ReadingIn a 2007 research study published in the Journal of the American Optometric Association, visual skills and visual acuity were measured for 461 California high school students (average age 15.4) who were identified as having poor reading skills. Among the students, 80% were found to be weak or inadequate in one or more of the following visual abilities:

            • accessing  singleness of vision ranges at near point (binocular fusion)
            • coordinating turning of the eyes inward to focus on an object (convergence at near point)
            • focusing on stimuli at various distances and in different sequences in a given time period (accommodation)

In contrast, only 17% had deficient visual acuity—20/40 or worse in one eye—the standard model of deficiency for school vision screenings.1

1David Grisham, OD, MS, Maureen Powers, PhD, Phillip Riles, MA. Visual skills of poor readers in high school. Optometry – Journal of the American Optometric Association: Volume 78, Issue 10 , Pages 542-549, October 2007. © 2007 American Optometric Association. Published by Elsevier Inc.

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