نتایج جستجو برای: vdt

تعداد نتایج: 508  

2014
Huping Wu Yuqian Wang Nuo Dong Fan Yang Zhirong Lin Xumin Shang Cheng Li

OBJECTIVE To explore meibomian gland dysfunction (MGD) may determine the severity of dry eye conditions in visual display terminal (VDT) workers. METHODOLOGY Prospective, case-control study carried out in China.106 eyes of 53 patients (VDT work time >4 hour per day) were recruited as the Long time VDT group; 80 eyes of 40 control subjects (VDT work time ≤ 4 hour per day) served as the Short t...

Journal: :Industrial health 2007
Zhaojia Ye Sumihisa Honda Yasuyo Abe Yosuke Kusano Noboru Takamura Yoshihiro Imamura Kazuyuki Eida Tai-ichiro Takemoto Kiyoshi Aoyagi

The present study examined the relationship of work duration or physical symptoms to the mental health of visual display terminal (VDT) workers in Japan. The mental health status of 2,327 VDT users at an administrative office was investigated using the 12-item General Health Questionnaire (GHQ-12). Subjects were asked about their age, sex, hours of daily VDT use, rest and breaks during VDT work...

Journal: :Thorax 2011
H Ashraf A Dirksen A Loft A K Bertelsen K S Bach H Hansen J H Pedersen J Mortensen

BACKGROUND In lung cancer screening the ability to distinguish malignant from benign nodules is a key issue. This study evaluates the ability of positron emission tomography (PET) and volume doubling time (VDT) to discriminate between benign and malignant nodules. METHODS From the Danish Lung Cancer Screening Trial, participants with indeterminate nodules who were referred for a 3-month resca...

Journal: :Ergonomics 1990
K Nishiyama

Many ficld surveys and medical check-ups suggest that the visual load of VDT work is heavy, and that complaints and subsequent medical diagnoses rclatc to the user of VDTs. However, very few surveys were epidemiologically wcll designed. Some clinical cases were diagnosed as relating to VDT work; however, the pathogeny was not disclosed. The most commonly mcasurcd and examined physiological resp...

2012
Mizuka Kamoi Yoko Ogawa Shigeru Nakamura Murat Dogru Toshihiro Nagai Hiroto Obata Masataka Ito Minako Kaido Tetsuya Kawakita Yasunori Okada Yutaka Kawakami Shigeto Shimmura Kazuo Tsubota

Previous observations in a rat model of a non-Sjögren's syndrome (non-SS) type of dry eye seen in users of visual display terminals (VDT) indicated that secretory vesicle (SV) accumulation in the lacrimal gland epithelia contributes to the condition. Here, to examine this possibility in humans, we compared the lacrimal gland histology and percent SV area in the cytoplasm of acinar epithelial ce...

Journal: :Magnetic resonance in medicine 2014
Ehud J Schmidt Zion T H Tse Tobias R Reichlin Gregory F Michaud Ronald D Watkins Kim Butts-Pauly Raymond Y Kwong William Stevenson Jeffrey Schweitzer Israel Byrd Charles L Dumoulin

PURPOSE Voltage-based device-tracking (VDT) systems are commonly used for tracking invasive devices in electrophysiological cardiac-arrhythmia therapy. During electrophysiological procedures, electro-anatomic mapping workstations provide guidance by integrating VDT location and intracardiac electrocardiogram information with X-ray, computerized tomography, ultrasound, and MR images. MR assists ...

2014
Jun-Hyeok Jang Tae-Hoon Kim Jae-Seop Oh

[Purpose] This study examined changes in the onset of neck movement in young adults with and without mild neck pain (MNP) during visual display terminal (VDT) work. [Subjects] Ten control subjects and 10 subjects with MNP who were VDT workers were recruited. The upper (UC) and lower cervical (LC) spine angles in the sagittal plane were collected using an ultrasound-based motion analysis system ...

2017
Seokhyun Yoon Si Joon Kim Young Jun Tak Hyun Jae Kim

We report a method for fabricating solution-processed quaternary In-Ga-Zn-O (IGZO) thin-film transistors (TFTs) at low annealing temperatures using a vertical diffusion technique (VDT). The VDT is a deposition process for spin-coating binary and ternary oxide layers consecutively and annealing at once. With the VDT, uniform and dense quaternary oxide layers were fabricated at lower temperatures...

2010
Shigeru Nakamura Shigeru Kinoshita Norihiko Yokoi Yoko Ogawa Michiko Shibuya Hideo Nakashima Ryuji Hisamura Toshihiro Imada Tomohiro Imagawa Masato Uehara Izumi Shibuya Murat Dogru Samantha Ward Kazuo Tsubota

BACKGROUND Dry eye has shown a marked increase due to visual display terminal (VDT) use. It remains unclear whether reduced blinking while focusing can have a direct deleterious impact on the lacrimal gland function. To address this issue that potentially affects the life quality, we conducted a large-scale epidemiological study of VDT users and an animal study. METHODOLOGY/PRINCIPAL FINDINGS...

Journal: :Industrial health 1986
M Tanahashi M Miyao H Sakakibara T Kondo Y Akamatsu K Takihi T Yamauchi K Yamanaka S Yamada S Tomiyasu

Fluctuations in accommodation, accommodative function, visual acuity and subjective symptom were investigated on the basis of two hours of character search work by VDT operators. As a means to determine the visual load encountered in VDT work, the fluctuations in accommodation were analyzed using the computer method developed by the authors in eight young women. Visual acuity and amplitude of a...

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