نتایج جستجو برای: eyestrain
تعداد نتایج: 123 فیلتر نتایج به سال:
This paper estimates the causal effect of perceived job insecurity i.e. the fear of involuntary job loss on health in a sample of 22 European countries. We rely on an original instrumental variable approach based on the idea that workers perceive greater job security in countries where employment is strongly protected by the law, and relatively more so if employed in industries where employment...
As use of digital devices has grown, university students (along with faculty and administrators) are considering whether academic reading should be done in print or on digital screens. Some studies have indicated that comprehension in the two media is equivalent, while other research has questioned this conclusion. Furthermore, we have little systematic knowledge about students’ own attitudes a...
The most common type of cancer seen in women is breast cancer. To enable recovery from this severe disease, monitoring and early detection must be provided, and related precautions must be taken as a first step. During diagnosis, some cases may be overlooked due to fatigue and eyestrain, because the determination of abnormalities is a repetitive procedure. In this study, a computer-aided diagno...
BACKGROUND It has been well documented that a long-time irradiation of the eye by a strong light elicits eyestrain and fatigue. To elucidate the mechanism for the induction of light-induced fatigue and asthenopia, changes in the mouse were analyzed after white light-irradiation to the eye. METHODS C57BL/6j male mice were irradiated with white light in a specially designed room equipped with f...
The first electrophysiological study of the human lateral geniculate nucleus (LGN), optic radiation, striate, and extrastriate visual areas is presented in the context of presurgical evaluation of three epileptic patients (Patients 1, 2, and 3). Visual-evoked potentials to pattern reversal and face presentation were recorded with depth intracranial electrodes implanted stereotactically. For Pat...
The most common type of cancer among women worldwide is breast cancer. Early detection of breast cancer is very important to reduce the fatality rate. For the hundreds of mammographic images scanned by a radiologist, only a few are cancerous. While detecting abnormalities, some of them may be missed, as the detection of suspicious and abnormal images is a recurrent mission that causes fatigue a...
Background and aims the main part of students' time is spent at school. Recent studies have released that lack of match between students' anthropometry size and dimensions of existing furniture is a risk factor in creating discomfort and muscle- skeletal disorders (such as backache and neck pain), reducing concentration, increasing fatigue, restless and eyestrain in youths and students. ...
background: with increased use of computers, exposure to electric and magnetic fields is increasing, the main objective of this study was to evaluate the electric and magnetic field strength in portable computers (laptops) and its relation with eyestrain users. methods: in this cross – sectional study, magnetic and electric fields in 125 laptop computers were measured from 30 cm and 50 cm dista...
With the gradual maturity of virtual reality (VR) technology in recent years, VR industry is a trend rapid growth, providing new possibilities for content design. Although has been able to provide users with excellent immersive experience, side effects that affect user experience still exist, especially cybersickness. It would cause extreme physical discomfort and discontinuation use. Many rese...
background: there are millions of working children worldwide. several causes are suggested for this social evil of which poverty plays a significant role in whether a child will work. objective: to determine the morbidity profile in the working children of gem polishing units of jaipur, india and assess some of its associated socio-economic factors. methods: the present cross-sectional study in...
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