Essilor Mr Blue 2.0, User Manual, Page: 58 / 152

USER MANUAL > CENTERING A LENS
58 Mr Blue 2.0 > v4.0 -09.16
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Press to select the type of progressive lens.
Press to select the manual centering mode.
Enter the half-PD and pupillary height.
Position the lens on the clamps and center it in keeping with the target.
You can control the opening and closing of the clamps for better control of the stability of the lens:
Press to open the clamps.
Press to close the clamps.
You can choose to center the lens on the protective glass: open the clamps completely.
Do not manually center the (thickness < 0.8 mm) directly on the window. The precalibrated lenses
(p.149)
lenses would be liable to break during blocking.
Take care not to damage the protective glass with glass lenses.
Press to zoom.
The centering cross present on the lens must be superimposed on the target centering cross.
Make sure that the target centering marks line up with the lens centering marks.
To carry out lens blocking, refer to the section . Centering a lens > Blocking a lens (p.80)
4. Centering bifocal / trifocal lenses
Prerequisite: Before centering the lens, you must first trace a shape in the centering screen.
If necessary, we recommend the following prior operations:
Modifying or retouching the traced shape (p.83)
Preparing drilling points (p.91) to be created
Place the stickers recommended by the manufacturer on hydrophobic lenses.
This section describes the centering procedures for bifocal and trifocal lenses with a round segment or D-segment:
Centering in automatic mode (p.59)
Centering using three focimeter dots (p.61)
The clamps close: the image of the centering chamber is displayed in real time. >
The target moves. >
The lens is centered and ready to be blocked. >
Centering the lens