Keeler KAT Gebrauchsanleitung Seite 18

KAT R Type and T Type Tonometer by KEELER
Cause:
The rings are too far to the right.
Correction:
Using the joystick, move the slit lamp to
the right.
7.4 THE INSIDE MARGINS OF THE FLUORESCEIN RINGS ARE NOT ALIGNED
AND TOUCHING
Cause:
The semicircular images are well centred.
The outer margins are aligned but the inner
margins are not.
Correction:
Increase pressure by rotating the
measurement drum.
EN
Cause:
The reading in this position is considerably
higher than real ocular pressure.
Correction:
Using the slit lamp height adjustment
mechanism, lower the slit lamp until the two
fluorescein semi circles are equal in size.
The measurement pressure will then be
reduced.
Cause:
In this case, the inner margins of one
semicircle are aligned with the outer
margins of the other.
Correction:
Increase pressure by rotating the
measurement drum.
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