Safety Notes
000000-1253-546 VISUCAM C 31.07.2003
7
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This instrument may only be modified and repaired by service
technicians employed with or authorized by Zeiss. The responsibility
for any other use than the one intended and described herein
exclusively lies with the user.
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The retinal exposure dose for a photochemical hazard is a product of
the radiance and the exposure time. If the value of radiance were
reduced in half, twice the time would be needed to reach the
maximum exposure limit.
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Because prolonged intense light exposure can damage the retina, the
use of the device for ocular examination should not be unnecessarily
prolonged, and the brightness settings should not exceed what is
needed to provide clear visualization of the target structures.
Additionally the device includes appropriate filters which assure that
the limit values will be met in the pre-determined wavelength limits
as required by the standard ISO 10940 : 1998.
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Please also keep patient exposure to a minimum during setting of the
area to be examined with the infrared illumination.
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While no acute optical radiation hazards have been identified for the
VISUCAM C, it is recommended that the intensity of light directed
into the patient’s eye be limited to a minimum level which is
necessary for diagnosis. Infants, aphakes and persons with diseased
eyes will be a greater risk. The risk may also be increased if the
person being examined has had any exposure with the same
instrument or any other ophthalmic instrument using a visible light
source during the previous 24 hours. This will apply particularly if the
eye has been exposed to retinal photography.
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In the U.S. federal law restricts this device to sale by or on the order
of a Physician or Practitioner (CFR 801.109(b)(1)). The respective
personnel qualification requirements are defined in the appropriate
national directives.
Caution
This instrument is a high-quality technical product. To ensure perfect
and reliable operation, have it checked at least every 12 months by
authorized service technicians.
