PRK-8000 Operation Manual
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ERROR When the Mire Image is not clear because
the cornea is dry.
Instruct the examinee to open and close his or
her eyes several times and measure again.
Examinee has strong irregular astigmatism
or corneal disease.
Impossible to measure
+ OUT Sum of SPH and CYL of examinee’s eye is
over +25D.
Impossible to measure
Radius of curvature is over 13.0mm.
Objective glass in the measurement window
is dirty
Clean the glass
- OUT Sum of SPH and CYL of examinee’s eye is
over -30D.
Impossible to measure
Radius of curvature is under 5.0mm.
Objective glass in the measurement window
is dirty
Clean the glass
C OUT Astigmatism is over 10D. Impossible to measure
Corneal stigmatism is over 15D.
Objective glass in the measurement window
is dirty.
Clean the glass
(3) Message On Printing
Message Cause Method to deal with
No Print Data There is no measurement data Print after measurement
PRINTER PAPER EMPTY No printing paper Load a roll of printing paper.
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