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Correction of Low-Moderate Hyperopia Improves Accommodative Function for Some Hyperopic Children During Sustained

Michael Ntodie1,2, Kathryn J Saunders2, Julie-Anne Little2

  • 1Optometry and Vision Science Department, School of Allied Health Sciences, College of Health, University of Cape Coast, Cape Coast, Ghana.

Investigative Ophthalmology & Visual Science
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Summary

Correcting hyperopia in children improved their ability to focus during near tasks like reading and watching movies. This suggests that prescribing glasses for hyperopia can enhance visual performance in schoolchildren.

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Area of Science:

  • Ophthalmology and Optometry
  • Pediatric Vision
  • Visual Neuroscience

Background:

  • Hyperopia, or farsightedness, is common in children and can affect visual development.
  • Accommodative function, the eye's ability to change focus for near objects, is crucial for reading and other near tasks.
  • The impact of refractive correction on sustained accommodative performance in hyperopic children is not fully understood.

Purpose of the Study:

  • To investigate if refractive correction improves accommodative function in hyperopic children during sustained near activities.
  • To compare the effects of correction on accommodative accuracy and microfluctuations during active (reading) and passive (movie watching) tasks.
  • To assess the impact of hyperopic correction on reading speed.

Main Methods:

  • Sixty-three children (aged 5-10 years) with uncorrected hyperopia (>/= +1.00 D) participated.
  • Accommodative function was measured using eccentric infrared photorefraction during sustained reading and movie-watching tasks.
  • Visual acuity, cover test, stereoacuity, and reading speed were assessed with and without hyperopic correction determined by cycloplegic retinoscopy.

Main Results:

  • Hyperopic refractive correction significantly improved accommodative response accuracy in both reading and movie tasks.
  • Accommodative microfluctuations increased during reading but decreased during movie watching with correction.
  • Reading speed significantly increased with hyperopic correction.

Conclusions:

  • Correcting low-to-moderate hyperopia positively impacts accommodative performance in some schoolchildren during sustained near work.
  • Prescribing hyperopic correction may enhance near vision task performance for affected children.
  • This highlights the importance of timely refractive correction for visual function in pediatric populations.