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6.
Check if there are air bubbles or impurities between the PI 125 and the
cornea.
It may be useful to change the camera focus between the lens and the cornea
to better recognize air bubbles.
n If you see air bubbles or impurities between the PI 125 and the cornea,
undock the patient.
n
If the PI 125 is clean, continue with step 9.
7.
Clean the PI 125 with a Merocel
®
sponge to remove the impurities.
n
If the PI 125 is not clean, dispose of the product and use a new PI 125.
8. Repeat steps 1 to 7 until no air bubbles or impurities are visible between
the PI 125 and the cornea.
9. Verify that the eye is correctly centered.
10. Verify that one of the (more central) green or yellow shear force LEDs on
the force display is illuminated.
n
If not, correct the pressure by using the joystick (Fig. 132/1 or
Fig. 133/1) until one LED is illuminated green or yellow.
11. Close the suction clip by pressing the ends of the suction clip together.
ð
The patient is docked to the PI 125.
12.
If the pressure status display does not turn green, move the patient bed
until you reach the green pressure status display area. Ensure that there are
no wrinkles visible in the OCT image.
L
CAUTION!
Ensure that the pressure status display does not reach the upper red
pressure status display area! Otherwise there is a higher risk to have
posterior wrinkles.
13. Verify again that one of the (more central) green or yellow shear force LEDs
on the force display is still illuminated.
14.
If the docking was performed correctly, a thin fluid film is visible in the
periphery between the cornea and the PI 125, and the cornea preserves its
natural shape.
TREATMENT
9
SKU: 70005780TPV * Version 6 * UM-100010770 GB
9 - 24
TPV Controlled Document / Status: Effective / Effective Date: Jun 14, 2017 2:38:46 PM
UM-100010770 / Version 6 / Page 150 of 207