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- PMID: 19745743
- UKPMCID: 19745743
- DOI: 10.1097/AUD.0b013e3181b8399b
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Comparison of real-ear to coupler difference values in the right and left ear of hearing aid users.
Munro, Kevin J; Howlin, Elaine M
Ear and hearing. 2010;31(1):146-50.
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Full-text held externally
- PMID: 19745743
- UKPMCID: 19745743
- DOI: 10.1097/AUD.0b013e3181b8399b
Abstract
OBJECTIVE: The purpose of this study was to compare real-ear to coupler difference (RECD) values in the right and left ear of hearing aid users. DESIGN: RECDs were obtained from both ears of 16 adults, 17 school-age children, and 11 preschool children using the Audioscan Verifit real-ear microphone system. RESULTS: In 80 to 90% of participants, the difference between ears was generally <3 dB at 0.5 to 4 kHz. CONCLUSIONS: In hearing aid users with nonoccluding wax and normal middle ear function, the difference in RECD between the right and left ear is small and probably not clinically significant.