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: specific language impairment (sli) is one of the most common developmental problems resulting in referral to speech therapy clinics in the preschool years. a number of studies have been conducted to determine the prevalence of sli in different populations. however, the prevalence of childhood language disorders in iranian population is unknown because of the limited epidemiologic st...

background: considering population aging in iran and the importance of cataract surgery in the old age, this study was performed to show the cataract surgical rate (csr) between 2006 and 2010 in tehran province. methods: eighteen centers were randomly selected from cataract surgery centers in tehran. in each center, one week in every season was randomly selected and the number of cataract surge...

background: multiple sclerosis (ms) is a chronic demyelinating disease that can affect cognitive function. the purpose of this study was to assess the efficacy of ginkgo biloba (gb) on improvement of memory impairment and quality of life in patients with ms. methods: this study was an 8-week, open study of patients with ms. thirty patients was recruited from a variety of outpatient settings. al...

background and aim: hearing impairment is one of the common disabilities quality of life of mothers of children with hearing impairment are often lower than others. this study aimed to evaluate the effects of life skills training (lst) on the quality of life of mothers who have children with hearing impairment. methods: an experimental research method (pretest, post-test with control group desi...

dust can be produced by almost all production processes in portland cement factory. dust exposure potentially can affect respiratory function. but evidence for respiratory effect of cement dust exposure has not been conclusive. in this study we assessed effect of cement dust exposure on respiratory function in a cement production factory. a respiratory symptoms questionnaire was completed and p...

purpose: the association between deafness and ocular abnormalities is well established however the nature and prevalence of these problems are diverse across the globe. methods: a team of optometrists and social worker visited one hundred fifty eight deaf boy students at their schools and those who needed more detailed evaluation were referred to the farabi eye hospital's strabismus clinic...

the present study aimed at assessing cement dust exposure and its relationship to lung function at a portland cement factory in ilam, iran. lung function tests were carried out on 112 workers at the cement factory in 2008-09. simultaneously 85 non exposed workers were used as control. lung function tests were performed for all subjects. additionally, total dust level was determined by the gravi...

objectives: the current study was performed to investigate the relationship between mental impairment and each component of activity of daily living (adl) in elderly residents of the kahrizak charity foundation. methods & materials: standardized iranian mini mental examination and barthel index were used to assest cognitive status and adl in 184 elderly residents of kahrizak, respectively. resu...

introduction: neonatal hypernatremia dehydration (nhd) is a dangerous condition in neonates, which is accompanied by acute complications (renal failure, cerebral edema, and cerebral hemorrhage) and chronic complications (developmental delay). children begin learning language from birth, and hearing impairment interferes with this process. we assessed the hearing status of infants with hypernatr...