National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The effect of the blue light on the human body
Dvořák, Petr ; Krbal, Michal (referee) ; Štěpánek, Jaroslav (advisor)
This thesis explains the term „blue light“. It deals with the sources of blue light and the effects of this type of electromagnetic radiance on human body. The focus is concentrate especially on problems, which are evocated of blue light. The biggest danger is the desynchronization of circadian rhythm and photochemical damage of retina – photoretinitis („blue light hazard“). The basic principles of biological processes and the visual system are described here. These processes are controlled by properties of incident light onto the retina of eye. The basic information about artificial sources of blue light commonly used in households and in industry are mentioned in the second half of work. These light sources were measured and elaborated. The electromagnetic spectrums of sources are portrayed and there is a comparison of sources due circadian effect too.
The effect of the blue light on the human body
Dvořák, Petr ; Krbal, Michal (referee) ; Štěpánek, Jaroslav (advisor)
This thesis explains the term „blue light“. It deals with the sources of blue light and the effects of this type of electromagnetic radiance on human body. The focus is concentrate especially on problems, which are evocated of blue light. The biggest danger is the desynchronization of circadian rhythm and photochemical damage of retina – photoretinitis („blue light hazard“). The basic principles of biological processes and the visual system are described here. These processes are controlled by properties of incident light onto the retina of eye. The basic information about artificial sources of blue light commonly used in households and in industry are mentioned in the second half of work. These light sources were measured and elaborated. The electromagnetic spectrums of sources are portrayed and there is a comparison of sources due circadian effect too.

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