1 Hold the control lever and pull the machine body towards the operator.
2 Move the control lever in directions as needed in order to bring the patient’s eye to
the center of the monitor screen.
3 Tell the patient to gaze at the yellow-green light.
4 Move the machine body toward the patient and focus the target eye.
A vague alignment dot becomes seen reflected in the cornea.
5 Move the machine body in directions as needed in order to get the alignment dot
within the inner alignment mark on the monitor screen.
Inner alignment mark Alignment dot
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