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© HAAG-STREIT AG, 3098 Koeniz, Switzerland - HS-Doc. No. 1500.7200492-04150 – 15. Edition / 2017 – 01
DEUTSCH
ENGLISH
FRANÇAIS
ITALIANO
ESPAÑOL
NEDERLANDS
PORTUGUÊS
SVENSKA
DEUTSCH
ENGLISH
FRANÇAIS
ITALIANO
ESPAÑOL
NEDERLANDS
PORTUGUÊS
SVENSKA
•
Adjust the eyepieces (23) in accordance with the examiner’s refraction by turning
the knurled rings and set the eye distance.
•
Switch on the illumination by turning the switch on the power supply.
•
Adjust the height of the slit lamp by turning the control lever (30) until the lumi-
nous aigrette is at eye level.
•
The rigid control lever (30) gently inclined towards the examiner can be used to
push the entire instrument until the slit appears approximately focused on the
cornea. This initial setting is verified with the naked eye. Fine tuning is performed
by tilting the control lever, which is easily controlled at the top end, while observ-
ing via the stereo microscope (22).
•
The slit width is set left or right with the rotating knob (17), as is the angle be-
tween the stereo microscope and illumination.
•
The slit image can be set vertically, horizontally or as diagonally as required by
turning the illumination facility on the control knob (20) (locking points at 45°, 90°
and 135°; stops at 0° and 180°; scale in 5° increments).
•
To ensure that unimpeded binocular fundus examination in the optical section is
also possible at lateral angles of between 3° and 10°, a short mirror (12) is used,
the illumination turned 90° using the locking screw (20) and tilted in 5° steps us-
ing the latch (27), and the illumination and microscope turned to the central po-
sition (0°).
•
The magnification of the stereo microscope can be changed on the slit lamp BM
900 by changing the lenses using the lever (24) or exchanging the eyepieces.
•
Front-lens glasses and contact glasses are used to examine the ocular fundus.
Diffuse illumination:
•
A diffuse illumination is achieved by positioning the diffusor (8) upstream. This
enables overview monitoring and can be used for taking overview images with
the Imaging Module.
Indirect illumination:
•
For observation in regredient light (indirect illumination), the centering screw (26)
is loosened in order to move the slit image out of the center of the visual field.
Tightening the screw centers the slit image again.
Slit tilting:
•
The latch (27) can be used to tilt the illumination in 5° steps. This creates an
angled light beam during horizontal slit orientation. Tilting the slit enables re-
flex-free examination with contact glasses (fundus and gonioscopy) and magni
-
fying glasses.
22
20
19
23
10
11
17
4
6
7
24
26
27
30
5.4 Setting the filters & diaphragms
34
38
39
40
41
35
36
37
34. Open
35.
Grey filter (10%)
36.
Red removal filter
37.
Reserve opening for filter Ø 15mm
(0 / -0.2), thickness 2.5mm
38. Fixation star
39. Apertures of 8, 5, 3, 2, 1 and 0.2
mm in ø
40. Display of slit length in 1 to 8 mm
41.
Blue filter
01_IFU_BM900-7200492-04150_eng.indd 8
21.02.2017 09:54:57
