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Stimulus Speed
The Speed drop-down menu sets the speed in degrees per second (°/sec), at which the stimulus
moves in the test bowl. Touch or click to open the menu and select the setting from the following
(
options:
The default value (5°/sec) is bold.)
• 2°/sec
• 4°/sec
• 3°/sec
• 5°/sec
Visual Field Size
To choose the visual field size, use the sliding bar located in the bottom right of the screen. The
default size is 90 degrees (90°), peripherally. If only the central visual field is being tested choose 30
degrees (30°). If testing within the central 30 degrees and you choose to use a trial lens, it is
suggested you use manual trial lenses, not the Liquid Trial Lens.
Test Mode
Touch on a selection to change from one test mode to another:
• Meridian
• Point to Point
Test modes are described in following sections.
Grid Menu
The Grid drop-down menu is available with Meridian, Point to Point, and Static Point, and allows
(
several grid resolution settings:
The default value (5°) is bold.)
• 1°
• 10°
• 5°
• 15°
Note
See feature
"Note," on page
4-4.
Delete Point
To delete any test point, select the point to highlight it (the point will turn green) and select Delete.
Note: If two test responses overlap during kinetic testing, you will be unable to retest or delete the
first point tested.
Isopter Lines
Isopter lines are drawn on the screen to connect three or more points of the same stimulus type.
HFA3 Instructions for Use
Setup and Testing
• 10°/sec
• Static Point
• Blind Spot Map
2660021166131 Rev. A 2018-11
4-17
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Troubleshooting
