In 865 AD, Rhazes. for relief of deafness, doctors recommended brain of lion mixed with oil to be poured in the affected ear.

      In 1600 AD., Capivacci described a method of differentiaing between the deafness produced by the peripheral or central type of lesion. One end of the iron rod was put between teeth of the patient while its other end was placed upon a keyed musical instrument. If the patient can distinguish between the tones produced by the vibrations of key of the instrument, his deafness was due to some disease in tympanic membrane, if not it was an affection of the nerve.
1885 AD, Rinie and D. Schwabach of Berlin introduced the Tuning fork for confirmation and differentiation of various types of deafness.
Ambroise Parre (1517 AD 1590 AD) the great Frenchman, the father of modern surgery, employed a metallic syringe for the first time for cleaning the ear.
In 1597 AD., CasparTaglla Cotizi of Bologna first attempted to restore an injured auricle by taking integument from the adjacent skin.
In 1640 AD Marcus Baze first attempted to replace the tympanic membrane artificially by placing an ivory rod in the ear, the end of which was covered by Pig's bladder.
In 1690 AD., Johann Hartmann described a procedure for detecting cerumen in the ear. He placed a silver tube in the ear and blew through it. If patient felt the breath cold, the deafness was not due to impacted wax.
n 1655 A.D., Lusitanus gave an amusing explanation for the practice of cutting the ear of thieves. He said, such treatment rendered them incapable of propagating their kind and hence no more thieves would be born out of them. He founded the opinion that the Division of the vein behind the ear rendered a man sterile, because the semen which was generated in the brain could no longer pass down to the genitals.
      In 1731 AD Thomas Willis made an interesting observation on deaf patients (presumably otosclerosis) who can only hear in the noisy place. John Willis, an Englishman, was the first to teach a deaf mute to speak. In 1774 AD J.L. Petit first advised surgery for a case of mastoiditis.
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