10 Fundamentals of working with the Keratograph
32 / 106 Instruction Manual Keratograph 5M (G/77000/XXXX/EN – Rev05)
10.5 Preparing the Examination
Attention
Erroneous measurements due to incorrect operation
Before first use:
Make sure the installation and connection of the “Keratograph 5M“
examination station are completed by our service or by a profes-
sional authorized by OCULUS.
Let OCULUS or an authorized dealer train you in the operation of
the Keratograph.
Recommended for beginners: First practice the entire measurement
process a few times using the supplied reference sphere, (Chap. 21.5,
page 85).
Make sure that no interfering light gets into the viewer of the Kera-
tograph 5M.
If necessary, darken the room.
Check that
fresh paper has been placed on the chin rest, or, if necessary,
the chin rest has been cleaned and disinfected
the forehead rest has been cleaned and disinfected,
see also Chap. 21, page 81
Ask the patient to place his chin on the chin rest.
Do not touch the patient and the device at the same time.
Adjust the table height so that the patient’s head rests comfortably
on the head-chin rest.
Adjust the chin rest so that the patient’s eyes are approximately at
the level of the black ring on the chin-forehead rest.
Fig. 10-2: Patient positioning
2
1
3
1 Chin-forehead rest with marking
2 Joystick with twist handle
3 Adjusting base
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