Essilor Neksia, User Manual

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E
XECUTIVE 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
G
ROOVE WITH MENISCUS
The frame rim is very curved.
ID
The job identifier, or ID, consists of alphanumeric characters. It is unique.
J
OB
All the actions to be carried out on the tracer, centerer-blocker and edger in order to produce a pair of
glasses. It is possible to memorize it in the shape management screen under an identifier (ID).
L
ENTICULAR LENS
Type of lens equipped with a small curved optical area on the front or rear surface and whose edge gradually
flattens. The correction is in the central part.
R
EFRACTIVE INDEX
Characterizes the refractive power of a transparent optical material.
The indices vary according to the materials used for the lenses:
• Plastic lens: 1.5
• Polycarbonate lens: 1.59
• Medium or High Index lens: > 1.5
• Trivex™ lens: 1.5 to 1.6
• Glass lens: 1.5 to 1.9
Neksia > v1.0 - 02.14
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ANUAL
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LOSSARY