نتایج جستجو برای: vision impairment
تعداد نتایج: 258120 فیلتر نتایج به سال:
purpose: to determine the prevalence and causes of blindness and low vision in yazd provice in 2008. methods: a population-based cross-sectional study was performed on inhabitants of in yazd province in 2008. using multistage cluster sampling, sample size was calculated based on the distribution of the total population of yazd province derived from national census and estimated rates of blindne...
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...
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 and aims: Color vision is one of the most important capabilities of the visual system. color vision impairment in many jobs, lead to reduced productivity, increased reaction time and workers' decision-making in confronting with of hazardous situations and as a result, it can lead to occupational accidents. This study was carried out to investigate occupational exposure to BTEX solven...
purpose: to describe the methodology and implementation of the investigation for prevalence and causes of visual impairment in tehran province. methods: this population-based cross-sectional study was conducted on all urban and rural residents of tehran province in 2003. a stratified cluster random sampling with probability proportional to size procedure was used. first, best pinhole-corrected ...
background : visual impairment is a very important public health problem. in iran, reports of visual impairment and blindness have been published from the urban population while the prevalence of visual impairment in the rural popu-lation has not been reported. the purpose of this study to determine the prevalence and causes of visual impairment, in a rural population in district of based on ag...
Background and aims: Exposure to the normal hexane can induce dysfunction of the nervous system and color vision impairment. Occupational risk assessment is established according to no observed adverse effect levels (NOAEL). Recently, because of the NOAEL’s limitations, the benchmark responses were applied for risk assessment. The study’s aim is an analysis of benchmark response in occupational...
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...
to identify and describe factors relating to quality of life (qol) for subjects with low vision and blindness in iran's sistan-baluchestan province, this research designed. this cross sectional study was done on subjects with vision disability who randomly selected and covered by the zahedan welfare organization, zahedan, iran. evaluations were made for the following factors related to visual i...
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