Otto-Rhino-Laryngology is a medicine field that studies the ear and upper respiratory tract diseases.

Optical devices are widely used in otto-rhino-laryngology that help to watch the ear, nose cavity, throat, calf, bronchi and esophagusas well as various manipulations and surgical interventions. During examination of patients’ hearing and vestibular functions are important. The greatest achievement of Otto-Rhino-Laryngology is the use of microsurgical methods for the treatment of diseases.