Visual Field Digest Teaching Kit Chapter 2 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 © 2018 HAAG-STREIT AG

Fig. 2-1: Spatial extent of a normal visual field

Fig. 2-2: Sensitivity to light

Fig. 2-3: Hill of vision

Fig. 2-4: Perimetry allows detection of abnormal sensitivity to light

Fig. 2-5: Sensitivity thresholds

Fig. 2-6: Drawing the hill of vision from the sensitivity thresholds

Fig. 2-7: Graphic display of sensitivity thresholds

Fig. 2-8: Ideal versus practical perimetric testing

Fig. 2-9: Hill of vision is age- and location-dependent

Fig. 2-10: Comparisons show the deviation from normal

Fig. 2-11: Normal fluctuation in perimetry

Box 2A: Relationship between sensitivity to light and luminance

Box 2C: Frequency of seeing (FOS) curve