Visual Field Digest Teaching Kit Chapter 9 HAAGSTREIT

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 Fast”, “SITA Standard”, “Visual Field Index”, and “VFI”. § Copyright © 2018 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 Analyses 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: Illustration of the usefulness of Polar Trend Analysis

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

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

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

Box 9 B: The design of Polar Trend Analysis