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During the measurement process, the AT550 may detect a situation where the
patient’s eye is too close to the nosepiece. Should this occur, the instrument will
back away from the patient’s eye and then start aligning and measuring again.
After three attempts, the instrument will back away completely, and the screen will
change to that shown below.
Should this situation arise, ask the patient to move away from the instrument, then
reposition the patient and proceed with the next measurement.
Instructions for Use - Too Close
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