A system outlook on the vision problem associated with observation of light flickering at the micro-saccades' frequency

Details A system outlook on the vision problem associated with observation of light flickering at the micro-saccades' frequency A system outlook on the vision problem associated with observation of light flickering at the micro-saccades' frequency

2010-06-06

arxiv.org/abs/1006.1093v2

Physics

Medical Physics

This is a slightly improved AL10173E (Phys Rev E) for which an encouraging report had been obtained but the research was not c

Scientific paper

The flickering of the light of fluorescent lamps (FL), whose basic frequency, 100 Hz, is close to that of the micro-saccadic (the eye-muscles' tremor component) eye movement, is a severe problem for autists (autistic humans), a problem for newborn babies, for people after some traumatic accidents, and for some 10% of otherwise absolutely normal humans. Taking the line of a "system-terms" discussion of the vision-disturbance problem, the present work provides a constructive framework for investigating the problem. Using the results of light intensity measurements and some simple analytical models for the instantaneous light-intensity function, and analyzing the role of the coincidence (closeness) of the frequencies of the ripple of and the micro saccades, we suggest a block-diagram for the biological vision control system. We also show that a singularity of the waveform of, which is typical for most FL, may be important for brain control of the eye tremor. The latter conclusion is supported by a simulation of the image intensity on retina.

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