Glossary
Ophthalmic Lab Technician Terms & Vocabulary
15 essential ophthalmic lab technician terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.
Key ophthalmic lab technician vocabulary
These 15 terms come up constantly in ophthalmic lab technician training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.
- Anti-reflective coating
- Reduces glare.
- Axis
- Cylinder orientation.
- Cylinder
- Astigmatism correction.
- Edging
- Cutting lenses to frame shape.
- Lens blank
- Unfinished lens.
- Lensometer
- Measures lens power.
- Optical center
- Focus point.
- Polycarbonate
- Impact-resistant material.
- Prism
- Lens that shifts images.
- Progressive
- No-line multifocal.
- Sphere
- Lens power.
- Surfacing
- Grinding lens power.
- Tinting
- Coloring lenses.
- Tolerance
- Allowed variation.
- Work ticket
- Order instructions.
Practice these terms
Test yourself with the free Ophthalmic Lab Technician practice test: it includes vocabulary questions built from this list. For a complete course, see Ophthalmic Lab Technician training.
Browse terms from every career in our career glossary.