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Near-Vision Acuity Levels And Performance On Neuropsychological Assessments Used In Occupational Therapy, Carl Bassi, Linda A. Hunt
Near-Vision Acuity Levels And Performance On Neuropsychological Assessments Used In Occupational Therapy, Carl Bassi, Linda A. Hunt
Carl Bassi
We investigated how induced blur affects performance on the Trail Making Test and Digit Symbol Test routinely used in occupational therapy cognitive evaluations. The study used a factorial design with both age (young and old adults) and simulated blur levels of near visual acuity (20/50 and 20/100) manipulated between participants. A sample of 124 healthy, community-living adults was used in the final analysis. Significant differences (p < .05) were found in performance for young participants between 20/50 and 20/100 blur level as well as between 20/20 and 20/100 blur level for the Digit Symbol Test. Scores for old participants decreased …