12 Mea
s
uring Procedure
Instruction Manual Myopia Master® (G/68100/EN Rev04 0820)
29 / 92
Press the [Mode] button to change the combination of measuring
functions for the individual measurement.
The other parameters that have been selected in "Settings" remain
active
.
The eye that is being measured is shown at the bottom right, [R] for
right or [L] for left.
12.2 Preparing a Mea
s
urement
Position the patient and adjust the device before the measurement.
Rough adjustment
Check that
fresh paper has been put onto the chin rest or that the chin rest
has been disinfected
the head rest has been cleaned and disinfected after each ex-
amination,
Do not touch the device and the patient simultaneously.
Ask the patient to place his or her head on the chin and head rest.
The eye height marking between the chin rest and the headrest
should be located roughly at the centerline of the patient’s eye.
Adjust the chin rest.
In addition, you can also adjust the height of the gauge head by
turning the joystick: Turn it clockwise to move the gauge head
upwards.
Turn it counter-clockwise to move it downwards.
1
1 Head rest
3
Chin rest
2 Mark on device
4
Mark eye height
Fig. 12-2: Patient position
3
2
4
1
1.If you turn the joystick to the limit stop, the measuring head and the chin rest move in the opposite direction.