Multiple sclerosis presenting as acute acquired comitant esotropia in a pediatric patient

Acute acquired comitant esotropia (AACE) is a rare form of esotropia in the older pediatric population. Although the workup for pediatric AACE varies, patients often do not undergo lab testing and imaging, because the overwhelming majority of cases are idiopathic. We describe AACE as the presenting manifestation of multiple sclerosis in a pediatric patient. His only other finding was a horizontal jerk nystagmus isolated to end gaze. Magnetic...