LightLas 532 – Operator's Manual Rev. No 01 Page 12 of 115
Additional clinical warnings may be found in Section 6.1.4 of this Manual.
ALWAYS try to let the laser have its own or dedicated power outlet.
Additional items may be plugged in a Multiple Portable Socket Outlet, which
may be plugged into an additional outlet.
DO NOT use the Laser Console if the ambient temperature is outside the
range of 20 to 35°C. This temperature range is the rated operating
temperature limits where the Laser system can be guaranteed to operate
without any interruptions to normal use. Outside this range of temperature
it is possible that the Laser will generate an error condition where the word
“hold” is displayed and the system goes to Standby until the internal
temperature returns to within normal limits then the Laser can be used again
but the error condition may reoccur unless the rated temperature comes
within limits.
2.3 Optical Hazards
Guidance for the safe use of Lasers and Laser systems is found in the standard
IEC60825-1, the USA 21CFR 1040.10, 1040.11 and ANSI Z136.1 - 1986.
During normal operation of the LightLas 532 the operator is protected from Laser
hazards by built in optical absorption Safety Filters. All other personnel in the area
should wear protective eyewear to eliminate the risk of eye injury occurring.
The optical density (OD) of eye protection must be greater than or equal to 4 and the
wavelength 532nm range is also specified on it. It is shown in the following format:
OD4+ @ 532nm
Otherwise, the safety glasses are NOT suitable for this purpose of eye protection.
Safety Glasses are required to have the CE mark applied if used in the EU.
The LightLas 532 uses a Class II Laser Diode Aiming beam. Its wavelength range from
635 to 650 nanometers (nm) and the maximum power output is set at the factory to
be less than 1mW delivered to the patients cornea. However it is always
recommended to use the lowest aiming beam intensity during treatments.
The LightLas 532 Photocoagulator Laser has been classified as a Class 4 and its
classification specified accordingly to the above quoted standards. This classification
is also based on the Accessible Emission Limits (AEL) as calculated according to the
standards.
2.3.1 Nominal Ocular Hazard Distance (NOHD)
The Nominal Ocular Hazard Distance (NOHD) is the distance between the equipment
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