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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Occupational hearing loss ： ウィキペディア英語版 Occupational hearing loss ==Overview== ''Occupational hearing loss (OHL) is hearing loss that occurs as a result of occupational hazards. These hazards include industrial noise and exposure to ototoxic chemicals such as organic solvents, heavy metals, and asphyxiants. According to the National Institute for Occupational Safety and Health, 22 million workers are exposed to hazardous noise each year, while 10 million workers are exposed to ototoxic solvents. OHL surveillance works to monitor workers' hearing, their exposure to hazards that lead to hearing loss, and measuring this data across industries and over time. “Occupational hearing loss can be defined as a hearing impairment in one or both ears, partial or complete, arising in, during the course of, or as the result of one’s employment”. Occupational hearing loss is a very present industrial issue that has been noticed since the Industrial Revolution. As industrial society continues to grow, this issue is becoming increasingly detrimental due to the exposure of chemicals and physical objects. Millions of employees have been affected by occupational hearing loss, especially in industry. Industrialized countries see most of these damages as they result in both economic and living problems. There are many organizations, including the Occupational Safety and Health Administration (OSHA) and the National Institute for Occupational Safety and Health (NIOSH), who have worked to understand hearing loss in the work environment. They have especially studied how it correlates to extreme noise exposure. According to research from both organizations, exposure to these hazardous levels of noise is common in the American workplace. Although extreme levels of noise are the main cause of occupational hearing loss there are also other factors in the work environment that can result in it. Chemicals, foreign bodies, barotrauma, along with other hazards can result in hearing loss. These losses that these workers obtain, affect many aspects of their life, mainly social interactions. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Occupational hearing loss」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.