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Improving visual skills: II-remote assessment via Internet.

Maureen K Powers1, J David Grisham, Janice K Wurm

  • 1Gemstone Foundation Research Institute, Rodeo, California 94572, USA. maureenpowers@gemstonefoundation.org

Optometry (St. Louis, Mo.)
|February 4, 2009
PubMed
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Computer assessments can identify visual skill deficits in poor readers. An Internet-based program showed high agreement with on-site vision therapists, suggesting a viable remote screening tool.

Area of Science:

  • Ophthalmology
  • Developmental Psychology
  • Educational Technology

Background:

  • Poor readers frequently exhibit visual skill deficits, including binocular coordination and oculomotor control.
  • Student visual skills are infrequently assessed, despite the potential of computer-based tools for identification.
  • This study evaluated the efficacy of an Internet-based orthoptics program for assessing visual skills.

Purpose of the Study:

  • To compare the diagnostic accuracy of an Internet-based computer orthoptics program with traditional on-site vision therapy assessments.
  • To determine if remote assessment of visual skills can effectively identify students with reading difficulties.

Main Methods:

  • Forty-one students in grades 1-8, reading below grade level, were assessed by an on-site vision therapist and a remote investigator using an Internet-based program.

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  • The on-site therapist evaluated binocular fusion and tracking ability through clinical observation.
  • The remote investigator assessed accommodative facility, tracking, and vergence skills via the computer program's modules.

    • Main Results:

    • The on-site therapist referred 80% of students for potential visual skills training.
    • The remote assessment identified 61% of students, with all referrals aligning with the on-site therapist's findings (no false positives).
    • The on-site therapist's higher referral rate was attributed to behavioral observations.

    Conclusions:

    • Remote visual skill assessment using an Internet orthoptics program offers a practical method for identifying visual problems in struggling readers.
    • This technology holds promise for early detection and intervention in students with reading impairments.