic Retinopathy Study (ETDRS) letters] and 55 mutation-free first-degree relatives as healthy controls (age, 8.9-68.7; BCVA, 80-99). Participants underwent routine examination and optical coherence tomography (OCT) with segmentation of the whole retina, inner retinal layers (IRL) and outer retinal layers (ORL)...
November 1, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29090852/macular-thinning-in-prediabetes-or-type-2-diabetes-without-diabetic-retinopathy-the-maastricht-study
#13
Eline E B De Clerck, Jan S A G Schouten, Tos T J M Berendschot, Fleur Goezinne, Pieter C Dagnelie, Nicolaas C Schaper, Miranda T Schram, Coen D A Stehouwer, Carroll A B Webers
PURPOSE: To assess macular thinning in individuals with prediabetes or type 2 diabetes without diabetic retinopathy (DM2 w/o DR) compared with individuals with normal glucose metabolism (NGM). METHODS: Using spectral domain optical coherence tomography (SD-OCT), we measured macular thickness in six subfields as defined by the Early Treatment Diabetic Retinopathy Study (ETDRS) in 1838 participants from The Maastricht Study, a population-based cohort study (mean age 59 ± 8 years, 49% men, 1087 NGM, 279 prediabetes, 472 DM2 w/o DR)...
November 1, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29080915/detailed-analysis-of-retinal-morphology-in-patients-with-diabetic-macular-edema-dme-randomized-to-ranibizumab-or-triamcinolone-treatment
#14
Sonja G Karst, Jan Lammer, Christoph Mitsch, Manuela Schober, Janhvi Mehta, Christoph Scholda, Michael Kundi, Katharina Kriechbaum, Ursula Schmidt-Erfurth
PURPOSE: Our purpose was to compare the impact in diabetic macula edema (DME) of two intravitreal drugs (0.5 mg ranibizumab vs. 8 mg triamcinolone) on changes in retinal morphology in spectral-domain optical coherence tomography (SD OCT) images, color fundus photography (CF) and fluorescein angiography (FA) images during a 1-year follow-up. METHODS: Post hoc analysis was conducted of morphologic characteristics in OCT, FA and CF images of eyes with a center involving DME that were included in a prospective double-masked randomized trial...
October 28, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29073912/automatic-non-proliferative-diabetic-retinopathy-screening-system-based-on-color-fundus-image
#15
Zhitao Xiao, Xinpeng Zhang, Lei Geng, Fang Zhang, Jun Wu, Jun Tong, Philip O Ogunbona, Chunyan Shan
BACKGROUND: Non-proliferative diabetic retinopathy is the early stage of diabetic retinopathy. Automatic detection of non-proliferative diabetic retinopathy is significant for clinical diagnosis, early screening and course progression of patients. METHODS: This paper introduces the design and implementation of an automatic system for screening non-proliferative diabetic retinopathy based on color fundus images. Firstly, the fundus structures, including blood vessels, optic disc and macula, are extracted and located, respectively...
October 26, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29063703/analysis-of-retinal-layer-thickness-in-diabetic-macular-oedema-treated-with-ranibizumab-or-triamcinolone
#16
Sonja G Prager, Jan Lammer, Christoph Mitsch, Julia Hafner, Berthold Pemp, Christoph Scholda, Michael Kundi, Ursula Schmidt-Erfurth, Katharina Kriechbaum
PURPOSE: To evaluate detailed changes in retinal layer thickness in spectral-domain optical coherence tomography (SD-OCT) images during a 1-year follow-up of patients treated for diabetic macula oedema (DME). METHODS: Post hoc analysis of retinal layer thickness changes applying the automated layer segmentation of SD-OCT images in eyes with DME that were randomly assigned to receive pro re nata (PRN) treatment with either 0.5 mg ranibizumab or 8 mg triamcinolone...
October 24, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29043092/twenty-seven-gauge-vitrectomy-for-combined-tractional-and-rhegmatogenous-retinal-detachment-involving-the-macula-associated-with-proliferative-diabetic-retinopathy
#17
Yousef J Cruz-Iñigo, María H Berrocal
BACKGROUND: To report our experience using 27-gauge pars plana vitrectomy (PPV) system for treating patients with combined tractional and rhegmatogenous retinal detachments (CTRRD) involving the macula associated with proliferative diabetic retinopathy (PDR). METHODS: Retrospective noncomparative interventional cases series of 12 patients with CTRRD associated with PDR who underwent 3-port, transconjunctival 27-gauge PPV by a single surgeon. Main outcome measures were change in Snellen best corrected visual acuity (BCVA) and occurrence of intra- and post-operative complications...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/29038011/macular-fluid-reduces-reproducibility-of-choroidal-thickness-measurements-on-enhanced-depth-optical-coherence-tomography
#18
Sophia S Wong, Vivian S Vuong, David Cunefare, Sina Farsiu, Ala Moshiri, Glenn Yiu
PURPOSE: To determine if different types of retinal fluid in the central macula affect the reproducibility of choroidal thickness (CT) measurements on enhanced depth imaging optical coherence tomography (EDI-OCT). DESIGN: Retrospective reliability analysis. METHODS: EDI-OCT images were obtained and the choroidal-scleral junction was analyzed through semiautomated segmentation. CT was measured at the fovea and averaged across the central 3-mm horizontal segment...
December 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29023169/associations-of-physical-activity-and-sedentary-behaviour-with-vision-threatening-diabetic-retinopathy-in-indonesian-population-with-type-2-diabetes-mellitus-jogjakarta-eye-diabetic-study-in-the-community-joged-com
#19
D P Dharmastuti, A N Agni, F Widyaputri, S Pawiroranu, Z M Sofro, F S Wardhana, S Haryanto, T W Widayanti, S Kotha, P Gupta, M B Sasongko
PURPOSE: To investigate the association of physical activity (PA) and sedentary behaviour with diabetic retinopathy (DR) in type 2 diabetes adults. METHODS: A community-based cross-sectional study of adults with type 2 diabetes. DR was assessed from disc- and macula-centred fundus photograph, and categorised into mild, moderate non-proliferative DR (NPDR), and Vision-Threatening DR (VTDR). Worse eye was used to determine the person's DR severity. PA was assessed using WHO Global Physical Activity Questionnaire (GPAQ)...
October 12, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29022954/agreement-on-diabetic-retinopathy-grading-in-fundus-photographs-by-allied-ophthalmic-personnel-as-compared-to-ophthalmologist-at-a-community-setting-in-nepal
#20
Raba Thapa, Sanyam Bajimaya, Eli Pradhan, Govinda Paudyal
INTRODUCTION: Diabetic retinopathy (DR) is the emerging cause of blindness in the developing world. Timely detection of DR could save vision from its avoidable blinding condition. OBJECTIVE: To assess the accuracy of DR grading in fundus photographs by the allied ophthalmic personnel (AOP) as compared to ophthalmologist at a community setting in Nepal. MATERIALS AND METHODS: Fundus photographs of known diabetes subjects attending for DR screening were graded by two groups of AOP and ophthalmologist...
January 2017: Nepalese Journal of Ophthalmology
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