4. C
ENTERING
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:
•
Preparing drilling points
(
F
p.79)
to be created
•
Place the stickers recommended by the manufacturer on hydrophobic lenses.
This section describes the centering procedure for a bifocal or trifocal lens with a straight, curved or round
segment.
Description of the centering target
1.
Centering cross (white cross) and boxing center of the shape (blue cross)
2.
Near vision mark
3.
Centering marks
Centering the lens
Press
to select the type of bifocal lens.
The bifocal lens centering mode
is displayed.
>
1
U
SER
M
ANUAL
> III. C
ENTERING
A
LENS
57
Pro-B 300 > v1.0 - 03.19
Summary of Contents for Pro-B 300
Page 1: ...User Manual...
Page 2: ......
Page 6: ......
Page 8: ......
Page 9: ...I FIRST STEPS...
Page 17: ...II TRACING...
Page 40: ......
Page 41: ...III CENTERING A LENS...
Page 69: ...IV MODIFYING THE LENS SHAPE...
Page 78: ......
Page 79: ...V PREPARING A DRILLED JOB...
Page 91: ...USER MANUAL V PREPARING A DRILLED JOB 91 Pro B 300 v1 0 03 19...
Page 92: ......
Page 93: ...VI PREPARING LENS EDGING...
Page 98: ......
Page 99: ...VII TO SET UP THE DEVICE...
Page 114: ......
Page 115: ...VIII MAINTENANCE SERVICING...
Page 126: ......
Page 127: ...TECHNICAL DATA...
Page 130: ......
Page 131: ...GENERAL INFORMATION 9...
Page 135: ...GLOSSARY...