USER MANUAL (Instruction for Use) SW 6.1
Device Control and Operation
Version 6.1.6 dated 2020-01-31 EN Page 103 of 201
6.10 Positioning Slits
To adjust the correct height of the patient’s eye during the treatment, the positioning slit lights
are used. The lights consist of a slit and a cross which are generated by LED´s. If the slit lights are
switched on they form two bow shaped patterns on the cornea (refer to Figure 6-12: Height
adjustment of the excimer laser).
To bring the patients eye in the correct height for the treatment adjust the height of the patient
bed by turning the joystick. The two bow pattern on the cornea will converge and finally match
in a central point. Tilting of the patient head can be recognized when the area above the central
point and the area below the central point have a different size.
Figure 6-12: Height adjustment of the excimer laser
Tiltofthepatienthead
The two bow shaped patterns of
the positioning slits on the
cornea
Correct height adjustment – bow
patterns meet in the central point,
the total shape is symmetrical
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