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age related maculopathy

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https://www.readbyqxmd.com/read/28195603/classification-of-exudative-age-related-macular-degeneration-with-pachyvessels-on-en-face-swept-source-optical-coherence-tomography
#1
Danny Siu-Chun Ng, Malini Bakthavatsalam, Frank Hiu-Ping Lai, Carol Yim-Lui Cheung, Gemmy Chu-Ming Cheung, Fang Yao Tang, Chi Wai Tsang, Timothy Yuk-Yau Lai, Tien Yin Wong, Mårten Erik Brelén
Purpose: The purpose of this study was to classify exudative maculopathy by the presence of pachyvessels on en face swept-source optical coherence tomography (SSOCT). Methods: Consecutive patients with signs of exudative maculopathy underwent SSOCT, fluorescein and indocyanine green angiography (ICGA), ultra-widefield fundus color photography, and autofluorescence examinations. Images were analyzed in a masked fashion by two sets of four examiners in different sessions: (1) the presence of pachyvessels in en face OCT and (2) features of exudative maculopathy in conventional imaging modalities...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28150038/choroidal-structures-in-polypoidal-choroidal-vasculopathy-neovascular-age-related-maculopathy-and-healthy-eyes-determined-by-binarization-of-swept-source-optical-coherence-tomographic-images
#2
Malini Bakthavatsalam, Danny Siu-Chun Ng, Frank Hiu-Ping Lai, Fang Yao Tang, Mårten Erik Brelén, Chi Wai Tsang, Timothy Yuk-Yau Lai, Carol Yim-Lui Cheung
PURPOSE: To evaluate quantitatively the choroidal vascularity in polypoidal choroidal vasculopathy (PCV) and neovascular age-related macular degeneration (AMD) patients compared to healthy controls. METHODS: All eyes underwent swept source optical coherence tomography (OCT), and choroidal images were binarized into blood vessels lumen and stroma. The choroidal vascular index (CVI) was defined as the ratio of luminal area (LA) over total choroidal area of the subfoveal region with a width of 1500 μm...
February 1, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28149791/population-based-survey-of-prevalence-causes-and-risk-factors-for-blindness-and-visual-impairment-in-an-aging-chinese-metropolitan-population
#3
Jian-Yan Hu, Liang Yan, Yong-Dong Chen, Xin-Hua Du, Ting-Ting Li, De-An Liu, Dong-Hong Xu, Yi-Min Huang, Qiang Wu
AIM: To assess the prevalence, causes, and risk factors for blindness and visual impairment among elderly (≥60 years of age) Chinese people in a metropolitan area of Shanghai, China. METHODS: Random cluster sampling was conducted to identify participants among residents ≥60 years of age living in the Xietu Block, Xuhui District, Shanghai, China. Presenting visual acuity (PVA) and best-corrected visual acuity (BCVA) were checked by the Early Treatment Diabetic Retinopathy Study (ETDRS) visual chart...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28128407/next-generation-sequencing-analysis-of-the-arms2-gene-in-turkish-exudative-age-related-macular-degeneration-patients
#4
H Bardak, M Gunay, Y Ercalik, Y Bardak, H Ozbas, O Bagci
Age-related macular degeneration (AMD) is the leading cause of blindness in developed countries. It is a complex disease with both genetic and environmental risk factors. To improve clinical management of this condition, it is important to develop risk assessment and prevention strategies for environmental influences, and establish a more effective treatment approach. The aim of the present study was to investigate age-related maculopathy susceptibility protein 2 (ARMS2) gene sequences among Turkish patients with exudative AMD...
January 23, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28108569/five-year-progression-of-unilateral-age-related-macular-degeneration-to-bilateral-involvement-the-three-continent-amd-consortium-report
#5
Nichole Joachim, Johanna Maria Colijn, Annette Kifley, Kristine E Lee, Gabriëlle H S Buitendijk, Barbara E K Klein, Chelsea E Myers, Stacy M Meuer, Ava G Tan, Elizabeth G Holliday, John Attia, Gerald Liew, Sudha K Iyengar, Paulus T V M de Jong, Albert Hofman, Johannes R Vingerling, Paul Mitchell, Caroline C W Klaver, Ronald Klein, Jie Jin Wang
PURPOSE: To assess the 5-year progression from unilateral to bilateral age-related macular degeneration (AMD) and associated risk factors. DESIGN: Pooled data analyses of three prospective population-based cohorts, the Blue Mountains Eye Study, Beaver Dam Eye Study and Rotterdam Study. METHODS: Retinal photography and interview with comprehensive questionnaires were conducted at each visit of three studies. AMD was assessed following the modified Wisconsin AMD grading protocol...
