نتایج جستجو برای: s eye
تعداد نتایج: 859067 فیلتر نتایج به سال:
Public Health Burden and Potential Interventions for Myopia Bobeck S. Modjtahedi, MD Eye Monitoring Center, Kaiser Permanente Southern California, Baldwin Park, California Frederick L. Ferris III, MD National Eye Institute, Bethesda, Maryland David G. Hunter, MD, PhD Harvard Medical School and the Department of Ophthalmology, Boston, Massachusetts Donald S. Fong, MD, MPH Eye Monitoring Center, ...
The ISO 9241-9 standard for computer pointing devices proposes an evaluation of performance and comfort [4]. This paper is the first eye tracking evaluation conforming to ISO 9241-9. We evaluated three techniques and compared them with a standard mouse. The evaluation used throughput (in bits/s) as a measurement of user performance in a multi-directional point-select task. The "Eye Tracking Lon...
Eye movement behavior in reading can reflect on-line cognitive process. Through the on-line measure of eye movement, under relatively natural reading condition, data of the reader’ s eye movement in the text can be obtained in processing information, and thus help to reveal the internal cognitive mechanisms in reading. With the development of intelligentization, serialization and portable direc...
results males (8,593 patients) were more likely to have eye trauma than females (1,262). the mean age for the outpatient cases was 20.3 ± 16.39 years and for the inpatient cases it was 22.7 ± 18.95 years. the workplace was the most common site for trauma and the cornea was the most reported anatomically injured site. for those patients who had not used safety and protection equipment, 93.1% wer...
purpose: dry eye syndrome is a multifactorial disorder of the tear film and ocular surface that results in eye discomfort, visual disturbance, and often ocular surface damage. studies suggest that the prevalence of clinically diagnosed dry eye syndrome (des) is 0.4%. to 0.5%, which is highest among women and the elderly. the burden of des can be substantial, affecting visual function, daily act...
We evaluated whole body reaction time and one leg with eye closed balance in elderly Japanese. A total of 2059 elderly Japanese (730 men and 1329 women), aged 60 79 years, were enrolled in the cross-sectional investigation study. Anthropometric parameters, whole body reaction time and one leg with eye closed balance were measured. Whole body reaction time was significantly higher and one leg wi...
Olive flounder Paralichthys olivaceus is one of the most widely cultured fish species in Korea. Although olive flounder receive attention from aquaculture and fisheries and extensive research has been conducted eye morphological change in metamorphosis, but little information was known to molecular mechanism and gene expression of eye development- related genes during the early part of eye form...
Dynamic luminescent labels, in which a image changes with time after ultraviolet excitation is turned off, are attractive for anticounterfeiting. A sequence of Gd2O2S:Eu3+/Ti4+ phosphors presented the Ti4+ doping concentration allows persistent emission lifetime to be varied from 1.17 ± 0.02 5.95 0.07 s. While this tuned, photoluminescence quantum yield remains over 46% 3%. broad charge-transfe...
Objectives: Balance functions play a significant role in routine life of the elderly, especially in reducing the risk of their falling. The aim of this research was to investigate static and dynamic balance of healthy elderly men during different hours of the day. Methods & Materials: For this purpose, 10 old men with the mean (SD) age of 69.45(3.23) years participated voluntarily ...
Objective- The aim of this study was to evaluate ultrasonographic appearance of the normal eye and obtaining reference values of ocular structures in Iranian native donkey. Design- Experimental study. Animals- Five Iranian native donkeys. Procedures- After preparation of the animals, ocular structures were ima...
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