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00060_Field_60.txt
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1997-10-29
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475b
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18 lines
KERATOMETRY
The proper technique should be used to obtain accurate readings:
adjust eyepiece
calibrate instrument
properly position patient
properly position and focus
the mires
accurately align mires for
measurement
may make 2 or 3 measurements
on each eye
extend the range of the instrument
if necessary
Remember that the keratometer reads from 2 points on the cornea approximately 3.0 mm apart.