Measurement of hearing acuity, determination of auditory sensitivity to sound waves of different frequencies. The study is conducted by a surdologist. An accurate study is carried out using an audiometer, but sometimes a test can be carried out using tuning forks. Audiometry allows you to study both bone and air conduction. The result of the tests is an audiogram, according to which an otolaryngologist can diagnose hearing loss and various ear diseases. Regular examination reveals the onset of hearing los