6 Device Description
Instruction Manual BIOM® 5 (G/55400/1218/en) 9 / 36
6.1 Mode of Operation of the BIOM
®
5
The BIOM® 5 is used in conjunction with an SDI (Stereoscopic Diagonal
Inverter) to erect the image for non-contact, wide-angle observation of
the fundus and vitreous body. If the matching OCULUS SDI® is used, full
compatibility with the BIOM® 5 models is guaranteed.
The combination of surgical microscope and the optical components of
the BIOM® 5 allows examination of the vitreous chamber under
stereoscopic conditions. The BIOM® 5 works as an indirect
ophthalmomicroscope without corneal contact during the surgery.
The patient’s eye ball can be moved freely during the surgery. Peripheral
fundus portions are thus easy to examine. This combined optical system
achieves a fundus observation of approx. 125° in total.
The optical system of the BIOM® 5 consists of the reduction lens and the
front loupe. The reduction lens provides a virtually constant distance
between the patient’s eye and the surgical microscope when the BIOM®
5 is swung in or swung out. The reduction lens reduces the focal length
of the microscope objective lens.
The position of the reduction lens with respect to the surgical microscope
is preset.
The height adjustment of the front loupe is used for focussing the BIOM
image. The distance between the surgical microscope and the front loupe
is set using the adjusting wheel at the BIOM® 5.
For the BIOM® 5c/cl only:
Press the combination foot switch to focus by means of the electric
motor.
This height adjustment of the front loupe brings the fundus image into
the focal point of the microscope objective.
As the image is completely reversed when the BIOM® 5 is used, optimal
use is only guaranteed in conjunction with a stereoscopic diagnonal
inverter (SDI®). The SDI® rights the complete image reversal and can be
switched on and off as required.
If a BIOM® connecting spacer is used, this serves to focus the BIOM® 5c,
the image is erected by an inverter.
To Next Page
Loading...
Need help?
General
