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8.8.3 KM AXIS CHECK
1 . Attach the aspheric model eye (32177-1400)
.
2 . Display the CALIB MODE SELECT
screen (for KM), and select KM AXIS
CHECK
3 . Align the marking-off line to the three hori-
zontal lines of the aspheric model eye.
4 . Press the lamp
button to turn off the
three horizontal and violet square-shaped
lines.
5 . Perform alignment of the aspheric model
eye (32177-1400).
6 . Press the start button to measure the cor-
neal cylinder axis angles (0º, 45º, 90º,
135º) of the aspheric model eye (32177-
1400).
1 ) A: Center KM measurement values
a . MAX: the maximum value
among the 10 measurements
b . MIN: the minimum value
among the 10 measurements
2 ) B: Peripheral KM measurement val-
ues
a . MAX: the maximum value
among the 10 measurements
b . MIN: the minimum value
among the 10 measurements
7 . Confirm that the measurement values (maximum and minimum) for the corneal cylinder
axis angles (0º, 45º, 90º, 135º) of the aspheric model eye (32177-1400) are within the fol-
lowing specifications.
1 ) Center specifications: ±2º of each intended angle
2 ) Peripheral specifications: ±4º of each intended angle
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Summary of Contents for AR-310A
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