Permanent engraving

Permanent engraving

Permanent engraving for the reconstruction of all reference points and measuring points of progressive lenses.

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Part of Speech: noun
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Industry/Domain: Eyewear
Category: Optometry
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Related terms

permanent engraving

Eyewear; Optometry

Permanent engraving for the reconstruction of all reference points and measuring points of progressive lenses.

engraving

Art history; Visual arts

A form of intaglio printmaking in which a plate (typically of metal) is manually cut unto using a graver to make grooves into which ink can then be trapped and transferred onto ...

engraving

Art history; General art history

An intaglio technique in which a metal plate is manually incised with a burin, an engraving tool like a very fine chisel with a lozenge-shaped tip. The burin makes incisions into ...

engraving

Metals; Silver

Decorating silver by scraping or cutting away material to create a design, especially of armorials and crests.

engraving

Chronometry; Clock

Engraving was used extensively in the decoration of clocks, for dial centers, back plates, cases, hour, minute and second numerals, and the maker's name. Numerals when engraved ...

engraving

Printing & publishing; Paper

Printing by the intaglio process. Ink is applied to the paper under extreme pressure resulting in a printed surface being raised. Used for fine letterheads, wedding invitations, ...

ophthalmoscope

Eyewear; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

pantoscopic angle

Eyewear; Optometry

1. Angle in the vertical plane between the optical axis of a spectacle lens and the visual axis of the eye in the primary position, usually taken to be the horizontal. 2. Angle ...

optical material

Eyewear; Optometry

Transparent material capable of being manufactured into optical components.

optical radiation hazard

Eyewear; Optometry

Possibility of damage to the retina by optical radiation.

optical centre

Eyewear; Optometry

For practical purposes, the intersection of the optical axis with the front surface a lens.

ophthalmoscope

Optometry; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

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