Zeiss VISU 200 Wartungshandbuch PDF herunterladen (Seite 28)

28 Description

G-30-1439-en OPMI® VISU 200 BrightFlex™ Surgical Microscope Issue 3.0

Printed on 21. 11. 2002

Illumination system

6° illumination

You can continuously fade out the 6° illumination. This results in markedly

reduced reflection from the cornea, while providing nevertheless a high-

contrast, informative microscope image.

For cataract surgery, we recommend opening the 6° illumination system

approx. 25%.

2° illumination

You can switch the illumination from +2° to -2°. This ensures good visi-

bility of the red reflex even when the patient's eye is decentered.

1 6° illumination and 2° illumination

2 2° illumination with centered patient's eye

Here, the red reflex is clearly visible in both positions (+2° and -2°).

3 2° illumination with decentered patient's eye

The red reflex is no longer visible at +2°. After switching to -2°,thered

reflex is again clearly visible.

-2° +2°

+6°

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Zeiss VISU 200 Wartungshandbuch Seite 28