March 1988
Volume 29, Issue 3
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Articles  |   March 1988
Visual fields of infants assessed with a new perimetric technique.
Author Affiliations
  • D L Mayer
    Department of Ophthalmology, Children's Hospital, Boston, MA 02115.
  • A B Fulton
    Department of Ophthalmology, Children's Hospital, Boston, MA 02115.
  • M F Cummings
    Department of Ophthalmology, Children's Hospital, Boston, MA 02115.
Investigative Ophthalmology & Visual Science March 1988, Vol.29, 452-459. doi:
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      D L Mayer, A B Fulton, M F Cummings; Visual fields of infants assessed with a new perimetric technique.. Invest. Ophthalmol. Vis. Sci. 1988;29(3):452-459.

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Abstract

The visual field of normal infants was assessed using a perimeter with LED stimuli and a forced-choice observation procedure. Central fixation was elicited by four central, pulsing LEDs and maintained with the aid of auditory stimuli. Field extent was derived from the four-alternative, forced-choice judgments of an adult who observed the infant's eye movements to peripherally illuminated LEDs. The binocular visual field of infants, ages 6-7 months, was similar to that of adults tested with the same apparatus. Area of the infants' binocular field was 93% that of the adults'. However, the infants' monocular fields were smaller than those of adults, averaging 74% of the adults' monocular field area. This may have been due to the distracting effect on infant behavior of the adhesive patch used for monocular testing. The visual fields of a young patient with hydrocephalus illustrate the potential clinical utility of this new perimetric technique for infants at risk of field defects.

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