Zeiss AT 030, Product Documentation Set

Page: 47 / 88

Instruction for use 7 Maintenance
AT 030 7.3 Adjusting the swivel-mounted tonometer holder with round mounting
319300-9120-000-GA-GB-240320 41 / 60
Setting the correct height in the field of view (height
adjustment A)
u
Set the magnification of the slit lamp microscope to a high
magnification (e.g. 20x or 25x).
u
Loosen the two clamping screws by approx. ½ turn.
u
Unscrew the adjusting screw at the upper end of the rod by
approx. 5 mm.
u
Press on this adjusting screw and slide the rod with tonometer
downwards, until the base plate is resting on the pivot joint of
the slit lamp.
u
Move the tonometer with measuring prism into the vertical
center of the field of view by turning the adjusting screw to the
right. Hold the tonometer, so that it cannot rotate laterally.
Ensure the correct alignment of the measuring prism.
u
Firmly retighten the two clamping screws alternately.
u
Retighten the adjusting screw carefully.
Adjust height Height set correctly
Setting the alignment (coaxiality B)
u
Set the magnification of the slit lamp microscope to a low
magnification (e.g. 5x or 6x).
u
Loosen the two clamping screws.
u
Observe the measuring prism through the right eyepiece and
set the correct alignment of the measuring prism. Turn the
tonometer, including the base plate, sideways around the rod.
u
Firmly retighten the two clamping screws alternately.
Adjust alignment Alignment set
correctly Adjust alignment