International Review of Ophthalmology ›› 2021, Vol. 45 ›› Issue (6): 556-560.doi: 10.3760/ cma.j.issn.1673-5803.2021.06.017

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The relationship between accommodation and convergence and refractive errors in patients with intermittent exotropia

Zhang Lu, Guo Changmei   

  1. Department of Ophthalmology, Xijing Hospital, Air Force Military Medical University, The Army Eye Research Institute, Xi'an 710032, China

  • Received:2021-01-08 Online:2021-12-22 Published:2021-12-22
  • Contact: Guo Changmei, Email： gcm2@163.com
  • Supported by:
    Academic Pushing Project of Xijing Hospital (XJZT19MDT12); Shaanxi Natural Science Basic Research Project（2021JZ-30）; National Natural Science Foundation of China (81470655)

Abstract: Intermittent exotropia (IXT) shows abnormal accommodation and convergence. The mechanism of the change of accommodation and convergence is related to the formation of binocular monovision in order to control the exotropia in IXT patients, and excessive accommodation while using fusional convergence. There is an interactive relationship between IXT and myopia. The asymmetry between the IXT fixing eye and the deviating eye can indicate the reason for the difference in myopia progression between the two eyes and provide advice on the choice of surgical approach.(Int Rev Ophthalmol, 2021, 45：  556-560)


Key words: intermittent exotropia, accommodation, myopic, refractive error