Gait is an individual's walking pattern, and it is a significant part of daily living activities. Quantitative gait assessments, like spatiotemporal parameters (STPs), are related to the functional conditions to provide useful information. This study reviewed the comprehensive differences in spatiotemporal gait variability measures between visually impaired people and the sighted. The search strategy was performed in three databases (PubMed/MEDLINE, Web of Science, and Scopus) from the start date to October 2022, and the utilized keywords for this search are related to gait and blindness. This review considered only those studies that evaluated gait parameters in people with visual impairment and blind people without any limitations in age and gender. In this review, studies without a control group (sighted people) were excluded. The Newcastle-Ottawa Scale (NOS) was applied for critical appraisal. Six full manuscripts were included. The sample size ranged from 19 to 91. The mean modified NOS critical appraisal scores for cross-sectional studies were 6.0. In these studies, among nine STPs: stride length, walking speed, stance and swing phase, step width, cadence, step length, double support, and single support, at least five and at most seven factors were examined. The gait pattern of blind and low-vision people is characterized by a slower walking speed, shorter stride length, increased step width, decreased cadence, prolonged duration of double support, and reduced single support compared to the controls.
Keywords: Gait; spatiotemporal; visual impairment.
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