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An overview of KRL, a Knowledge Representation Language
An overview of KRL, a Knowledge Representation Language
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In this paper we discuss general principles of computer science applied to problems of medical consultation. We describe some of the design considerations for a computer-based consultation program in optics and refraction. Since the visual system is the input pathway for most of the data entering the central nervous system, the process of refraction serves important purposes beyond the generation of a prescription for a pair of eyeglasses. Refraction, the measurement and correction of optical deviations of the eye from the desired norm, evaluates what is often the weakest link in the chain of events constituting the visual process. Our purpose is to present the diversity of clinical objectives and constraints that affect the design of such a clinical consultation system, and to describe how different types of models are needed for different aspects of the consultation.