1-1
■
1. PRIOR TO USE
■ Read this manual thoroughly before using the instrument to
ensure proper and safe operation.
■ Always follow the operation procedures described in this
manual.
■ Check that there are no devices that generate strong
magnetic field near the instrument. A strong magnetic field
may cause noise and affect measurement.
1.1 Precautions for operation
■ Only allow qualified operators to use the instrument.
■ When measuring the axial length, fully examine the measured data for waveforms and
variations. If the measurement result is doubtful, perform measurement again or another
inspection to review the inspection result. If incorrect measurement data is used to
select intraocular lenses, further surgery might be required.
■ When using the IOL calculation result to select intraocular lenses, thoroughly determine
the selection by also examining cataract surgery methods and other inspections.
■ When measuring corneal thickness, the measurement accuracy may exceed ±5µm
depending on the conditions of measurement or patient's cornea. Carefully consider the
history of corneal diseases and surgeries, and review the inspection result by
performing measurement again or another inspection if the measurement result is
doubtful.
■ An artifact may occur during ultrasound measurement. If measurement value is doubtful,
consider waveforms and other examinations to carefully determine whether to adopt the
value.
■ Precautions when installing the instrument
- Install the instrument in a location free of water or chemicals. Any water
or chemicals entering the instrument may cause an electric shock or
failure.
- Do not install the instrument in a location where chemicals are stored or
gases may occur. Spilt chemicals or vapor may enter the instrument and
result in fire.
- Check that the frequency, voltage, and allowable current (or power
consumption) of the power source are appropriate. Otherwise, fire or
electric shock may occur.
- Connect the power plug to a grounded 3-pin outlet. Otherwise, a short
circuit due to failure of the instrument may result in electric shock.
- Do not place any heavy object on the power cord or squash the power
cord. Fire or electric shock may occur.
- Fully insert the power plug into the outlet. Faulty contact, allowing any
metal to contact the exposed terminal of the plug, or dust accumulated
on the exposed terminal of the plug may result in fire or electric shock.
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