نتایج جستجو برای: ophthalmic health survey

تعداد نتایج: 1277093  

2017

Although the prevalence of chronic HCV is lower in children than adults, an estimated 5 million children worldwide have active HCV infection (Gower, 2014). Data from the National Health and Nutrition Examination Survey (NHANES) collected between 2003 and 2010 indicates that 0.2% of 6to 11-year-olds (31,000 children) and 0.4% of 12to 19-year-olds (101,000 adolescents) in the US are chronically i...

2010

Many Americans use complementary and alternative medicine (CAM) in pursuit of health and well-being. The 2007 National Health Interview Survey (NHIS), which included a comprehensive survey of CAM use by Americans, showed that approximately 38 percent of adults use CAM. This fact sheet presents an overview of CAM, types of CAM, summary information on safety and regulation, the mission of the Nat...

2014
Jennifer J Palmer Farai Chinanayi Alice Gilbert Devan Pillay Samantha Fox Jyoti Jaggernath Kovin Naidoo Ronnie Graham Daksha Patel Karl Blanchet

BACKGROUND Development of human resources for eye health (HReH) is a major focus of the Global Action Plan 2014 to 2019 to reduce the prevalence of avoidable visual impairment by 25% by the year 2019. The eye health workforce is thought to be much smaller in sub-Saharan Africa than in other regions of the world but data to support this for policy-making is scarce. We collected HReH and cataract...

2018
Jie Li Bihui Zhou Yajie Jiang Xiaoming Liu

A concise method for the preparation of new 3,4,5,6-tetrahydropyrimidinium salts was presented in this paper. Further application of these salts in asymmetric diethylzinc addition of arylaldehydes was explored, giving the corresponding chiral second alcohols in good yields and moderate enantioselectivities.

1999
Josephine Anstey Dave Pape Dan Sandin

In this paper we discuss issues involved in creating art and cultural heritage projects in Virtual Reality with particular reference to one interactive narrative, “The Thing Growing”. In the first section we will briefly discuss the potential of VR as a medium for the production of art and the interpretation of culture. In the second section we describe “The Thing Growing” project. In the third...

Journal: :BMJ 1994
K T McGovern

Virtual reality (VR) has revolutionized many scienti®c disciplines by providing novel methods to visualize complex data structures and moreover by providing means to manipulate this data in real-time in a natural way. Among the most promising ®elds for the application of VR systems are engineering, education, entertainment, military simulations and medicine. This paper reviews applications of V...

2013
Arnaud Saimpont Martin F. Lafleur Francine Malouin Carol L. Richards Julien Doyon hb Philip L. Jackson

Mental practice refers to the cognitive rehearsal of a physical activity. It is widely used by athletes to enhance their performance and its efficiency to help train motor function in people with physical disabilities is now recognized. Mental practice is generally based on motor imagery (MI), i.e., the conscious simulation of a movement without its actual execution. It may also be based on ver...

2014
Pavel F. Bessarab Valery M. Uzdin Hannes Jónsson

Pavel F. Bessarab,1,2 Valery M. Uzdin,2,3 and Hannes Jónsson1,4 1Science Institute and Faculty of Physical Sciences, VR-III, University of Iceland, 107 Reykjavı́k, Iceland 2Department of Physics, St. Petersburg State University, St. Petersburg, 198504, Russia 3St. Petersburg National Research University of Information Technologies, Mechanics and Optics, St. Petersburg, 197101, Russia 4Dept. of A...

2015
Jinan Banna Meng-Fen Grace Lin Maria Stewart Marie K. Fialkowski

Fostering interaction in the online classroom is an important consideration in ensuring that students actively create their own knowledge and reach a high level of achievement in science courses. This study focuses on fostering interaction in an online introductory nutrition course offered in a public institution of higher education in Hawai'i, USA. Interactive features included synchronous dis...

Journal: :Applied ergonomics 2002
Jeenal Vora Santosh Nair Anand K Gramopadhye Andrew T Duchowski Brian J Melloy Barbara Kanki

The aircraft maintenance industry is a complex system consisting of several interrelated human and machine components. Recognizing this, the Federal Aviation Administration (FAA) has pursued human factors related research. In the maintenance arena the research has focused on the aircraft inspection process and the aircraft inspector. Training has been identified as the primary intervention stra...

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