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Visual fields of young children.

M F Cummings1, J van Hof-van Duin, D L Mayer

  • 1Department of Ophthalmology, Children's Hospital, Boston, MA 02115.

Behavioural Brain Research
|July 1, 1988
PubMed
Summary
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This study introduces a light-emitting diode (LED) perimeter for assessing young children's peripheral vision. The LED perimeter effectively measures visual fields in children and neuro-ophthalmology patients, showing comparable results to traditional methods.

Area of Science:

  • Ophthalmology
  • Neuroscience
  • Pediatrics

Background:

  • Assessing peripheral visual fields in young children presents unique challenges.
  • Quantitative visual field assessment is crucial for diagnosing and monitoring neuro-ophthalmological conditions.

Purpose of the Study:

  • To describe a novel light-emitting diode (LED) perimeter for quantitative assessment of peripheral visual fields in young children.
  • To compare the visual fields of normal children (aged 2-5 years) and adults using the LED perimeter.
  • To evaluate the efficacy of the LED perimeter in neuro-ophthalmology patients by comparing its results with kinetic Goldmann perimetry.

Main Methods:

  • Development and implementation of a light-emitting diode (LED) perimeter utilizing forced-choice procedures.
  • Comparative analysis of peripheral visual field extent between normal children (2-5 years) and adults.

Related Experiment Videos

  • Direct comparison of LED perimetry results with kinetic Goldmann perimetry in neuro-ophthalmology patients.

    • Main Results:

    • No significant differences were found in the extent of the LED visual field between young children and adults.
    • The LED perimeter demonstrated similar overall visual field extent compared to the Goldmann perimeter in neuro-ophthalmology patients.
    • All field defects identified by Goldmann perimetry were also detected by the LED perimeter.
    • Discrepancies in the severity of specific defects (e.g., quandrantanopic) were noted, suggesting potential stimulus-dependency.

    Conclusions:

    • The LED perimeter provides a reliable method for quantitative assessment of peripheral visual fields in young children.
    • The LED perimeter is a viable alternative or complementary tool to Goldmann perimetry for neuro-ophthalmology patients.
    • Further investigation is warranted to understand stimulus-dependent discrepancies observed in field defect severity.