9 BIOM® 5 in Use
22 / 40 Instruction Manual BIOM® 5 (G/55400/0413/en)
Only for combination BIOM® 5c / SDI® 4c:
The image reversal is deactivated when the BIOM® 5c is swiveled
out of the beam path.
The SDI® 4c is automatically activated when the BIOM® 5c is
swiveled to the working position.
The image reversal function is automatically controlled via the
position switch at the BIOM® 5c.
Irrespective of this function, the image reversal of the SDI® 4c
can also be optionally controlled with the combination foot-
switch.
At a low microscope magnification: Begin initial focusing of the
BIOM® 5-image by turning the BIOM® 5 adjusting wheel.
Magnify the image section by actuating the focus switch at the
microscope.
Then use the microscope footswitch control to zoom in to maximum
magnification. Now finely focus the image with the adjusting knob of
the BIOM® 5.
Only thus is a parfocal image (i.e. a sharp image at every
magnification) guaranteed.
For BIOM® 5c only: Adjust the sharpness of the image with the rocker
of the combination foot switch, both for initial focusing and for
parfocally setting the image.
Recommendation: Reduce afterwards the microscope magnification to the
degree necessary to achieve as large a fundus overview as possible.
The use of the focusing function with the microscope foot pedal when the
BIOM® 5 is in use only changes the size of the image field (“keyhole effect“).
Attention
Risk of eye injury if the surgeon works under poor visibility conditions.
During the entire process, ensure that the front lens cannot touch the
cornea, as otherwise the image may be impaired.
Keep the cornea moist with a suitable fluid to protect the cornea and
to gain a clear view of the fundus.
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