Exercise-induced diplopia: a mysterious and rare entity.

A rare case of idiopathic exercise-induced diplopia was reported. A 28-year-old male experienced diplopia during and after intensive exercise. These symptoms had been present for over a year. Upon first examination, orthophoria was found. Upon examination after intensive exercise, an esophoria of 10∆ at near and an esotropia of 4∆ at distance was found. Neuroimaging and neurological, cardiological, and hematological evaluations were normal. A prism correction, to be used during exercise, partially resolved the diplopia. This case report aims to highlight and create general awareness about exercise-induced diplopia.