A professional who lays out and cuts optical glass to specified dimensions and weight for molding into lens blanks, using templates, balance scale, and glass cutting tool. Responsibilities include:

• Examines optical glass stock or molded blanks for defects, such as bubbles, cracks, and scratches, and rejects defective stock.
• Weighs glass stock to facilitate cutting to specified weight, using balance scale.
• Traces outline according to dimension specifications, using template.
• Cuts glass according to pattern, using glass cutter.
• Grinds rough edges from blank, using rotating grindstone.