Zeiss opmi lumera 700, Instructions For Use Manual

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2 Safety notes Instructions for Use
OPMI LUMERA 700 2.8 Maximum radiation exposure
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2.8.2 Maximum radiation exposure times with surrounding
field illumination
Brightness
level [%] Maximum exposure times per light source [min]
Halogen Xenon LED Xenon
with
HaMode
filter LED with
HaMode
filter
25 13.7 2.3 6.0 8.0 20.7
50 6.2 1.1 3.0 3.8 10.3
75 3.8 0.8 2.0 2.8 6.9
100 2.7 0.6 1.5 2.1 5.1
The use of the retina protection filter increases the recommended
exposure time by a factor of 5. Any deviation from these values is
only permissible when medically justified.
2.8.3 Maximum radiation exposure times with integrated slit
illuminator
Brightness
level [%] Maximum exposure times per light source [min]
Halogen Xenon LED Xenon
with
HaMode
filter LED with
HaMode
filter
25 18.4 3.3 8.6 11.5 31.0
50 8.2 1.6 4.3 5.6 15.5
75 5.1 1.2 2.9 4.2 10.3
100 3.6 0.9 2.1 3.1 7.7
The use of the retina protection filter increases the recommended
exposure time by a factor of 5. Any deviation from these values is
only permissible when medically justified.
2.8.4 References
1)
H. Stiller and B. Rassow
• "Light hazards to the patient's retina from ophthalmic instru-
ments," Applied Optics-OT 30, 2187-2196 (1991)
2)
American Conference of Governmental Industrial Hygienists
• "Documentation of the Threshold Limit Values for Physical
Agents. 7th Edition," (American Conference of Governmental
Industrial Hygienists, Cincinnati, 2001)
3)
S. G. Khwarg, F. A. Linstone, S. A. Daniels, S. J. Isenberg, T. A.
Hanscom, M. Geoghegan, and B. R. Straatsma