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Blocked Tear Duct
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A blocked tear duct is a partial or complete blockage in the pathway that carries tears from the surface of the eye into the nose. Alternative Names: Dacryostenosis; Blocked nasolacrimal duct; Nasolacrimal duct obstruction (NLDO).
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About 1 in 20 babies are born with a block in one or both of their tear ducts. About 90% of children with congenital blocked tear ducts get better spontaneously without treatment by the age of 12 months
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Many cases cannot be prevented. Proper treatment of nasal infections and conjunctivitis may reduce the risk of having a blocked tear duct. Using protective eyewear may help prevent a blockage caused by injury.
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The Association For Research in Vision and Ophthalmology (ARVO)
Expert PPTs
- Ioan Magyar
Introduction to Clinical Pharmacology
PPT Version | PDF Version - Georgios Xydis
Renewable Energy and Research
PPT Version | PDF Version - NAGENDRA SASTRY YARLA
Pharmacology
PPT Version | PDF Version - Mohammad Najafi
Introductory For Bioinformatics
PPT Version | PDF Version - Elisabetta Tosti
Ion currents and molecules involved in oocyte maturation, fertilization and embryo development
PPT Version | PDF Version
Speaker PPTs
- Dalia Sekmokiene
Antimicrobial, antioxidative, phytochemical and functional characteristics of the extracts of some plants and spices seeking to adapt them as a potential source of biologically active substances for the safety of dairy products
PPT Version | PDF Version - Abel Tablada de la Torre
Productive facades: Potential energy and food harvesting in singaporeâs residential buildings
PPT Version | PDF Version - Alexandra Emelyanova
Released-active antibodies are innovative products for the effective management of severe respiratory viral infections
PPT Version | PDF Version - Dong-Kyu Kim
Cross-Talk between Human Mast Cells and Epithelial Cells by IgE-mediated Periostin Production in Eosinophilic Nasal Polyps
PPT Version | PDF Version - Yusuf L Henuk
Contribution of crops production for food security in Indonesia
PPT Version | PDF Version - Hedef Dhafir El-Yassin
The Immune Response of Prolactin and the Induction of Tumor Necrosis Factor (TNF) in Iraqi Patients Infected with Hepatitis C Virus
PPT Version | PDF Version - Navinchandra G. Ashar
PDF Version - Soha S M Mostafa
Phycoremediation of olive mill wastewater (OMW) using cyanobacteria for sustainable bio fertilizer and biofuel production
PPT Version | PDF Version - Chang-Hung Chou
Diversified natural products in Rhododendron formosanum reveal allelochemical and pharmaceutical properties
PPT Version | PDF Version - Yi-Cheng Hu
Detection of a negative correlation between prescription of Chinese herbal products containing coumestrol, genistein or daidzein and risk of subsequent endometrial cancer among tamoxifentreated female breast cancer survivors in Taiwan between 1998 and 2008: A population-based study
PPT Version | PDF Version - Brian Littlechild
The management of violence and aggression against staff in mental health work: responding effectively through a co-production approach to issues for service users, carers, staff and agencies
PPT Version | PDF Version - Carsten Worsoe
The value of the âsimulated studyâ as a tool to predict actual leachables in parenteral drug products
PPT Version | PDF Version - Maik W Jornitz
The review of fl exible production platforms for pharma/biopharmaceutical processing
PPT Version | PDF Version - Diane Paskiet
Qualifi cation of extractables & leachables from container closure systems in drug products- Introduction to the Product Quality Institute (PQRI) recommendations
PPT Version | PDF Version - Neervalur V Raghavan
