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Visual Motor and Perceptual Task Performance in Astigmatic Students.

Erin M Harvey1, J Daniel Twelker1, Joseph M Miller2

  • 1Department of Ophthalmology and Vision Science, The University of Arizona, Tucson, AZ, USA; Mel and Enid Zuckerman College of Public Health, The University of Arizona, Tucson, AZ, USA.

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Summary
This summary is machine-generated.

Uncorrected astigmatism impairs visual motor skills in children. However, children wearing corrective spectacles for astigmatism perform comparably to peers without astigmatism on these tasks.

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Area of Science:

  • Ophthalmology
  • Developmental Psychology
  • Pediatric Optometry

Background:

  • Astigmatism is a common refractive error affecting visual acuity.
  • Visual motor and perceptual skills are crucial for academic and daily functioning in children.
  • The impact of uncorrected astigmatism on these developmental tasks requires further investigation.

Purpose of the Study:

  • To investigate the effect of uncorrected astigmatism on visual motor and perceptual task performance in school-aged children.
  • To compare the performance of children with astigmatism, with and without spectacle correction, to a control group with low refractive error.
  • To determine if previously treated astigmats exhibit developmental deficits when tested with correction.

Main Methods:

  • A cohort of 3rd to 8th graders was classified into a low refractive error control group or a bilateral astigmatism group based on cycloplegic refraction.
  • Participants completed the Beery-Buktenica Developmental Test of Visual Motor Integration (VMI) and Visual Perception (VMIp).
  • Astigmatic participants were tested both with and without their spectacle correction, while the control group was tested without correction.

Main Results:

  • A total of 333 students participated: 170 in the control group, 75 astigmats with correction, and 88 astigmats without correction.
  • Uncorrected astigmats demonstrated significantly lower VMI scores compared to both the control group and corrected astigmats.
  • No significant differences in VMIp scores were found between uncorrected astigmats, corrected astigmats, and the control group.

Conclusions:

  • Unycorrected astigmatism negatively impacts visual motor performance in children.
  • Children with astigmatism who wear corrective spectacles do not show deficits in visual motor or perceptual tasks.
  • Early correction of astigmatism is crucial for optimal visual-motor development and academic success.