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https://www.readbyqxmd.com/read/29156465/-pseudophacic-additive-lenses
#1
Fritz H Hengerer, Ina Conrad-Hengerer
Implantation of artificial intraocular lenses (IOL) after cataract removal today represents the standard of care in the field of anterior segment surgery. In refractive lens exchange cases the natural lens is replaced by an IOL to correct different types of refractive situations. In the majority of the operations the refractive result is satisfying with only few deviations from target refraction.But daily practice reveals some outliers from the intended corrections with the need for further refractive enhancements, respectively...
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29155757/dissection-of-human-retina-and-rpe-choroid-for-proteomic-analysis
#2
Thiago Cabral, Marcus A Toral, Gabriel Velez, James E DiCarlo, Anuradha M Gore, MaryAnn Mahajan, Stephen H Tsang, Alexander G Bassuk, Vinit B Mahajan
The human retina is composed of the sensory neuroretina and the underlying retinal pigmented epithelium (RPE), which is firmly complexed to the vascular choroid layer. Different regions of the retina are anatomically and molecularly distinct, facilitating unique functions and demonstrating differential susceptibility to disease. Proteomic analysis of each of these regions and layers can provide vital insights into the molecular process of many diseases, including Age-Related Macular Degeneration (AMD), diabetes mellitus, and glaucoma...
November 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29153456/association-of-mortality-with-ocular-diseases-and-visual-impairment-in-the-age-related-eye-disease-study-2-age-related-eye-disease-study-2-report-number-13
#3
Chandana Papudesu, Traci E Clemons, Elvira Agrón, Emily Y Chew
PURPOSE: To evaluate the association of mortality with visual acuity (VA) impairment, age-related macular degeneration (AMD), and cataract surgery. DESIGN: Cohort study. PARTICIPANTS: Participants with at least intermediate AMD enrolled in a randomized controlled clinical trial of lutein/zeaxanthin and/or omega-3 fatty acids, the Age-Related Eye Disease Study 2 (AREDS2), for treatment of AMD and cataract. METHODS: Baseline and annual eye examinations included best-corrected visual acuity (BCVA) assessments, slit-lamp examinations, and stereoscopic fundus photographs that were centrally graded for development of late AMD (central geographic atrophy or neovascular AMD) or pseudophakia...
November 16, 2017: Ophthalmology
https://www.readbyqxmd.com/read/29150930/photoautotrophic-production-of-macular-pigment-in-a-chlamydomonas-reinhardtii-strain-generated-by-using-dna-free-crispr-cas9-rnp-mediated-mutagenesis
#4
Kwangryul Baek, Jihyeon Yu, Jooyeon Jeong, Sang Jun Sim, Sangsu Bae, EonSeon Jin
Lutein and zeaxanthin are dietary carotenoids reported to be protective against age-related macular degeneration. Recently, the green alga Chlamydomonas reinhardtii has received attention as a photosynthetic cell factory, but the potential of this alga for carotenoid production has not yet been evaluated. In this study, we selected the C. reinhardtii CC-4349 strain as the best candidate among seven laboratory strains tested for carotenoid production. A knock-out mutant of the zeaxanthin epoxidase gene induced by preassembled DNA-free CRISPR-Cas9 ribonucleoproteins in the CC-4349 strain had a significantly higher zeaxanthin content (56-fold) and productivity (47-fold) than the wild type without the reduction in lutein level...
November 18, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29150864/seeing-is-believing-a-review-of-apheresis-therapy-in-the-treatment-of-ophthalmologic-disease
#5
Brendan C Graham, Jose S Pulido, Jeffrey L Winters
Apheresis procedures have a role in treatment of disparate diseases involving many different organ systems. Often the disease processes where apheresis plays a role in treatment are considered "orphan diseases"-relatively rare disease processes that lack specific pharmaceutical agents or established treatment protocols. Many of these disease processes can affect the eye with devastating results for the eyesight of these patients. The unique ability of apheresis to affect disease by modifying blood plasma and modulating disease-causing agents therein renders apheresis procedures valuable tools in the treatment of certain ophthalmologic diseases...
November 18, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/29150284/the-displacing-foods-of-modern-commerce-are-the-primary-and-proximate-cause-of-age-related-macular-degeneration-a-unifying-singular-hypothesis
#6
Chris A Knobbe, Marija Stojanoska
Age-related macular degeneration (AMD) is the leading cause of irreversible vision loss and blindness in developed nations. AMD is anticipated to affect 196 million people worldwide, by 2020. However, the etiology of this disease remains unknown. Aging, genetic, and environmental influences have generally been implicated as major etiologic factors. We sought to examine the hypothesis that consumption of the 'displacing foods of modern commerce,' which equate to processed, nutrient-deficient and potentially toxic foods, may be the primary and proximate cause of AMD...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29150277/the-vegf-paradox-does-diabetic-retinopathy-protect-from-age-related-macular-degeneration
#7
Mario Saravia, Luis Zeman, Mariana Ingolotti, Ariel Schlaen
Age-related macular disease (AMD) and diabetic retinopathy (DR) are prevalent diseases. Vascular endothelial growth factor (VEGF) related retinal neovascularization is a common feature in both. Consequently, both pathologies are treated with anti-VEGF therapy. We have previously reported a lower incidence of AMD in patients with DR compared to controls. The present study hypothesizes that DR in stages in which the concentration of intravitreal VEGF is increased, might have a protective role for both the onset and development of AMD...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29149824/gene-therapy-and-retinal-diseases
#8
Claudio Campa, Carla Enrica Gallenga, Elena Bolletta, Paolo Perri
Background Gene therapy represents the therapeutic delivery of nucleic acid polymers into a patient's cells with the aim of treating an underlying disease. Over the past 2 decades this new therapy has made substantial progress owing to better understanding of the pathobiologic basis of various diseases coupled with growth of gene transfer biotechnologies. The eye, in particular, represents a suitable target for such therapy due to the immune privilege provided by the blood-ocular barrier, the ability to directly visualize, access and locally treat the cells and the minimal amount of vector needed given the size of this organ...
