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Interocular difference associated with myopic progression following unilateral lateral rectus recession in early school-aged children

  • Yooyeon Park
  • Ye Jin Ahn
  • Shin Hae Park
  • Sun Young ShinEmail author
Clinical Investigation
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Abstract

Purpose

To compare refractive changes in operated eyes and fellow unoperated eyes following unilateral lateral rectus recession in early school-aged children.

Study design

A retrospective case control study.

Methods

The medical records of children under ten years of age with intermittent exotropia who underwent unilateral lateral recession surgery were reviewed. The operated eyes were reviewed and the fellow unoperated eyes were used as control. The rate of myopic progression was calculated by spherical equivalent (SE) changes per year, and by the rate of refractive growth (RRG) equation.

Results

SE showed a myopic shift one week after surgery and in the following months, from -1.43 ± 1.84 diopters (D) at 1 week post operation to -1.57 ± 2.22 D at one year and, finally -2.95 ± 2.97 D at the average 4.62 years following surgery. However, the SE shift was not significantly different from the unoperated eye. The low myopia group (under -3.0 D) showed a significantly higher myopic change in the operated eye until one year post operation (p = 0.022). The average myopic shift ratio was -0.53 ± 0.46 D yearly in the operated eye.

Conclusions

This study presents data of a large series of refractive changes secondary to lateral rectus recession, and of long-term myopia progression in Korean population.

Keywords

Unilateral lateral rectus recession Intermittent exotropia Rate of myopic progression Early school-aged children 

Notes

Acknowledgements

There is no competing interest for any of the authors. This study was supported by the Catholic Medical Center Research Foundation made in the program year of 2018. Design of the study (Y.P., S.H.P., S.Y.S.), collection of the data (Y.P. and Y.J.A.), management and analysis of the data (Y.P.), interpretation of the data (Y.P. and S.Y.S.), writing of the article (Y.P. and Y.J.A.), approval of the manuscript (Y.P., S.H.P., S.Y.S.), obtaining of funding (S.Y.S.), searching the literature (Y.P.).

Conflicts of interest

Y. Park, None; Y. J. Ahn, None; S. H. Park, None; S. Y. Shin, None.

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Copyright information

© Japanese Ophthalmological Society 2019

Authors and Affiliations

  • Yooyeon Park
    • 1
  • Ye Jin Ahn
    • 1
  • Shin Hae Park
    • 1
  • Sun Young Shin
    • 1
    Email author
  1. 1.Department of Ophthalmology and Visual Science, College of Medicine, Seoul St. Mary’s HospitalThe Catholic University of KoreaSeoulRepublic of Korea

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