Optician how-to

How to Measure for Progressive Lenses

Accurate measurements make progressives work.

Updated By the Career Education Institute Curriculum Team
Quick answer

Accurate measurements make progressives work. In short: adjust; measure; measure, then complete the remaining steps below.

Step by step

  1. Adjust the frame first.

  2. Measure pupillary distance for each eye.

  3. Measure segment height.

  4. Check frame wrap and tilt.

  5. Record measurements.

  6. Order lenses.

Safety reminders for opticians

  • Use eye protection with edging equipment
  • Handle tools safely
  • Clean frames and tools
  • Follow lens impact standards

Prescription · Pupillary distance · Progressive lens · Bifocal · Anti-reflective coating · Lensometer: see the full optician glossary.

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