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00163_Field_163.txt
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1997-10-29
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611b
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19 lines
KERATOMETER MEASURING TECHNIQUE
Aligning the Instrument
If the keratometer is too high
or low in relation to the
patientΓÇÖs eye, the body of the
instrument can be moved up or
down with the knob that is
closest the the examiner near
the base. Be sure the lock of
the left side is loosened which
allows the instrument to move
up and down. If the body of the
keratometer is near upper or
lower limit of its movement,
the patient can be raised or lowered by moving the chinrest up or down using the knob in front of the one to raise and lower the instrument body.