January 20, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28101043/effects-of-disseminated-mycobacterial-infection-on-age-related-macular-degeneration
#6
Geoffrey Collett, Natalia Lopez, Pedro F Lopez
Our patient, in the 7th decade of life, presented with worsening blurry vision over 3 weeks. The pertinent history included nonexudative age-related macular degeneration, recent pulmonary mycobacterial infection, and autoimmune pancreatitis. The patient had decreased visual acuity in both eyes; the remaining findings of our examination were relatively benign. The diagnosis of bilateral exudative age-related macular degeneration was aided by ocular imaging. Not only were exudative changes confirmed, but one modality suggested an underlying occult choroiditis, which presumably fueled a local inflammatory drive leading to evolution of the disease...
September 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28095100/association-of-combined-cigarette-smoking-and-arms2-loc387715-a69s-polymorphisms-with-age-related-macular-degeneration-a-meta-analysis
#7
Mohammad Hossein Jabbarpoor Bonyadi, Mehdi Yaseri, Mortaza Bonyadi, Masoud Soheilian, Homayoun Nikkhah
PURPOSE: The age-related maculopathy susceptibility2 (ARMS2)/LOC387715 A69S (rs10490924) polymorphism and cigarette smoking have been shown to have significant association with AMD. In this meta-analysis we used the results of available association studies of combined ARMS2/LOC387715 genotypes and cigarette smoking with AMD to estimate the possible synergistic or multiplicative effects. METHODS: Heterogeneity of studies was evaluated using the Cochran Q-test and the I-square index...
January 17, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28029444/associations-between-serum-vitamin-d-and-genetic-variants-in-vitamin-d-pathways-and-age-related-macular-degeneration-in-the-european-eye-study
#8
Gareth J McKay, Ian S Young, Ann McGinty, Graham C G Bentham, Usha Chakravarthy, Mati Rahu, Johan Seland, Gisele Soubrane, Laura Tomazzoli, Fotis Topouzis, Jesus Vioque, Paulus T V M de Jong, Astrid E Fletcher
PURPOSE: To study associations between early and late age-related macular degeneration (AMD) and neovascular AMD (nvAMD) with serum 25-hydroxy vitamin D (25(OH)D) and genetic variants in vitamin D pathway genes. DESIGN: Population-based, cross-sectional study in a random sample aged 65 years or older from 7 European countries. PARTICIPANTS: Of 4753 participants, 4496 (2028 men and 2468 women), with a mean age of 73 years, provided a blood sample; 2137 had no signs of AMD, 2209 had early AMD, and 150 had late AMD, of whom 104 had nvAMD...
October 28, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27928964/hot-topics-in-pharmacogenetics-of-age-related-macular-degeneration
#9
Stephen G Schwartz, Milam A Brantley, Jaclyn L Kovach, Andrzej Grzybowski
Age-related macular degeneration (AMD) is a leading cause of irreversible visual loss and is primarily treated with nutritional supplementation as well as with anti-vascular endothelial growth factor (VEGF) agents for certain patients with neovascular disease. AMD is a complex disease with both genetic and environmental risk factors. In addition, treatment outcomes from nutritional supplementation and anti-VEGF agents vary considerably. Therefore, it is reasonable to suspect that there may be pharmacogenetic influences on these treatments...
