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Article: Over-the-counter hearing aids: A lost decade for change

TitleOver-the-counter hearing aids: A lost decade for change
Authors
Issue Date2015
PublisherHindawi Publishing Corporation. The Journal's web site is located at http://www.hindawi.com/journals/jbb/index.html
Citation
BioMed Research International, 2015, article no. 827463 How to Cite?
AbstractBackground. Hearing aids sold directly to consumers in retail stores or through the internet, without individual prescription by audiological professionals, are termed over-the-counter (OTC) devices. This study aimed to determine whether there was any change in the electroacoustic characteristics of OTC devices compared to research carried out a decade earlier. The previous results indicated that most OTC devices were low-frequency-emphasis devices and were unsuitable for elderly people with presbycusis, who were likely to be the major consumers of these products. Methods. Ten OTC devices were selected and their electroacoustic performance was measured. Appropriate clients for the OTC devices were derived, using four linear prescription formulae, and OTC suitability for elderly persons with presbycusis was investigated. Results. OTC electroacoustic characteristics were similar to those in the earlier study. Most OTC devices were not acoustically appropriate for potential consumers with presbycusis. Although several of the devices could match prescriptive targets for individuals with presbycusis, their poor electroacoustic performance—including ineffective volume control function, high equivalent input noise, and irregular frequency response—may override their potential benefit. Conclusion. The low-cost OTC devices were generally not suitable for the main consumers of these products, and there has been little improvement in the appropriateness of these devices over the past decade.
Persistent Identifierhttp://hdl.handle.net/10722/210815
ISSN
2015 Impact Factor: 2.134
2015 SCImago Journal Rankings: 0.725

 

DC FieldValueLanguage
dc.contributor.authorChan, ZYT-
dc.contributor.authorMcPherson, DB-
dc.date.accessioned2015-06-23T05:55:38Z-
dc.date.available2015-06-23T05:55:38Z-
dc.date.issued2015-
dc.identifier.citationBioMed Research International, 2015, article no. 827463-
dc.identifier.issn2314-6133-
dc.identifier.urihttp://hdl.handle.net/10722/210815-
dc.description.abstractBackground. Hearing aids sold directly to consumers in retail stores or through the internet, without individual prescription by audiological professionals, are termed over-the-counter (OTC) devices. This study aimed to determine whether there was any change in the electroacoustic characteristics of OTC devices compared to research carried out a decade earlier. The previous results indicated that most OTC devices were low-frequency-emphasis devices and were unsuitable for elderly people with presbycusis, who were likely to be the major consumers of these products. Methods. Ten OTC devices were selected and their electroacoustic performance was measured. Appropriate clients for the OTC devices were derived, using four linear prescription formulae, and OTC suitability for elderly persons with presbycusis was investigated. Results. OTC electroacoustic characteristics were similar to those in the earlier study. Most OTC devices were not acoustically appropriate for potential consumers with presbycusis. Although several of the devices could match prescriptive targets for individuals with presbycusis, their poor electroacoustic performance—including ineffective volume control function, high equivalent input noise, and irregular frequency response—may override their potential benefit. Conclusion. The low-cost OTC devices were generally not suitable for the main consumers of these products, and there has been little improvement in the appropriateness of these devices over the past decade.-
dc.languageeng-
dc.publisherHindawi Publishing Corporation. The Journal's web site is located at http://www.hindawi.com/journals/jbb/index.html-
dc.relation.ispartofBioMed Research International-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleOver-the-counter hearing aids: A lost decade for change-
dc.typeArticle-
dc.identifier.emailMcPherson, DB: dbmcpher@hku.hk-
dc.identifier.authorityMcPherson, DB=rp00937-
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros243950-
dc.publisher.placeUnited States-

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