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