title: Computer processing of visual data. II. Automated pattern analysis of glaucomatous visual fields.
abstract: Machine algorithms have been developed for automated detection and characterization of glaucomatous defects in visual field records stored in a computer. Using elementary techniques of pattern analysis, the contours defining each visual field are described by a set of primitive graphic and type-descriptive features. A hierarchical structure of logical tests is then used to arrive at intermediate and higher-level conclusions. Decision procedures are tailored for the detection of features commonly found in glaucomatous visual fields. Application of these analysis procedures to a large group of visual field records having a broad range of glaucomatous defects shows a very high sensitivity for detection. Specificity is limited by the extent to which defects are "typical" or obey expected patterns of field loss.
mesh_terms: D003657:Decision Making; D003936:Diagnosis, Computer-Assisted / Q000379:methods* / Q000592:standards; D005901:Glaucoma / Q000175:diagnosis*; D006801:Humans; D014794:Visual Fields