Progress in binocular visual function testing for intermittent exotropia and its relationship with refractive errors

This article aims to comprehensively explore the progress of binocular vision function examination of intermittent exotropia(IXT)and its relationship with ametropia. As a common type of strabismus, IXT not only affects patients' visual experience and mental health, but also may develop into constant exotropia as they age. This article outlines the definition, prevalence, and clinical manifestations of IXT; introduces the examination methods of IXT, including strabismus angle examination, eye position control evaluation, and changes in accommodation and convergence functions. The article also explores the changes in stereopsis and other related examinations in IXT patients, providing a scientific basis for the comprehensive evaluation of IXT. In addition, the article deeply analyzes the relationship between IXT and ametropia, especially myopia, anisometropia, and hyperopia, pointing out the importance of refractive correction in improving binocular vision function and promoting the recovery of stereopsis. This article aims to provide references for clinical work and help doctors better understand the diagnosis and treatment of IXT.