Zeiss S7 / OPMI VISU 160 Instructions For Use Manual page 21

S7 / OPMI VISU 160
Version 6.0
G-30-1528-en
The brightness control scale comprises a range of values from 0.1 to 1.5.
The stipulations of standard DIN EN ISO 15004-2:2007 result in maximum ra-
diation exposure times for the different illumination configurations as speci-
fied in the table below.
Maximum radiation exposure times
The use of the blue barrier filter (retina protection filter)increases the recom-
mended exposure time by a factor of 5 compared with the values specified
below.
2° illumination (red reflex)
Scale display Max. exposure time in minutes
Illumination (without retina protection filter)
0.2 15.2
0.6 7.6
1.0 5.1
1.5 3.8
6° illumination (surrounding field)
Scale display Max. exposure time in minutes
Illumination (without retina protection filter)
0.2 9.2
0.6 4.6
1.0 3.1
1.5 2.3
The illumination system of the surgical microscope contains a UV blocking
filter as a standard feature.
This helps the surgeon to reduce the risk of phototoxic retinal injury in the pa-
tient.
Safety Measures
Page 21