Topcon TRC-50DX, Инструкция по эксплуатации

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BASIC OPERATIONS
ICG FLUORESCEIN PHOTOGRAPHY (ONLY IN TYPE IA)
The basic operation is the same as "FAG PHOTOGRAPHY". The difference is that observa-
tion of the retina is done with the monitor.
1
Set the to "IA".
The ICG observation infrared camera is automatically selected.
2
Make the same adjustments, as
3
~
10
for "COLOR PHOTOGRAPHY", and focus the reti-
nal image properly.
Select "AUTO" or "GREEN" with the (External fixation color selection) on
the "SET MENU" display of the control panel to set the external fixation target color to
"green". Near infrared light is used as the illumination light source. So, it is easy to fix
the eye on the target by selecting a green fixation target.
The split lines and alignment bright spot are turned off.
3
Prepare for the intravenous injection of ICG fluorescein.
4
Press the at the same time as an intrave-
nous injection of fluorescein is given to the patient.
• The timer starts.
5
Press the .
When the fluorescein retinal image is fully bright:
• Press the
switch of "APERTURE" (photography
aperture), and you can adjust focus easily.
6
Press the .
7
When you have finished photographing, press the to stop the timer.
WARNING
To avoid fire and electric shock, do not put cups or other containers
with liquids near the instrument.
NOTE
To ensure correct imaging, adjust the height of the automatic instru-
ment table so that the patient can relax with his/her chin placed cen-
trally on the chinrest.
FILTER SWITCHING KNOB
FIX COLOR
Ex TIME SPLIT Ba
TIME SWITCH
Ex TIME SPLIT Ba
Ba (BARRIER) SWITCH
SMALL
PHOTOGRAPHY SWITCH
TIME SWITCH