Essilor Pro-B 300, Руководство пользователя

Страница: 46 / 140

Centering help and micro-engravings
To use centering help with re-marked micro-engravings: erase any circles around the micro-engravings
before re-marking them so as not to affect detection.
Essiclean™
You are recommended to use a water-alcohol solution such as Essiclean™ to erase the existing
markings.
2. C
ENTERING A SINGLE VISION 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 procedures for centering a single vision lens:
• Centering using three focimeter dots
(
F
p.46)
• Centering using re-marked micro-engravings
(
F
p.48)
a. Centering a single vision lens using three focimeter dots
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. Optical center of the lens (white cross) and boxing center of the shape (blue cross)
2. Centering marks
Press to select the type of single vision lens.
1
Pro-B 300 > v1.0 - 03.19
46
U
SER
M
ANUAL
> III. C
ENTERING A LENS