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Essay

Optical Lens Processing

Essay specific features

 

Issue:

Technology

 

Written by:

Ida W

 

Date added:

June 21, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 815

 

Was viewed:

1216 times

 

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Essay content:

Edging is the process of cutting these optical lens blanks to fit frames, producing a pair of glasses. Equipment There are four pieces of equipment used in the lens edging process. A lensometer is used to check the power in the lens. The tracer is used to determine the dimensions and shape of the frame...
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The tracer is used to determine the dimensions and shape of the frame. The blocker is used to prepare the lens for handling by the edger. The edger cuts the lens to the dimensions specified by the tracer. Lensometer (Source: Topcon) Tracer (Source: National Optronics) Blocker (Source:Topcon) Edger (Source: National Optronics) Process Step 1 ? Checking the Lens After receiving the lens blanks the lab technician first checks them visually for any scratches or imperfections that would be cause for rejection...
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