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International Journal of Zoology and Applied Biosciences Research Article
A comprehensive investigation of hearing loss using audiometric assessment techniques
Aiswarya R, Ezhil T, Lavanya R, Karthick K, Jenifer E
Year : 2025 | Pages: 640-643
Received on: 01/10/2025
Revised on: 27/10/2025
Accepted on: 27/11/2025
Published on: 01/12/2025
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Aiswarya R, Ezhil T, Lavanya R, Karthick K, Jenifer E( 2025).
A comprehensive investigation of hearing loss using audiometric assessment techniques
. International Journal of Zoology and Applied Biosciences, 10( 6), 640-643.
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Abstract
Hearing loss arises from multiple etiological factors, making accurate diagnosis challenging and often inconclusive. Although pure-tone audiometry (PTA) is considered the standard test, additional assessments including laboratory analyses, radiological imaging, tympanometry, otoacoustic emissions (OAE), and evoked response audiometry play essential roles depending on clinical needs. This study explores the relationship between self-reported leisure noise exposure and key audiological indicators such as hearing threshold levels (HTLs) and tinnitus prevalence. A cross-sectional survey of 1,432 participants aged 11-35 years was conducted, followed by comprehensive audiometric testing including otoscopy, PTA, OAE, and tympanometry. The findings demonstrate that although tinnitus is widely experienced among young individuals with high leisure-noise exposure, there is no significant evidence of threshold shifts or permanent hearing loss across the population. The study emphasizes the importance of early awareness, preventive hearing-health practices, and the continued utility of audiometric tools in detecting subtle auditory changes.
Keywords
Hearing loss, audiometry, Pure-tone audiometry, Otoacoustic emissions, Tympanometry levels.
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© The Author(s) 2025. This article is published by International Journal of Zoology and Applied Biosciences under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
