Operates machines to grind, polish and surface optical lenses to meet prescription requirements, and fits lenses to spectacle frames.

Tasks Include:

• interprets prescription details and produces or selects prescribed lenses
• locates and marks axes and optical centres on lens blanks, makes calculations to grind lenses to specifications and sets machines
• checks and tests polished lenses for quality
• grinds special shape and size lenses and multifocal lenses which include bifocal, trifocal and progressive lenses
• modifies frames, edges lenses and fits glasses and contact lenses
• applies lens treatments such as toughening of glass lenses and tinting of plastic lenses