BOXING DIMENSIONS
The boxing system is a standard method to indicate the dimensions of frame contours (or gauges). This
operation consists in fitting the frame into a rectangle whose dimensions are indicated.
• Boxing center: geometric center of the rectangle
• Boxing axis: horizontal axis of the frame passing through the boxing center
• A-dimension: length of the rectangle
• B-dimension: height of the rectangle
• D-dimension: nominal nose (DBL)
• E-dimension: greatest radius from the boxing center
• Boxing height: calculated from the tangent line at the bottom of the frame
EXECUTIVE LENS
Type of bifocal lens with two full fields: one which corrects far vision defects and one which corrects near
vision defects. They are available in two models:
• separation line present on the front surface of the lens
• separation line present on the rear surface of the lens
• Example of lenses of this type: Telex lenses
TM
GROOVE WITH MENISCUS
The curve of the rim of the frame is considerable.
JOB
All of the actions to be carried out together on the tracer and the edger to manufacture a pair of glasses. It
is recorded in the shape management screen under a specific identifier.
LENTICULAR LENS
Type of lens equipped with a small curved optical zone on front or back surface and whose edge is gradually
flattened. The correction is in the central part.
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