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Changes in Postural Control Ability after Wearing Corrective Glasses for Distance in Older Adults and Their Causes

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  • Dong-Sik Yu

    (Department of Optometry, College of Health Science, Kangwon National University, Samcheok-si 25949, Korea)

  • Sang-Yeob Kim

    (Department of Optometry, College of Health Science, Kangwon National University, Samcheok-si 25949, Korea)

Abstract

Deterioration of postural control in older adults is unavoidable due to age-associated degeneration of the visual system. Our study objective was therefore to verify whether there is a positive effect on postural control ability after providing older adults, whose postural control function had deteriorated, with corrective glasses to correct refractive errors. Twenty-seven participants, 66 to 90 years of age, were included in this study. Stability index, synchronization index, and sway power index were measured by using the TETRAX balance system and comparatively analyzed before and after wearing the corrective glasses for distance. The stability index after wearing corrective glasses significantly decreased compared to before wearing them ( p < 0.05). Four synchronization areas, among six, showed a significant increase in the synchronization index after wearing corrective glasses compared to before wearing them ( p < 0.05). The sway power index significantly decreased in the mid–high and the high frequency after wearing the corrective glasses ( p < 0.05). Optimal visual information can be obtained through the correction of residual refractive errors, eliciting a positive effect on the overall posture control by improving the sensory integration ability with the somatic nervous system responsible for posture control, maximizing the lower extremity motor function of the elderly.

Suggested Citation

  • Dong-Sik Yu & Sang-Yeob Kim, 2022. "Changes in Postural Control Ability after Wearing Corrective Glasses for Distance in Older Adults and Their Causes," IJERPH, MDPI, vol. 19(11), pages 1-11, May.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:11:p:6643-:d:827318
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    References listed on IDEAS

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    1. Ji In Bae & Dong-Sik Yu & Sang-Yeob Kim, 2020. "Effect of optical correction by fully corrected glasses on postural stability," PLOS ONE, Public Library of Science, vol. 15(7), pages 1-12, July.
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