Systematic approach to development of aqueous drug formulation and drug device combination injectable products and challenges
PPT Version | PDF Version - Jianfeng Hong
Extractable and leachable studies of parenteral infusion and transfusion products
PPT Version | PDF Version - Heidi Schalchli
Natural products of Anthracophyllum discolor: Ligninolytic enzymes and antifungal volatile compounds
PPT Version | PDF Version - Rune Thorbjørn Nordvang
A Rational Approach to Identification of Wild Type Trans-sialidases for the Production of Human Milk Oligosaccharides
PPT Version | PDF Version - Ali Shaeri
Ali Shaeri-NIOEC-Iran-Simulation-the-Continuous-Catalytic-Reforming-(Octanizer)-Unit-of-Arak-Refinery-Gasoline-Production-Complex-with-PETROSIM-Software
PPT Version | PDF Version - Hazel Gorham
Challenges in demonstrating biosimilarity and interchangeability of biosimilar products
PPT Version | PDF Version - Uyoh Edak Aniedi
PROCESS OPTIMIZATION OF BIOETHANOL PRODUCTION FROM PEELS OF CASSAVA CULTIVARS USING DIFFERENT MICROBIAL INNOCULANTS
PPT Version | PDF Version - Ceyla Özgür
Ceyla-Ãzgür-Ãukurova-University-Turkey-Effects-of-SCR-System-on-NOx-Reductıon-in-Heavy-Duty-Dıesel-Engıne-Fuelled-wıth-Diesel-and-Alcohol-Blends
PPT Version | PDF Version - Kadir Genc
Kadir-Genc-Valeo-Automotive-Systems-Industry-Turkey-Development-of-stamping-technology-in-automotive-and-production-speed-calculations
PPT Version | PDF Version - Eran Maman
PDF Version - Khalil Khanafer
Khalil-Khanafer-Australian-College-of-Kuwait-Computational-study-of-hemodynamic-effect-of-false-lumen-partial-thrombosis-of-type-b-aortic-dissection-for-various-tear-size-and-configuration
PPT Version | PDF Version - Yuan Ma
Salt sales survey: a simplified, cost-effective method to evaluate population salt reduction programmes-a cluster randomised trial
PPT Version | PDF Version - Yosef Yarden
Classically, the 3âuntranslated region (3âUTR) is that region in eukaryotic protein-coding genes from the translation termination codon to the polyA signal. It is transcribed as an integral part of the mRNA encoded by the gene. However, there exists another kind of RNA, which consists of the 3âUTR alone, without all other elements in mRNA such as 5âUTR and coding region. The importance of independent 3âUTR RNA (referred as I3âUTR) was prompted by results of artificially introducing such RNA species into malignant mammalian cells. Since 1991, we found that the middle part of the 3âUTR of the human nuclear factor for interleukin-6 (NF-IL6) or C/EBP gene exerted tumor suppression effect in vivo. Our subsequent studies showed that transfection of C/EBP 3âUTR led to down-regulation of several genes favorable for malignancy and to up-regulation of some genes favorable for phenotypic reversion. Also, it was shown that the sequences near the termini of the C/EBP 3âUTR were important for its tumor suppression activity. Then, the C/EBP 3âUTR was found to directly inhibit the phosphorylation activity of protein kinase CPKC in SMMC-7721, a hepatocarcinoma cell line. Recently, an AU-rich region in the C/EBP 3âUTR was found also to be responsible for its tumor suppression. Recently we have also found evidence that the independent C/EBP 3âUTR RNA is actually exists in human tissues, such as fetal liver and heart, pregnant uterus, senescent fibroblasts etc. Through 1990âs to 2000âs, world scientists found several 3âUTR RNAs that functioned as artificial independent RNAs in cancer cells and resulted in tumor suppression. Interestingly, majority of genes for these RNAs have promoter-like structures in their 3âUTR regions, although the existence of their transcribed products as independent 3âUTR RNAs is still to be confirmed. Our studies indicate that the independent 3âUTR RNA is a novel non-coding RNA species whose function should be the regulation not of the expression of their original mRNA, but of some essential life activities of the cell as a whole.
