Clinical Research Directory

Inclusion Criteria: * Ability to provide Informed Consent * 18 years of age or older * Bilateral users of a HiResolution™ Bionic Ear System (HiRes 90K™, HiRes 90K™ Advantage, HiRes™ Ultra, HiRes™ Ultra 3D and CII with HiFocus electrode) * Willingness to participate in all scheduled procedures outlined in the study investigational plan * Minimum of 6 months of CI experience for each ear * At least moderate open-set speech recognition abilities with implant in each individual implanted ear, as defined by achieving a score of ≥ 50% words correct in the AzBio Sentence Test in quiet using a Naída CI M90 research processor * English language proficiency, as determined by the investigator * Willingness to use a behind-the-ear research processor for the duration of the study Exclusion Criteria: * Unrealistic expectations regarding potential benefits, risks and limitations of the investigational device as determined by the investigator * Unwillingness or physical / cognitive inability of subject to comply with all investigational requirements as determined by the investigator * \< 50% words correct AzBio Sentence Test in quiet in either ear using the Naída CI M90 research processor