Visual Aspects and Ergonomics of Visual Display Units

Audiological Handbook of Hearing Disorders. By Stephen V. Prescod. (Pp. 273; £14.55). Van Nostrand Reinhold: Wokingham. 1978. have been 1L years, it is 4 they have spread, and an era as rev Generally speaking, audiology technicians over the past spend their time testing patients, and physicians I producing audiometric charts without gations that i any knowledge of the different underlying eyesight, an conditions that produce variations from prove a nei the normal. therefore b In the field of industrial audiometry consists of the natural assumption is that all deafness papers given is the result of noise. This is not always Science cour the case. mology in This compact readable book explains experts who in simple terms the various outer, middle have produc and inner ear pathologies that cause well referen hearing loss. The audiometric results of related aspc each condition described are illustrated include visu and explained. Short case reports illusdisplays, the trate the relevant clinical and audiothe ergonom logical features. Summaries of each stress in sedc chapter provide quick access to essential in one large information, and all chapters end with of VDUs cr excellent lists of references and suggested to be due to reading. the papers , The chapter on noise-induced hearing by Mr Harlei loss is comprehensive; it explains well Protection I the different types of acoustic trauma, tion: the no the difference between temporary and stimulating p permanent threshold shift, and audioof eyestrain logical tests used in diagnosis. the concludi The book contains a comprehensive which stress glossary of medical and technical terms nomic, psyc which will prove useful to the nonrather than medical reader. reason to ju The practicalities of audiometric techdamage whi nique are not explained and it is assumed the VDU in that the reader already has this facility. This is esse To those involved in audiometry the pational ph3 information contained will add considerwith VDUs. able insight to their daily work, and its acquisition will prove rewarding. The author is to be complimented on producing a book that fills a gap in the Notices field of audiological writing. My one minor regret is that he failed to include a International chapter on non-organic hearing loss, Science in H and to cover the audiometric techniques and investigations available. The Univer