Essilor Mr Blue 2.0, User Manual

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USER MANUAL > CENTERING A LENS
Mr Blue 2.0 > v4.0 -09.16 43
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Centering in manual mode (p.51)
It also describes the which makes it possible to limit the induced prism, and to ensure a job of quality. job function “lens fit” (p.50)
Do not center the (thickness < 0.8 mm) in automatic mode or in three focimeter dots mode, you lenses precalibrated
(p.149)
are likely to break them with blocking.
a. Centering a single vision lens in automatic mode
Do not use this mode for a lens marked with a focimeter: the markings can alter the precision of the centering.
Press to select the type of single vision lens.
Press to select the automatic centering mode.
Press to enter the cylinder angle (if the lens has one).
This information makes it possible to straighten the lens perfectly at the angle required by the prescription, then
ensure that the posiblock is set on the same axis.
When you start the blocking of a cylindrical lens without having indicated the angle value, a warning is displayed at
the start of the blocking operation:
Press if you don't want to change the default value (default value = 0°).
Press if you want to modify this value. The numeric keypad is displayed.
Enter the desired value, then press to confirm.
Enter the half-PD and pupillary height.
Modify the distance between the PRP (point of reference prismatic) and centering cross, if necessary:
This value is configured by default at 4 mm for Essilor mid-distance lenses (EyeZen). This value may vary, depending
on lens manufacturers.
Position the lens in the middle of the centering chamber.
The centering target is displayed. >
The angle value is displayed in the centering screen. >
The target moves. >