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Comparison of the Relationship between Visual Acuity and Motor Function in Non-Elderly and Elderly Adults.

Sadayuki ItoHiroaki NakashimaMasaaki MachinoNaoki SegiShinya IshizukaYasuhiko TakegamiJun TakeuchiJun OuchidaYukiharu HasegawaShiro Imagama
Published in: Journal of clinical medicine (2023)
This study aimed to clarify the relationship between visual acuity and motor function in younger and elderly participants and to compare differences between non-elderly and elderly participants. In total, 295 participants who underwent visual and motor functional examinations were included; participants with visual acuity ≥0.7 were assigned to the normal group (N group) and those with visual acuity ≤0.7 were assigned to the low-visual-acuity group (L group). Motor function was compared between the N and L groups; the analysis was performed by grouping participants into those aged >65 years (elderly) and those aged <65 years (non-elderly). The non-elderly group (average age, 55.6 ± 6.7 years) had 105 and 35 participants in the N and L groups, respectively. Back muscle strength was significantly lower in the L group than in the N group. The elderly group (average age, 71.1 ± 5.1 years) had 102 and 53 participants in the N and L groups, respectively. Gait speed was significantly lower in the L group than in the N group. These results reveal differences in the relationship between vision and motor function in non-elderly and elderly adults and indicate that poor vision is associated with lower back-muscle strength and walking speed in younger and elderly participants, respectively.
Keyphrases
  • middle aged
  • community dwelling
  • gene expression
  • dna methylation
  • single cell