[Convergent strabismus in children. Clinical aspects and treatment]

The classification of convergent strabismus of the child, "esotropies", is mainly based upon the age of appearance. It is indeed fundamental to distinguish the early esotropies where the recovery of binocular vision is impossible and the orthoptic reeducation unnecessary, from the late forms where orthoptic reeducation and treatment could achieve the recovery of the binocular vision.