PPT Version | PDF Version - Alabadan B A
Production of bio-diesel from used groundnut oil from bosso market, Minna, Niger state, Nigeria
PPT Version | PDF Version - Hyeun-Jong Bae
Onion waste recycling to produce the value added by-products
PPT Version | PDF Version - Muscolo Adele
Using agriculture waste and/or sulfur obtained from the residues of the desulfurization of natural gas and oil as fertilizer for productive purposes
PPT Version | PDF Version - Kazuo Yano
Regulatory approval for autologous human cells and tissue products in the United States, the European Union, and Japan
PPT Version | PDF Version - Rajaram Samant
GainmoreTM M: An oral supplementation in men with Androgenic Alopecia for reduction in hair loss & new hair growth
PPT Version | PDF Version - Namita Kumari
Heme Inhibits HIV-1 Through the Induction of Heme Oxygenase 1, Ferroportin, IKBα and p21
PPT Version | PDF Version - Ali Parlar
The exogenous administration of CB2 specific agonist, GW405833, inhibits the inflammatory response by reducing cytokine production and oxidative stress
PPT Version | PDF Version - Paulo R Z Antas
Human neonates display altered ex vivo monokine production related to healthy adults
PPT Version | PDF Version - Raoufa A I Abdel Rahman
Production of rosmarinic acid from in-vitro culture of Basil (Ocimum basilicum L) and lemon balm (Melissa officinalis L)
PPT Version | PDF Version - Long Liu
Systems metabolic engineering of Bacillus subtilis for efficient N-acetyl glucosamine production
PPT Version | PDF Version - Hojae Shim
Cost reduction for biodiesel production from distillery/domestic mixed wastewater by Rhodosporidium toruloide
PPT Version | PDF Version - Andrew Imogu
External fronto- ethmoidectomy in management of sinus disease; Techniques for maintaining fronto-nasal duct patency
PPT Version | PDF Version - Tareq M Al-Ayed
Minimal exhaled nitric oxide production in the lower respiratory tract of healthy children aged 2-7 years
PPT Version | PDF Version - J I R Udotong
Toxicity of heavy metals and effect of their concentrations on biological productivity and diversity in freshwater ecosystem
PPT Version | PDF Version - C. Diaz
New Antibacterial Agents against Gram-negative Pathogens from a Fundacion MEDINAâs Microbial Natural Products Collection Screening
PPT Version | PDF Version - Ezinna Ezinne Enwereji
Emphasizing Reproductive Health and HIV/AIDS prevention to Youths from the Religious Perspective
PPT Version | PDF Version - Barbara C Wallace
E-HEALTH Interventions Using Avatar Videos to Address Health Disparities: Results of Online Survey Evaluations Conducted by the Research Group on Disparities in Health
PPT Version | PDF Version - Szabolcs Peter
Vitamin E - Emerging benefits
PPT Version | PDF Version - Daniel Raederstorff
Nutritional solutions to counteract impact of air pollution
PPT Version | PDF Version - John Francis Oketcho
Effectiveness of community based learning networks (CBLNs) in provision of intergraded HIV/AIDS and reproductive health services to cross boarder mobile population case study of Busia hot spot
PPT Version | PDF Version - Thomas J Franz
Assessing the BA and BE of Topical Dermatologic Drug Products with Multiple Surrogate Methods
PPT Version | PDF Version - John S Pixley
Generation of long-term human pancreatic islet cell activity in vivo by induction of immune tolerance to human stem cells
PPT Version | PDF Version - Luljeta Ahmetaj
The role of Specific Immunotherapy in reduction of viral infections in asthmatic patients
PPT Version | PDF Version - Satoshi Ishii
Photo-excited hot electrons from conductive films forming heterojunctions
PPT Version | PDF Version - Mitchell Lerner
Scalable Production of Highly Sensitive Nanosensors Based on Graphene Functionalized with a Designed G Protein-Coupled Receptor
PPT Version | PDF Version - Cigdem Konak Goktepe
Production of oat boza powder enriched with whey powder
PPT Version | PDF Version - Cemalettin Saricoban
The effects of various milk bi products on microbial properties of beef patties
PPT Version | PDF Version - Nneka Uchegbu
Impact of Natural Antioxidant on Reduction of Oxidative Stress in Hyperglycemic Rat Fed Germinated Pigeon Pea Diet
PPT Version | PDF Version - Almagul Kushugulova
Research and development new symbiotic product and its clinical effect
