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Vision01:24

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Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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Vision and academic performance in primary school children.

Joanne M Wood1, Alex A Black1, Shelley Hopkins1

  • 1School of Optometry and Vision Science and Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia.

Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
|September 18, 2018
PubMed
Summary

Specific vision skills, particularly those measured by the Development Eye Movement (DEM) test, are strongly linked to academic performance in Australian third-graders. These findings aid clinicians in managing children

Keywords:
academic achievementchildren's visioneye movementsvision screeningvisual information processing

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Area of Science:

  • Ophthalmology and Optometry
  • Developmental Psychology
  • Educational Psychology

Background:

  • Vision is crucial for academic success, but existing evidence is inconsistent.
  • Understanding the relationship between specific vision functions and academic achievement is vital for early intervention.

Purpose of the Study:

  • To investigate the association between vision function, visual information processing, and academic performance in Australian Grade 3 children.
  • To identify specific vision measures that correlate with academic achievement.

Main Methods:

  • 108 Grade 3 children from South-East Queensland participated.
  • Vision screening included visual acuity (VA), binocular vision, and stereoacuity (SA).
  • Computer-based tests assessed visual information processing (Development Eye Movement [DEM], Visual Sequential Memory [VSM], Symbol Search [SS]).
  • Academic performance data from the National Assessment Program for Literacy and Numeracy (NAPLAN) were collected.

Main Results:

  • DEM horizontal and vertical times showed the strongest association with all NAPLAN subtest scores (Reading, Writing, Spelling, Grammar/Punctuation, Numeracy).
  • VSM and SS scores, along with VA, were significantly associated with at least one NAPLAN subtest.
  • Stereoacuity (SA) did not show a significant association with any academic performance measures.

Conclusions:

  • Performance on DEM subtests is a key indicator of academic performance in children.
  • These findings can inform clinical practice for managing uncorrected refractive errors and binocular vision anomalies in children.