background : sensory impairment is a common condition that exerts negative effects on health-related quality of life (hrqol) in the elderly. this study aimed to determine the relationship between sensory impairment and hrqol and identify sensory-specific differences in the hrqol of elderly. methods : this study used data from the korean national health and nutrition examination survey v (2010-2...

this research aimed to investigate the effect of brand vision and positioning on brand equity with regard to moderating role of product performance and using descriptive survey research. the population of research was marketing experts of superior brands in iran’s food industry, which chosen 148 sample of those population using stratified sampling method. data collection tool was a questionnair...

Introduction: Given to the high prevalence of  impaired vision in aging population and importance of their quality of life, this study was aimed to evaluate the association between quality of life and vision rehabilitation needs in elderly patients with low vision referring to Bu Ali Sina Hospital, Qazvin, Iran.   Methods: A total of 94 elderly patients with visual acuity less than 6/18 parti...

purpose: to determine the prevalence and causes of blindness and low vision in tehran province in 2005. methods: a population-based cross-sectional study was carried out involving all habitants living in tehran province in 2005. the study design was according to the world health organization recommendation methods and also a pilot study preformed among rural and urban areas of karaj. it was a m...

Background: Visual impairment is one of the independent risk factors for falling among the elderly. Functional disabilities caused by vision disorders are the most common problems affecting the quality of life in this population. Therefore, vision self-management program (VSM) may be helpful for patients in reducing impairment and improving the quality of life. Aim: The present study aimed to i...

We propose phase-like characteristics in scale-free broadband processes and consider fluctuation synchrony based on the temporal signature of significant amplitude fluctuation. Using wavelet transform, successful captures of similar fluctuation pattern between such broadband processes are demonstrated. The application to the financial data leading to the 2008 financial crisis reveals the transi...

Fluctuation Theorem: a simple consequence of a time reversal symmetry; it deals with motions which are chaotic in the strong mathematical sense of being hyperbolic and transitive (ie are generated by smooth hyperbolic evolutions on a smooth compact surface (the “phase space”) and with a dense trajectory, also called Anosov systems) and “furthermore are time reversible”. In such systems any init...