PLUSOPTIX A12C Short Manual page 5

In addition to the measurement values, a measurement result is displayed:
If applicable, a red error message is also displayed:
You can see the gaze map for each eye on the left and right edges of the screen. This
illustrates the lines of vision of the eyes during the measurement. As soon as one eye is
focussed more than 10 degrees from the camera (this relates to the inside of both circles),
the points on the gaze map are shown in red. A measurement is then not possible and it will
be interrupted inconclusively.
The Plusoptix Binocular Autorefractor compares the lines of vision of both eyes and
calculates the asymmetry of the lines of vision (ASY). An asymmetry of 0° is equivalent to
perfect symmetry. Asymmetrical lines of vision can be caused by squinting or decentralised
fixation.
Attention:
The displayed asymmetry of the line of vision is not equivalent to the squint angle.
Note:
If a child is not looking at the nose of the smiley face during the measurements,
this can cause a termination of the measurement or inaccurate measurement
values of the asymmetry of the line of vision. For this reason, do not use any other
external fixation aids!
The measurement has been successfully completed.
The measurement has been aborted inconclusively.
If a red error message is displayed above the screening result,
please read supplementary short manual 9 "Troubleshooting
malfunctions and measuring interruptions".
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