نتایج جستجو برای: hearing protective devices
تعداد نتایج: 424940 فیلتر نتایج به سال:
A contemporary review of hearing aids is provided with a focus on current styles of amplification devices, the goals of a hearing aid fitting and the signal processing schemes that allow the clinician to meet these goals, and the need to couple outside devices to hearing aids. A variety of new features available on hearing aids that improve the listener's experience with amplification are descr...
Background and purpose: Many workers are exposed to workplace hazards. Many occupational diseases are preventable by personal protective devices (PPDs). Though many workers do not use PPDs or their protection by PPDs is not sufficient. This study was designed to assess the quality of PPDs usage among industrial workers. Materials and Methods: In a cross-sectional study, 648 workers from four ma...
OBJECTIVE To determine the prevalence of hearing loss associated with occupational noise exposure and other risk factors. DESIGN A cross-sectional study involving 269 exposed and 99 non-exposed subjects (non-industrial noise exposed subjects) randomly selected. Current noise exposure was estimated using both sound level meter and noise-dosimeter. Past noise exposure was estimated by interview...
The objectives of the present study were to (i) estimate noise levels at major traffic junctions in Bengaluru City, and (ii) assess the knowledge, attitude and practices of traffic policemen deputed at those junctions towards the auditory effects caused by noise pollution. The present questionnaire based study was carried among 60 traffic policemen. Road traffic noise was measured at different ...
the study was conducted on a group of 90 traffic policemen aged 20-50 years and working in and around patiala district to assess their knowledge, attitude, and practices toward the ill effects caused by traffic noise on health. the subjects were required to fill up a questionnaire regarding their self‑assessment of hearing ability, noise‑related attitudes, and the use of personal protective equ...
original article extended exposure to noise can cause permanent hearing damage. this study aimed to determine the incidence time of hearing loss and its effective factors in workers exposed to noise. this retrospective cohort study, was conducted on a total of 273 workers in various sectors of kerman copper by-industries co. their hearing status and the incidence of hearing loss (hearing thre...
OBJECTIVES One of the challenges facing hearing care providers when recommending hearing aids is the choice of device technology level. Major manufacturers market families of hearing aids that are described as spanning the range from basic technology to premium technology. Premium technology hearing aids include acoustical processing capabilities (features) that are not found in basic technolog...
To the Editor: I read the recent article on sound exposure during football matches in the SAMJ with great interest.1 Swanepoel et al. concluded that ‘exposure levels exceeded limits of permissible average and peak sound’1 and ‘Public awareness and personal hearing protection should be prioritised as preventive measures’.1 It is interesting that sound from sports competitions could be an importa...
To the Editor: I read the recent article on sound exposure during football matches in the SAMJ with great interest.1 Swanepoel et al. concluded that ‘exposure levels exceeded limits of permissible average and peak sound’1 and ‘Public awareness and personal hearing protection should be prioritised as preventive measures’.1 It is interesting that sound from sports competitions could be an importa...
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