1991 Volume 1991 Issue Supplement41 Pages 1-7
Our hospital has a section providing outpatient hearing aid services including diagnosis and estimation of hearing impairment as well as selection fitting, and servicing of hearing aids.
Various fitting methods exist for hearing aids, for example, the half-gain rule, POGO, and NAL methods. Currently, in our practice, hearing aids are selected according to the POGO method, despite the many problem arising from individual difference and the demerits of the aid.
Referance i s made to problems with hearing aids and the prospects for new instruments.