Assessment of the time course of the state of extraocular muscles in printed load with different design parameters
Date
2018-09-30
Authors
Maslova, Natalia
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Abstract
The study deals with evaluation of the time course of the state of extraocular muscles of the visual system in 199 pupils of three age groups in printed load, estimated from the ratio of the interference pattern parameters and the symmetry factor introduced by the author. Adaptation of the visual system to its own state (structural and functional organization) was found to occur in many cases due to asymmetric functioning of extraocular muscles. In long work at a close distance this initial (adaptivecompensatory) asymmetry, providing binocular vision, converges with asymmetry caused by visual stress and fatigue. Thus, the study identified three main ways of adapting to work at close distance. Keywords
Description
As our studies have shown, in many cases adaptation of the visual system to its own state (structural and functional organization) occurs due to asymmetric functioning of extraocular
muscles. This occurs when there are structural or functional differences between the right and left eyes, and at the same time, binocular functioning is necessary. In long work at a close distance this initial (adaptive-compensatory) asymmetry, providing binocular vision, converges with asymmetry caused by visual stress and fatigue. In this case, the end result can be of three kinds. First, there may be an increase in the initial asymmetry or its appearance (in the case of the initial symmetrical functioning of the extraocular muscles of the right and left eyes). In this case, the values of the coefficient K will be positive. Secondly, if the symmetrical functioning or initial asymmetry remains, the coefficient K will be zero. Thirdly, if work at close range has resulted in a more symmetrical functioning of the visual system than before work, then the values of the coefficient K will be negative. Thus, we have identified three main ways of adapting to work at close distance.
Keywords
interference patterns, coefficient of symmetry, binocular vision, printed load, extraocular muscles
Citation
Maslova N. M. Assessment of the time course of the state of extraocular muscles in printed load with different design parameters / N. M. Maslova // International Trends in Science and Technology : Proceedings of the VI International Scientific and Practical Conference, Warsaw, Poland, September 30, 2018 / RS Global Sp.z O.O. – Warsaw, 2018. – Vol. 4. – P. 7–9.