Color Vision Mechanisms
نویسندگان
چکیده
منابع مشابه
Assessment of Acquired Color Vision Impairment among the Workers Exposed to Mixed Organic Solvents in an Automobile Manufacturing Company
Background and Objectives: Solvents are widely used in industries. Occupational exposure to organic solvents can lead to dysfunction of the nervous system. Since color-vision impairment can be a sensitive and early marker of neurotoxic damage, this study was designed to determine the influence of chronic occupational exposure to organic solvent mixtures on color vision. Materials and Methods: ...
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This study addresses a fundamental question concerning the number of cortical, i.e., higher order mechanisms in color vision. The initial subcortical stages in color vision can be described by three cone mechanisms, S, M, L, and three pairs of second-stage mechanisms (achromatic L + M and -L - M, chromatic S - (L + M) and -S + (L + M), and chromatic L - M and M - L). The further mechanistic des...
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Abstract Background: Occupational exposure to styrene can lead to various psychological and somatic complaints including color vision disorder that can occur even in low concentrations. Color vision disease is an early clue for effect of styrene on human, which can be used as an appropriate screening method in workers exposed to styrene. Materials and Methods: Working in waxy foundry is a job...
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Background: Color vision has an important role in daily activities and also learning special talents in different jobs, especially in the field of medicine. However, they are many people all over the world that has no insight into their color blindness and choose the study fields that are completely dependent on vision. Due to the importance of color vision in the field of medicine, we conducte...
متن کاملبررسی اختلال دید رنگ
ABSTRACT To evaluate the Prevalence of color vision abnormalities in gilan . 500 men and 401 women were selected randomly and tested with Ishihara color blindness booklet. We found 36 men and only one woman with color vision abnormality. The most frequent type was RedGreen color blindness (4.8%). 7% of gilamian males have color vision defects. It can be found with a simple test.
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تاریخ انتشار 2008