December 8, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27893622/image-quality-and-artifacts-on-optical-coherence-tomography-angiography-comparison-of-pathologic-and-paired-fellow-eyes-in-65-patients-with-unilateral-choroidal-melanoma-treated-with-plaque-radiotherapy
#10
Emil A T Say, Sandor Ferenczy, George N Magrath, Wasim A Samara, Chloe T L Khoo, Carol L Shields
PURPOSE: To study image quality and artifacts seen on optical coherence tomography angiography (OCTA). METHODS: Sixty-five consecutive patients with unilateral posterior uveal melanoma treated with plaque radiotherapy had OCTA during follow-up. Optical coherence tomography angiography was performed on both the affected and fellow eye. Signal strength and frequency of image artifacts on en face images were compared between affected and fellow eyes. RESULTS: A total of 130 eyes in 65 patients were analyzed, the mean age at time of OCTA was 55 years (median: 56, range: 12-81 years), and 39 (39/65, 60%) were female...
November 23, 2016: Retina
https://www.readbyqxmd.com/read/27866147/benefits-potential-harms-and-optimal-use-of-nutritional-supplementation-for-preventing-progression-of-age-related-macular-degeneration
#11
REVIEW
Carlos H Rojas-Fernandez, Kevin Tyber
OBJECTIVE: To briefly review age-related macular degeneration (AMD), the main findings from the Age Related Eye Disease Study (AREDS) report number 8 on the use of nutritional supplements for AMD, and to focus on data suggesting that supplement use should be guided using genetic testing of AMD risk genes. DATA SOURCES: A literature search (January 2001 through October 26, 2016) was conducted using MEDLINE and the following MeSH terms: Antioxidants/therapeutic use, Genotype, Macular Degeneration/drug therapy, Macular degeneration/genetics, Dietary Supplements, Proteins/genetics, and Zinc Compounds/therapeutic use Bibliographies of publications identified were also reviewed...
November 19, 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/27847643/novel-perspectives-on-swept-source-optical-coherence-tomography
#12
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/27825655/mediterranean-diet-score-and-its-association-with-age-related-macular-degeneration-the-european-eye-study
#13
Ruth E Hogg, Jayne V Woodside, Alanna McGrath, Ian S Young, Jesus L Vioque, Usha Chakravarthy, Paulus T de Jong, Mati Rahu, Johan Seland, Gisele Soubrane, Laura Tomazzoli, Fotis Topouzis, Astrid E Fletcher
PURPOSE: To examine associations between adherence to a Mediterranean diet and prevalence of age-related macular degeneration (AMD) in countries ranging from Southern to Northern Europe. DESIGN: Cross-sectional, population-based epidemiologic study. PARTICIPANTS: Of 5060 randomly sampled people aged 65 years or older from 7 study centers across Europe (Norway, Estonia, United Kingdom, France, Italy, Greece, and Spain), full dietary data were available in 4753...
January 2017: Ophthalmology
https://www.readbyqxmd.com/read/27771146/heritability-of-choroidal-thickness-in-the-amish
#14
Rebecca J Sardell, Muneeswar G Nittala, Larry D Adams, Reneé A Laux, Jessica N Cooke Bailey, Denise Fuzzell, Sarada Fuzzell, Lori Reinhart-Mercer, Laura J Caywood, Violet Horst, Tine Mackay, Debbie Dana, SriniVas R Sadda, William K Scott, Dwight Stambolian, Jonathan L Haines, Margaret A Pericak-Vance
PURPOSE: To evaluate the heritability of choroidal thickness and its relationship to age-related macular degeneration (AMD). DESIGN: Cohort study. PARTICIPANTS: Six hundred eighty-nine individuals from Amish families with early or intermediate AMD. METHODS: Ocular coherence tomography was used to quantify choroidal thickness, and fundus photography was used to classify eyes into categories using a modified Clinical Age-Related Maculopathy Staging (CARMS) system...
December 2016: Ophthalmology
https://www.readbyqxmd.com/read/27769330/discrepancies-in-physician-patient-agreement-in-reporting-ocular-history
#15
Marko Popovic, Varun Chaudhary, Bryon R McKay, Prima Moinul, Mohammad Mohaghagh, Anne Beattie, Mark Fava, Dalia Eino, Keith Mann, Lawrence Kobetz, Joshua Barbosa
OBJECTIVE: The purpose of this study was to investigate the extent of agreement between physicians and patients in reporting ocular history and to determine whether there are any predictive factors for physician-patient consensus. DESIGN: Retrospective chart review. PARTICIPANTS: Between June and September 2014, adult patients undergoing cataract surgery were recruited for the study. METHODS: Before surgery, patient demographics and self-reported ocular history were extracted from a prospectively collected database...
