Essilor Pro-B 300, User Manual

Page: 59 / 140

D-
SEGMENT
R
OUND SEGMENT
The lens is centered and ready to be blocked.
5. C
ENTERING AN EXECUTIVE LENS
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 procedure for centering an executive lens.
Prerequisite: The lens must be marked with the focimeter.
The three focimeter dots must be:
• Lined up
• At the same distance from the central dot
• 0.5 to 1.5 mm in diameter
Description of the centering target
1. Centering mark
2. Boxing center of the shape (blue cross)
3. Centering mark
>
U
SER
M
ANUAL
> III. C
ENTERING A LENS
59
Pro-B 300 > v1.0 - 03.19