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This Works propose the benefits of developing an expert system, specialized to evaluate visual diseases. The pathologies of interest in this work are: Diabetic retinopathy, macular degeneration, retinitis pigmentosa and glaucoma. These visual impairments are common in Mexico. The purpose of develop a medical expert system is to evaluate visual diseases with the aim of help people who have no resources or live in a distant town from the major cities in Mexico. We found that the majority of people affected are: in a productive age, have chronic conditions and misinformed about those problems. The number of ophthalmologist is reduced and the often they live in cities. Additionally, we show the type of reasoning methods are used to develop medical expert systems. And we conclude that it is necessary a knowledge representation to store the knowledge of the experts.

Using Conceptual Frames to Define a Representation for a Medical Expert System that Evaluates Visual Pathologies