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KMID : 1036620230110011639
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Journal of Korean Clinical Health Science
2023 Volume.11 No. 1 p.1639 ~ p.1643
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Analysis of changes in ocular function according to beats per minute (BPM)
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Kim Bong-Hwan
Han Sun-Hee
Kang Chan-Heum
Lee Hyeon-Seok
Kwon Dong-Uk
Park Chae-Won
Kim Hyung-Soo
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Abstract
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Purpose. We wanted to find out how the changes in brain function affected by the beats per minute (BPM) of music affected visual function.
Methods. The subjects were 40 people in their 20s (30 men, 10 women) with no eye disease, strabismus, amblyopia and a corrected visual acuity of 1.0 or higher. Wearing headphones while excluding surrounding noise as much as possible, we played music while adjusting the beat rate at 40 BPM intervals from 80 to 200 BPM. Then, pupil size measurement, lag of accommodation test, and minus lens addition method maximum accommodation test were performed and analyzed.
Results. As a result of analyzing changes in visual function according to beats per minute [BPM], it was found that although sound can be consciously affected, it does not directly affect visual function significantly in terms of accommodative lag and changes in pupil size. It was confirmed that the effect was limited to the maximum accommodation.
Conclusions. In clinical practice, it is necessary to conduct a refraction test while keeping in mind that there are changes in visual function depending on the BPM of surrounding sounds.
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KEYWORD
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BPM, Lag of accommodation, Maximum accommodation, Pupil size, Visual function
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