Eyes that are high on one side and low on the other are a manifestation of vertical strabismus, which is a relatively common type of strabismus. The causes of this condition are generally considered to be related to local constraints, such as the presence of local occupational disease or congenital dysplasia of the extraocular muscles. Therefore, when this condition occurs, it is necessary to improve the examination related to strabismus, including visual acuity examination, optometry examination, eye position examination, eye movement examination, and synoptic machine examination, so that an accurate understanding of the disease can be made. For this type of strabismus, it is recommended that surgical correction is needed. Especially in children, if not treated in a timely manner, it can have an impact on the development of visual function in both eyes, and this surgery is a relatively routine procedure in ophthalmology. Therefore, if this condition exists, it is important to visit the hospital as early as possible for examination and clarification.