November 16, 2017: Current Gene Therapy
https://www.readbyqxmd.com/read/29149368/dietary-guidance-for-lutein-consideration-for-intake-recommendations-is-scientifically-supported
#9
Katherine M Ranard, Sookyoung Jeon, Emily S Mohn, James C Griffiths, Elizabeth J Johnson, John W Erdman
Lutein, a yellow xanthophyll carotenoid found in egg yolks and many colorful fruits and vegetables, has gained public health interest for its putative role in visual performance and reducing the risk of age-related macular degeneration. The National Academies of Sciences, Engineering and Medicine's recommended Dietary Reference Intakes (DRIs) focus on preventing deficiency and toxicity, but there is a budding interest in establishing DRI-like guidelines for non-essential bioactives, like lutein, that promote optimal health and/or prevent chronic diseases...
November 17, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29148864/morphologic-criteria-of-lesion-activity-in-neovascular-age-related-macular-degeneration-a-consensus-article
#10
Stefania Miotto, Nicola Zemella, Elena Gusson, Giacomo Panozzo, Sandro Saviano, Giuseppe Scarpa, Giorgio Boschi, Stefano Piermarocchi
Intravitreal antivascular endothelial growth factor drugs represent the current standard of care for neovascular age-related macular degeneration (nAMD). Individualized treatment regimens aim at obtaining the same visual benefits of monthly injections with a reduced number of injections and follow-up visits, and, consequently, of treatment burden. The target of these strategies is to timely recognize lesion recurrence, even before visual deterioration. Early detection of lesion activity is critical to ensure that clinical outcomes are not compromised by inappropriate delays in treatment, but questions remain on how to effectively monitor the choroidal neovascularization (CNV) activity...
November 17, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29148527/a-novel-record-for-patients-with-neovascular-age-related-macular-degeneration-providing-information-and-a-personal-treatment-record
#11
M Shah, A M Haque, S M Downes
No abstract text is available yet for this article.
November 17, 2017: Eye
https://www.readbyqxmd.com/read/29148027/sequential-tissue-plasminogen-activator-pneumatic-displacement-and-anti-vegf-treatment-for-submacular-hemorrhage
#12
Handan Bardak, Yavuz Bardak, Yeşim Erçalık, Burak Erdem, Gökhan Arslan, Semrin Timlioglu
PURPOSE: To report the results of our sequential intravitreal (IV) tissue plasminogen activator (tPA), pneumatic displacement (PD), and IV anti-vascular endothelial growth factor (VEGF) treatment in patients with neovascular age-related macular degeneration (nAMD)-related submacular hemorrhage (SMH). METHODS: A total of 16 eyes of 16 patients with SMH of less than 15 days duration were included in this retrospective pilot study. The tPA was applied on the day of diagnosis, and PD was performed the following day...
November 4, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29147458/erratum-to-nutritional-and-lifestyle-interventions-for-age-related-macular-degeneration-a-review
#13
Ângela Carneiro, José Paulo Andrade
[This corrects the article DOI: 10.1155/2017/6469138.].
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29146756/prevalence-and-factors-associated-with-age-related-macular-degeneration-in-a-southwestern-island-population-of-japan-the-kumejima-study
#14
Ryo Obata, Yasuo Yanagi, Tatsuya Inoue, Miho Yasuda, Yuji Oshima, Shoichi Sawaguchi, Aiko Iwase, Makoto Araie
AIMS: To evaluate the prevalence of and factors associated with age-related macular degeneration (AMD) in a rural population of southwestern Japan. METHODS: This population-based cross-sectional study of all residents aged 40 years or older was conducted on the island of Kumejima, Okinawa, Japan. Of 4632 eligible residents, 3762 completed a comprehensive questionnaire and underwent ocular examination (participant rate, 81.2%). A non-mydriatic fundus photograph was used to grade AMD lesions according to the Wisconsin protocol...
