Quick Reference Guide
HFA3 Quick Reference Guide 2660021166131 Rev. A 2018-11
5-4
Preliminary Tests (Optional)
Perform Foveal Threshold (if selected)
1. Read the on-screen instructions to the patient.
2. Select Start Foveal
Threshold.
3. To proceed without this test select Skip Foveal T
hreshold.
Perform Gaze Initialization (if selected)
1. Make sure to adjust the eye position before you initialize.
2. Read the on-screen instructions to the patient.
3. Select Start Gaz
e Initialization.
4. To proceed without this test select Ski
p Gaze Initialization.
5. If Gaze Initialization fails a pop-up m
essage provides available options.
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