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3.7.3 EyeSeeCam calibration
For the EyeSeeCam goggle, the standard calibration should be peformed first. Open
the calibration screen, and select EyeSeeCam as input source, EyeSeeCam Laser as
stimuli, and click start calibration. The standard calibration follows the same
procedure as described in section 3.7.1, except that the EyeSeeCam laser always
presents 5 stationary dots. So, the operator must instruct the patient to focus on only
one dot at a time. The large yellow dot on the calibration screen presents the target
that the patient should be instructed to focus on.
NOTICE: Automatic fixation detection is not available with the EyeSeeCam goggle, so the points must be
accepted manually by clicking "Accept Point" in the left panel.
After the standard calibration has been completed, a head calibration must be performed.
Whenever EyeSeeCam is selected as input source, the Head Calibration button will appear (
).
Figure 3.7-7
Clicking this will open the Head Calibration screen.
Figure 3.7-7: Head Calibration button available for EyeSeeCam calibration
Ask the patient to fixate at a point, and click 'Start' to start the head calibration. Ask the patient to shake the
head slowly in a horizontal direction. The head velocity guide indicates the correct speed for the head
movement. When the bar is green, the correct speed is achieved and the system can track the head
movement. After a few seconds, the system moves to vertical calibration, and you must ask the patient to
move his/her head slowly in a vertical direction.
Figure 3.7-8: EyeSeeCam Head Calibration
Once both planes have been completed, the head calibration results will appear. The graphs should present
a cross with vertical and horizontal lines as shown in
. The operator can then Accept and Close, or
Figure 3.7-9
redo the calibration. Once clicking 'Accept and Close' the system is ready for the tests.
D-0134090-A – 2022/11
VisualEyes™ - Instructions for Use - EN
Page 76
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