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Visual Field Digest Teaching Kit Chapter 8

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1 Visual Field Digest Teaching Kit Chapter 8
HAAG-STREIT AG

2 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 © 2018 HAAG-STREIT AG

3 Fig. 8-1-1: Visual field interpretation examples

4 Fig. 8-1-2: Visual field interpretation examples

5 Fig. 8-1-3: Visual field interpretation examples

6 Fig. 8-2: Visual field interpretation workflow

7 Fig. 8-3: Step 1 – Confirm patient and examination parameters

8 Fig. 8-4: Overview of patient and examination parameters

9 Fig. 8-5: Step 2 – Asses whether the visual field can be trusted

10 Fig. 8-6: Untrustworthy visual field tests can show significant defects

11 Fig. 8-7: Impact of false positive answers on visual field result

12 Fig. 8-8: Impact of false negative answers on visual field result

13 Fig. 8-9: Step 3 – Identify diffuse visual field loss

14 Fig. 8-10: Defect Curve – Interpretation aid

15 Fig. 8-11: Example of the clinical usefulness of the Defect Curve

16 Fig. 8-12: Example of the clinical usefulness of the corrected representations

17 Fig. 8-13: Step 4 – Distinguish between normal and abnormal visual fields

18 Fig. 8-14: Probabilities and Corrected Probabilities – Interpretation aid

19 Fig. 8-15: Clinical interpretation of Probabilities in borderline situations

20 Fig. 8-16: Limitations of the Probabilities representation in advanced disease

21 Fig. 8-17: Step 5 – Assess shape and depth of defect

22 Fig. 8-18: Grayscale of Comparisons, Comparisons and Corrected Comparisons – Interpretation aid

23 Fig. 8-19: Step 6 – Assess cluster defects in glaucoma

24 Fig. 8-20: Cluster Analysis and Corrected Cluster Analysis –Interpretation aid

25 Fig. 8-21: Illustration of the high sensitivity of Cluster Analysis to detect glaucoma

26 Fig. 8-22: Step 7 – Where to look for structural defects

27 Fig. 8-23: Polar Analysis – Interpretation aid

28 Fig. 8-24: Illustration of the clinical usefulness of the Polar Analysis

29 Fig. 8-25: Step 8 – Assess visual field severity

30 Fig. 8-26: Step 8 – Illustration of the usefulness of MD

31 Fig. 8-27: Illustration of the usefulness of sLV

32 Table 8-1: The etiology of diffuse and local visual field defects

33 Box 8A: Grayscale representations are interpolated color maps

34 Box 8B: Illustration of the clinical usefulness of Cluster Analysis

35 Box 8C: Spatial relationship between visual fields and structural results


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