.Objectives of the present study were to study the characteristics of hearing loss and assess the
prevalence of hearing loss in workers of lock factories. The study group included 114 workers
employed in different sections of lock factories namely Power press, Lathe machine, Grinder
and Hand press units. Fairly high and potentially damaging noise levels were recorded in all
the sections of lock factories. Various hearing tests and audiometric test were performed to assess
the hearing loss. Result of the present study indicates that hearing impairment are commoner
in workers continuously exposed to high levels of occupational noise.