October 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/27605007/proteomics-based-identification-and-validation-of-novel-plasma-biomarkers-phospholipid-transfer-protein-and-mannan-binding-lectin-serine-protease-1-in-age-related-macular-degeneration
#16
Hye-Jung Kim, Seong Joon Ahn, Se Joon Woo, Hye Kyoung Hong, Eui Jin Suh, Jeeyun Ahn, Ji Hyun Park, Na-Kyung Ryoo, Ji Eun Lee, Ki Woong Kim, Kyu Hyung Park, Cheolju Lee
Age-related macular degeneration (AMD) is a major cause of severe, progressive visual loss among the elderly. There are currently no established serological markers for the diagnosis of AMD. In this study, we carried out a large-scale quantitative proteomics analysis to identify plasma proteins that could serve as potential AMD biomarkers. We found that the plasma levels of phospholipid transfer protein (PLTP) and mannan-binding lectin serine protease (MASP)-1 were increased in AMD patients relative to controls...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27601870/clinical-presentation-and-visual-status-of-retinitis-pigmentosa-patients-a-multicenter-study-in-southwestern-nigeria
#17
Oluwatoyin Helen Onakpoya, Caroline Olufunlayo Adeoti, Tunji Sunday Oluleye, Iyiade Adeseye Ajayi, Timothy Majengbasan, Olayemi Kolawole Olorundare
BACKGROUND: To review the visual status and clinical presentation of patients with retinitis pigmentosa (RP). METHODOLOGY: Multicenter, retrospective, and analytical review was conducted of the visual status and clinical characteristics of patients with RP at first presentation from January 2007 to December 2011. Main outcome measure was the World Health Organization's visual status classification in relation to sex and age at presentation. Data analysis by SPSS (version 15) and statistical significance was assumed at P<0...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27596850/investigation-of-precursor-lesions-of-polypoidal-choroidal-vasculopathy-using-contralateral-eye-findings
#18
Se Woong Kang, Hoyoung Lee, Kunho Bae, Joo Young Shin, Sang Jin Kim, Jong Min Kim
PURPOSE: The purpose was to investigate precursor lesions of polypoidal choroidal vasculopathy (PCV). METHODS: This cross-sectional study involved 276 unaffected contralateral eyes from unilateral PCV patients (Group 1), unilateral typical exudative age-related macular degeneration (AMD) patients (Group 2), and unilateral epiretinal membrane patients (Group 3) as age-matched controls. Grayish-yellow sub-retinal or sub-retinal-pigment-epithelial deposits larger than 63 μm in size with irregular but discrete margins were defined as drusen-like deposits (DLDs)...
February 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27560847/atypical-presentation-of-chorioretinal-folds-related-maculopathy
#19
Federico Corvi, Vittorio Capuano, Lucia Benatti, Francesco Bandello, Eric Souied, Giuseppe Querques
PURPOSE: Chorioretinal folds are undulations that anatomically include the inner choroid, Bruch's membrane, and the retinal pigment epithelium, and secondarily affect the overlying neurosensory retina. We analyzed clinical data and management of six patients diagnosed with chorioretinal folds-related maculopathy with atypical presentations. CASE REPORT: The mean age of the six patients (five women) was 77 years. Best-corrected visual acuity (BCVA) ranged between 20/200 and 20/80...
October 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27548038/retinal-vein-occlusion-in-a-patient-with-maternally-inherited-diabetes-and-deafness
#20
Christian J Sanfilippo, Pradeep Prasad, David Sarraf
PURPOSE: To report a case of maternally inherited diabetes and deafness complicated by branch retinal vein occlusion and cystoid macular edema. METHODS: Retrospective case report. Multimodal imaging including spectral domain optical coherence tomography, en face optical coherence tomography, and fundus autofluorescence was preformed, and the findings are presented. FINDINGS: A 58-year-old female with a history of diabetes mellitus, hearing loss, and a previous diagnosis of age-related macular degeneration presented with decreased vision in the right eye...
January 2017: Retinal Cases & Brief Reports
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