PPT Version | PDF Version - Masahiro Nagao
Proton-Conducting Tin Phosphates for Electrochemical Applications Operating at Intermediate Temperatures
PPT Version | PDF Version - Kathleen Hefferon
Plant virus expression vectors for biopharmaceutical production
PPT Version | PDF Version - Ravindra Singh
Yield and water productivity of Cumin as influenced by irrigation techniques and land configuration
PPT Version | PDF Version - Dilip Mukherjee
Epidermal growth factor (EGF) promotes ovarian steroidogenesis and epidermal growth factor receptor (EGFR) signaling is required for gonadotropin-induced steroid production in common carp Cyprinus carpio
PPT Version | PDF Version - Yibin Xu
Thermal conductivity of amorphous Si and Ge thin films
PPT Version | PDF Version - K K Baruah
Augmenting reproductive efficiencies in Mithun through biotechnological intervention
PPT Version | PDF Version - Zahariah Ismail
The benefit of palm tocotrienols in personal care products
PPT Version | PDF Version - Mariam Aslam
Herbal medicines: Product licence to traditional herbal registration in the UK
PPT Version | PDF Version - Lois J Arend
Novel roles for PKD genes in the reproductive tract and in stromal cells of the kidney
PPT Version | PDF Version - Eva Skrivanova
Alternatives to in-feed antibiotics and their impact on the safety of animal products
PPT Version | PDF Version - Mona Mohammed
Key considerations of orphan products designation and registration regulation
PPT Version | PDF Version - Cynthia Stuhlmiller
Harm reduction, new recovery and addiction therapy
PPT Version | PDF Version - Hein A. Timmerman
Ensuring safe food production by providing guidance as an authority on hygienic engineering and design for food manufactured in or imported into Europe
PPT Version | PDF Version - Rama Prasad J
Sustainable strategies for improving feed and fodder production and utilization for enhanced milk and meat production from livestock in India
PPT Version | PDF Version - Rafael Correa Rocha
Immune mechanisms implicated in the tolerance induction to food allergens in children
PPT Version | PDF Version - P Krishnamoorthy
Relationship of mineral and hormone profile of bovines with reproductive disorders in organized dairy farms in Karnataka and Tamil Nadu
PPT Version | PDF Version - Hanshik Chung
Basic designing of mechanical vapor compressor in multi-effect distillation for fresh water production
PPT Version | PDF Version - Hasan Cebi
Food, agriculture and livestock productivity in Manisa, Turkey: The profile study
PPT Version | PDF Version - X. Gomez
Feasibility of biofuels production: combining H2-CH4 and lipid production from food wastes using mixed anaerobic microflora
PPT Version | PDF Version - Kanchana Usuwanthim
An ethyl acetate fraction of moringa oleifera lam. inhibhits human macrophage cytokine production induced by cigarette smoke
PPT Version | PDF Version - Suwat Soonglerdsongpha
Production and application of lipopeptide biosurfactant for dispersing oil spill in seawater
PPT Version | PDF Version - John Arnold D Souza
Low levels of pesticides disrupt the pituitary- Gonadal hormone functions and reproductive functions in male rodent model
PPT Version | PDF Version - Gaylen Uhlich
Production and regulation of functional amyloid curli fimbriae by Shiga toxin-producing Escherichia coli.
PPT Version | PDF Version - Harun Rasit Uysal
European and Turkish dairy sector: Traditional dairy products at a glance
PPT Version | PDF Version - Elfahmi
The role of p19 gene in the transformation efficiency of amorphadiene synthase in Artemisia annua for artemisinin production
PPT Version | PDF Version - Eman H.Abdel-Rahman
Induction of protective cellular and humoral responses against fasciolosis in rabbits using immunoaffinity fraction of Fasciola gigantica excretory secretory products
PPT Version | PDF Version - Jianping Yu
PDF Version - Toshio Naito
Giant photoconductivity in organic materials by UV irradiation
PPT Version | PDF Version - Angela Zinnai
A new tank for the production of high quality wines without using any chemical additives
PPT Version | PDF Version - Osama Ibrahim
Oligosaccharides: An overview of beneficial sweeteners for food products
PPT Version | PDF Version - Alexander V. Sirotkin
New hormonal and intracellular regulators of reproduction
PPT Version | PDF Version