نتایج جستجو برای: field of vision
تعداد نتایج: 21230183 فیلتر نتایج به سال:
PURPOSE To investigate the changes of color vision and central visual field in a cohort of patients with Vogt-Koyanagi-Harada (VKH) syndrome. METHODS Sixteen VKH patients (32 eyes) were enrolled in this study. All the patients were treated with immunosuppressive agents. The best visual acuity, visual field testing and color vision testing were available from the records in all these patients ...
Physiological studies of colour vision have not yet resolved the controversial issue of how chromatic opponency is constructed at a neuronal level. Two competing theories, the cone-selective hypothesis and the random-wiring hypothesis, are currently equivocal to the architecture of the primate retina. In central vision, both schemes are capable of producing colour opponency due to the fact that...
purpose : to determine the prevalence of the uncorrected refractive errors in bojnourd students methods : in a cross-sectional study, the samples were selected proportionate to the population of the schools using stratified randomized cluster sampling. the target population was the primary and junior high school students of the city of bojnourd. visual acuity (va) (snellen chart) and cycloplegi...
Background: E-Learning training is programs based on the electronic device. University of medical sciences for health services have need of training human resources specialist. According to importance of technology, identifying electronic components, medical education and use of technology leads to the cause of education and the quality of the training. Methods: Descriptive-comparative st...
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