Use : Standard use
Silver FC 00 511 29
Function Selection Description
Optical center: the lens is laid out and blocked on the optical center.
Fct6
Geometric centre: the optical centre is moved from the mechanical
centre
BOX decentration:
Height calculated from the optical center to the extreme bottom point
of the frame
Fct7
MIX decentration: Height calculated from the optical center to the
base of the frame on the nasal side
Laying out and blocking the lens
Procedure
Follow the steps below to lay-out and block the lens.
Step Action
1
Select the lens to be laid out using Fct1:
•
Or
•
.
2
Select the type of vision using Fct2 (refer to the paragraph Layout examples below):
•
Or
•
.
3
Enter the client’s binocular pupil distance using Fct3.
Result:
the machine automatically interprets the entered value as being:
• a total pupillary distance
+62.00
Or
• a monocular pupillary distance
+30.00
Or
• a decentration
+06.00
.