Handbook of Occupational Groups and Families		Classification Programs Division
Release Date:  August 2001		Section Forty of Sixty-six

    4000 - LENS AND CRYSTAL WORK FAMILY   

This job family includes occupations involved in making precision optical elements, crystal blanks or wafers, or other items of glass, crystalline substances, synthetics, polished metals, or similar materials, using such methods as cutting, etching, grinding, polishing, etc.

Throughout the following information, an asterisk (*) stands for series with a published standard and a double asterisk (**) stands for series with a published flysheet.

Occupations in this family are:

4005 Optical Element Working

This occupation includes jobs involved in blocking, grinding, etching, polishing, coating, cementing, silvering, and assembling optical elements such as reticles, prisms, lenses, and optical test plates of glass or other materials for use in precision instruments.

4010 Prescription Eyeglass Making

This occupation includes jobs that involve grinding and polishing eyeglass lenses to prescription specifications and/or cutting, edging, and mounting lenses in frames.