Validation of the French Version of the Stapesplasty Outcome Test 25 (SPOT-25)

Inclusion Criteria: * Patient aged\> 18 years * Diagnosis of otosclerosis with indication for primary stapes surgery by the combination of the arguments: * Clinical: normal eardrum and audiometry revealing conductive or mixed hearing loss with audiometric Rinne of\> 15 dB and absence of stapedial reflex. * Radiological: otosclerotic foci on preoperative CT scan * Non-opposition to participating in the study * Good understanding of French * Affiliate or beneficiary of a health insurance plan Inclusion criteria for witnesses: * Person aged\> 18 years * Absence of known otological pathology * Without otological surgical history * Non-opposition to participating in the study * Good understanding of French Exclusion Criteria: * Comorbidity that may interfere with the interpretation of results * History of stapes surgery * Person benefiting from a legal protection measure