Visual Field Digest Teaching Kit Chapter 9 HAAG-STREIT AG

Teaching Kit Copyright The Visual Field Digest Teaching Kit includes all figures and illustrations from the Visual Field Digest. They can be used for non-commercial presentations free of charge. Haag-Streit AG allows the use of this figures for personal or academic use under the conditions that (i) it is used without commercial purpose and (ii) the content is reproduced exactly as the original by mentioning Haag-Streit AG, Switzerland as the owner of the copyright. Non-academic, non-personal or commercial users might only use this figures in whole or in part after a written authorization by the copyright holder. “Haag-Streit”, “900” and “Octopus” are either registered trademarks or trademarks of Haag-Streit Holding AG. The following are either registered trademarks or trademarks of Carl Zeiss Meditec: “Guided Progression Analysis”, “GPA”, “Humphrey”, “HFA”, “SITA”, “SITA Fast”, “SITA Standard”, “Visual Field Index”, and “VFI”. Copyright © 2016 HAAG-STREIT AG

Fig. 9-1: Challenges associated with assessing visual field progression

Fig. 9-2: Progression analysis tools available in OCTOPUS perimeters

Fig. 9-3: Trend analysis for displaying overall change

Fig. 9-4: Graphical interpretation of a trend line

Fig. 9-5: Slope of trend analysis provides rate of change

Fig. 9-6: MD trend analysis – interpretation aid

Fig. 9-7: Importance of exclusion of untrustworthy visual field tests

Fig. 9-8: Typical behavior of global trend analysis from early to moderate disease

Fig. 9-9: Case example 1: patient with both progressing cataract and glaucoma

Fig. 9-10: Case example 2: subtle local glaucomatous change and mainly diffuse fluctuation

Fig. 9-11: Cluster trend and corrected cluster trend – interpretation aid

Fig. 9-12: Illustration of the usefulness of cluster trend analysis

Fig. 9-13: Illustration of the usefulness of cluster trend analysis in advanced disease

Fig. 9-14: Polar trend analysis – interpretation aid

Fig. 9-15: Clinical interpretation of probabilities in borderline situations

Box 9A-1: OCTOPUS perimeter use least square linear progression to best fit a trend line

Box 9A-2: Illustration of the influence of fluctuation on significance

Box 9A-3: The influence of the number of visual field tests on significance

Box 9B: The design of polar trend analysis