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12 Measuring Procedure
Refraction Values (2)
Keratometer Values (3)
Camera image (4)
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The sphere, cylinder, axis position an quality values are displayed in this
field.
The refraction values are measured three times. The mean value is
displayed in the fourth line.
Q-value:
If the field has a white background (9-8) - the measuring results are good.
If the field has a yellow background (7-6) - the measuring results are
critical; repeat the measurement, if necessary.
If the field has a red background (
K1/K2: Horizontal/vertical radius of curvature in the center
blue: flat meridian
red: steep meridian
Pupil: Size of pupil
Astig: Astigmatism of cornea in the center
WTW: (white-to-white) Cornea diameter or iris diameter.
Q-value:
If the field has a white background (9-8) - the measuring results are
good.
If the field has a yellow background (7-6) - the measuring results are
critical; repeat the measurement, if necessary.
If the field has a red background (
The cornea or the edge of the iris is marked in the camera image.
Instruction Manual Myopia Master® (G/68100/EN Rev04 0820)
6) - repeat the measurement.
6) - repeat the measurement.
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