November 16, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29146306/real-world-vision-in-age-related-macular-degeneration-patients-treated-with-single-anti-vegf-drug-type-for-1-year-in-the-iris-registry
#15
Prethy Rao, Flora Lum, Kevin Wood, Craig Salman, Bhavya Burugapalli, Rebecca Hall, Sukhminder Singh, David W Parke, George A Williams
PURPOSE: The purpose of this study is to compare real-world visual acuity (VA) in patients with neovascular age-related macular degeneration (nAMD) treated with a single anti-vascular endothelial growth factor (VEGF) drug monotherapy for 1 year from the American Academy of Ophthalmology (AAO) Intelligent Research in Sight (IRIS) Registry. DESIGN: Retrospective, nonrandomized, comparative study. PARTICIPANTS: IRIS Registry patients with nAMD who received bevacizumab, ranibizumab, or aflibercept only for 1 year between 2013-2016...
November 13, 2017: Ophthalmology
https://www.readbyqxmd.com/read/29145690/-visual-analysis-of-retinal-oct-data
#16
Martin Röhlig, Anselm Jünemann, Dagmar-Christiane Fischer, Ruby Kala Prakasam, Oliver Stachs, Heidrun Schumann
Optical coherence tomography (OCT) enables noninvasive high-resolution 3D imaging of the human retina, and thus plays a fundamental role in ophthalmology. Via OCT examination, even subtle retinal changes can be captured, which occur in very early stages of different diseases (e.g., glaucoma, diabetes mellitus, or age-related macular degeneration). Yet, analyzing the resulting data is challenging. Conventionally, OCT data are strongly aggregated via automated methods. While this reduces the amount of information to be analyzed, it also makes it difficult, if not impossible, to identify small and localized retinal changes...
November 16, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29145636/localization-and-functional-characterization-of-the-p-asn965ser-n965s-abca4-variant-in-mice-reveal-pathogenic-mechanisms-underlying-stargardt-macular-degeneration
#17
Laurie L Molday, Daniel Wahl, Marinko Sarunic, Robert S Molday
ABCA4 is a member of the superfamily of ATP-binding cassette (ABC) proteins that transports N-retinylidene-phosphatidylethanolamine (N-Ret-PE) across outer segment disc membranes thereby facilitating the removal of potentially toxic retinoid compounds from photoreceptor cells. Mutations in the gene encoding ABCA4 are responsible for Stargardt disease (STGD1), an autosomal recessive retinal degenerative disease that causes severe vision loss. To define the molecular basis for STGD1 associated with the p.Asn965Ser (N965S) mutation in the Walker A motif of nucleotide binding domain 1 (NBD1), we generated a p...
November 14, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29145549/generational-differences-in-the-5-year-incidence-of-age-related-macular-degeneration
#18
Karen J Cruickshanks, David M Nondahl, Lauren J Johnson, Dayna S Dalton, Mary E Fisher, Guan-Hua Huang, Barbara E Klein, Ronald Klein, Carla R Schubert
Importance: Whether a reported decline in the risk of developing age-related macular degeneration (AMD) continued for people born during the Baby Boom years (1946-1964) or later is unknown. These data are important to plan for ocular health care needs in the 21st century. Objectives: To determine whether the 5-year risk for AMD declined by generation and to identify factors that contributed to improvement in risk. Design, Setting, and Participants: Data came from the longitudinal cohort Beaver Dam Eye Study (March 1, 1988, through September 15, 1990, and March 1, 1993, through June 15, 1995) and the Beaver Dam Offspring Study (June 8, 2005, through August 4, 2008, and July 12, 2010, through March 21, 2013)...
November 16, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29143435/risk-factors-for-falls-among-older-aboriginal-and-torres-strait-islander-people-in-urban-and-regional-communities
#19
Caroline Lukaszyk, Kylie Radford, Kim Delbaere, Rebecca Ivers, Kris Rogers, Catherine Sherrington, Anne Tiedemann, Julieann Coombes, Gail Daylight, Brian Draper, Tony Broe
OBJECTIVE: To examine associations between fall risk factors identified previously in other populations and falls among Aboriginal people aged 60 years and older, living in New South Wales, Australia. METHODS: Interviews were conducted with older Aboriginal people in five urban and regional communities. Associations between past falls and 22 fall predictor variables were examined using linear and multiple regression analyses. RESULTS: Of the 336 participants, 80 people (24%) reported at least one fall in the past year, and 34 (10%) reported two or more falls...
November 15, 2017: Australasian Journal on Ageing
https://www.readbyqxmd.com/read/29142592/advances-in-age-related-macular-degeneration-understanding-and-therapy
#20
Joan W Miller, Saghar Bagheri, Demetrios G Vavvas
While the development of anti-vascular endothelial growth factor (anti-VEGF) as a therapy for neovascular age-related macular degeneration (AMD) was a great success, the pathologic processes underlying dry AMD that eventually leads to photoreceptor dysfunction, death, and vision loss remain elusive to date, with a lack of effective therapies and increasing prevalence of the disease. There is an overwhelming need to improve the classification system of AMD, to increase our understanding of cell death mechanisms involved in both neovascular and non-neovascular AMD, and to develop better biomarkers and clinical endpoints to eventually be able to identify better therapeutic targets-especially early in the disease process...
2017: US Ophthalmic Review
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