Monograph providing guideance to the design and use of visual display units, with particular reference to work environment and technical aspects - describes the function of terminals and workplace requirements from the point of view of ergonomics and of occupational health (esp. Lighting, visual fatigue, radiation protection, psychological aspects, etc.), And includes ergonomic and eye-test questionnaires as well as a glossary of terms. Bibliography pp. Iii.1 to iii.17, diagrams, graphs, photographs and tables.