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00162_Field_162.txt
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1997-10-28
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KERATOMETER MEASURING TECHNIQUE
Aligning the Instrument
The patient's eye level should be in
alignment with the pointers on the
side of the instrument. To do this the
instrument is rotated to one side so
the examiner can sight along side the
instrument aligning the pointer and
white horizontal axis line (like
sighting a gun) with the center of
the patient's eye.
Be sure to loosen the lock on the
left side of the instrument to allow
the instrument to rotate side-to-side.