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Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia
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Effects of Cycloplegic Agents on Ocular Parameters in Children with Myopia and Hyperopia

Guangzhi Qu1, Bingfeng Wang1, Saisai Ding1

  • 1Department of Ophthalmology, Weifang Eye Hospital, Zhengda Guangming Eye Group, Weifang, China.

Journal of Ophthalmology
|May 22, 2023
PubMed

Insights

Cycloplegia significantly alters ocular parameters like anterior chamber depth and pupil diameter in children. These changes can even reverse group differences, offering insights into refractive development.

Area of Science:

  • Ophthalmology
  • Pediatric Ophthalmology
  • Refractive Error Research

Background:

  • Investigating the impact of cycloplegia on key ocular metrics in pediatric myopia and hyperopia.
  • Understanding how refractive states influence ocular measurements in children.

Purpose of the Study:

  • To determine the effects of cycloplegia on ocular parameters in children aged 5-10 with myopia and hyperopia.
  • To analyze changes in anterior chamber depth (ACD) and pupil diameter (PD) post-cycloplegia.

Main Methods:

  • Recruited 42 myopic and 44 hyperopic children (5-10 years).
  • Measured central corneal thickness (CCT), corneal curvature (CC), ACD, PD, axial length (AL), and central retinal thickness (CRT) before and after 1% atropine sulfate ointment-induced cycloplegia.

Main Results:

  • Pre-cycloplegia: Myopic children had significantly higher ACD and AL, and smaller PD compared to hyperopic children.
  • Post-cycloplegia: Pupil diameter in myopic children became significantly larger than in hyperopic children, reversing the initial difference.
  • Both groups showed increased ACD and enlarged PD after cycloplegia.

Conclusions:

  • Cycloplegia significantly impacts ACD and PD, leading to a reversal of PD differences between myopic and hyperopic children.
  • Cycloplegia provides a valuable tool for studying dynamic changes in ocular parameters within a short timeframe.
Abstract

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