A 35-year-old man, followed due to idiopathic generalized epilepsy, presented heterochromia (eyes of two different colours), together with anisocoria (condition in which the left pupil is smaller than the right pupil). The anisocoria became more pronounced in the dark. The patient reported that his eyes had been of different colours ever since he could remember. A diagnosis of idiopathic congen...

The article is devoted to ParryRomberg syndrome, one of the rare diseases. Here we declare contemporary views on predisposing factors, pathogenesis and character clinical performance. We describe methods differential diagnostics, criteria diagnostics as well treatment methods. also a case history disease.