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[Vision tests for the severely handicapped].

K Jacobsen1

  • 1Psykologisk institutt, Universitetet i Oslo.

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|October 30, 1991
PubMed
Summary
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Assessing visual acuity in multi-handicapped individuals is challenging. Preferential looking with grating stimuli effectively measures acuity using eye movements, despite requiring time and adaptations.

Area of Science:

  • Ophthalmology
  • Developmental Psychology
  • Rehabilitation Science

Context:

  • Assessing visual acuity in individuals with multiple handicaps presents significant challenges due to limited response capabilities.
  • Traditional methods relying on verbal, manual, or locomotor responses are often not feasible for this population.

Purpose:

  • To evaluate the efficacy of the preferential looking technique as a method for visual acuity assessment in multi-handicapped individuals.
  • To determine if eye movements can serve as reliable indicators for acuity testing in the absence of other responses.

Summary:

  • The preferential looking technique, utilizing grating stimuli and tracking eye movements, was employed to assess visual acuity.
  • Results indicate that this method is a viable tool for determining visual acuity in multi-handicapped persons.

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  • The study highlights that while effective, acuity testing using this technique can be time-intensive and require personalized adaptations.

    • Impact:

    • Provides a functional method for visual acuity assessment in a population with limited response options.
    • Suggests a pathway for improved visual screening and diagnosis in multi-handicapped individuals.
    • Highlights the need for further refinement and standardization to optimize efficiency and reduce individual adaptation requirements.