2
definite image.
21
Microscope Fixation Screw
22
Accessories Mount
Accept the model R-900 Goldmann applanation tonometer as well as other
accessories
23
Horizontal Mark
When the horizontal center of the patient’s eye is in line with this mark, the
elevation of the microscope controlled by joystick is also in its center position.
24
Forehead Belt
25
Diffusion Lens
Used for observing and photographing at a low magnification, and for enlarging
the illumination field.
26
Lamp Cap
27
Aperture Slit Height and Display Window
28
Filter Selection Lever
There are four filters for selection
29
Aperture and Slit Height Control Knob
Rotate this knob to adjust the spot and the slit height. Swing the knob
horizontally to revolve the slit.
30
Fixation target
Two kinds of fixation targets are available. One is for diopter adjustment to help
the patient to see the target clearly while the other is an illuminated fixed spot.
31
Reflecting Mirror
Both long and short reflecting mirrors are provided. The long mirror is routinely
used for most examination procedures. The short mirror is used when the long
mirror interferes with the observation pathway, such as during funduscopy.
32
Hruby Lens
Used for observation of fundus and the posterior segment of vitreous body.
33
Hruby Lens Holder
34
Centering Knob
Loosening the knob allows the illumination light to be moved from the center of
the vision field for indirect retro-illumination. Fastening the knob brings the
illumination light back to the center.
35
Slit Width Control Knob
The slit width is continuously adjustable within the range from 0 to 9mm. The
marks on the left knob stand for the approximate value of the width.
36
Illumination Inclination Lever
Four 5
o
inclination stops are available
－
up to 20
o
.
37 Brightness Control Connector
