PURPOSE To study posterior choroidal thickness and its profile based on location in a healthy Chinese population and to determine its correlation with age and refractive error. METHODS A total of 210 healthy volunteers (420 eyes) with no ophthalmic disease history were recruited. Choroidal scans were obtained for all eyes using enhanced depth imaging spectral-domain optical coherence tomograp...

Inductively coupled plasma mass spectrometry (ICP-MS) has been used for the determination of (232)Th and (238)U in urine of unexposed Jordanian subjects living in six cities. The range of (232)Th excretion in all subjects was found to be 1.4-640 microBq d(-1) with an average of 34.8 microBq d(-1) (geometric mean 15.8 microBq d(-1)). Results showed no statistically significant correlation with a...

BACKGROUND AND PURPOSE The index of mean blood flow velocity (V) in the middle cerebral artery (MCA) divided by respective velocity in the ipsilateral internal carotid artery (ICA), or V(MCA)/V(ICA) index, is commonly used as a marker of vasospasm, although reference values are not established. We sought to provide reference data for these velocities and index. METHODS Transcranial color-code...

purpose: to evaluate the demographic data, mechanisms of injury and complications of ocular trauma in patients over 60 year of age. methods: we retrospectively reviewed the medical records of 91 patients older than 60 who were admitted and treated in the ophthalmology department of khalili hospital, between september 2002 and november 2008, due to ocular trauma. data were retrieved from admissi...

PURPOSE Delayed treatment of congenital hypothyroidism (CH) is a common cause of mental retardation. The aim of the present study was to evaluate intellectual outcomes in preschool children with treated CH. METHODS We retrospectively reviewed the clinical records of 43 children (age range: 13 to 60 days of life; 22 girls and 21 boys) diagnosed with CH. Children aged 5 to 7 years were examined...

background and aim: aging is accompanied with changes in cognitive capacities. in spite of advances in neural imaging technologies, there is not a straightforward method to observe cognitive functions. for assessing brain functions, researchers mainly use psychometric tests. the aim of this study was using consonant-vowel (cv) dichotic test as a non-invasive behavioral test for auditory attenti...

Alcohol consumption in adolescents causes negative effects on familiar, social, academic life, as well as neurocognitive alterations. The binge drinking (BD) pattern of alcohol is characterized by the alternation of episodes of heavy drinking in a short interval of time, and periods of abstinence, a practice that can result in important brain alterations; even more than regular alcohol consumpt...

The grip strengths of 108 children aged 6 to 19 years with myelomeningocele were measured and compared with previously published results for children without disability. The grip strengths of the 59 female subjects with myelomeningocele were significantly lower than those of the population without disability in all age groups except for the 12 to 15 years range. The 49 male subjects exhibited s...

It is clinically important to evaluate the level of skeletal maturation in juveniles to determine the appropriate timing for orthodontic treatment. The purpose of this study was to assess the age of bone maturity by using an ultrasonic bone analyzer (Cuba Clinical, McCue Ultrasonics Ltd., Winchester, U.K.), Broadband ultrasonic attenuation (BUA:dB/MHz) was measured at the left calcaneus as an e...

The dynamic accommodation responses to small, abrupt changes in an accommodation stimulus were studied in two experiments. In the first, responses of 19 subjects with ages distributed between 18 and 49 years were measured for step stimuli of +/- 1.05 D. In the second, responses to small step stimuli (+/- 0.75, +/- 1.75 D) were recorded for a group of six 'young' (mean age 22, range 16-26 years)...