[Haemolacria: etiopathogenesis, diagnosis, treatment].

This article is devoted to the problem of haemolacria, which is a condition that causes a person to produce tears containing blood. The article generalizes and analyzes the data on this rare pathology from scientific literature, systematizes the information about etiopathogenesis of haemolacria and its clinical manifestations, describes possible diagnostic and treatment options, and presents the points of view of authors on this disease. The main purpose of this review is to inform about this rare pathology, which a doctor of any specialty has a chance to encounter.