Ophthalmic Lab Technician how-to

How to Verify a Finished Lens

Verification catches errors.

Updated By the Career Education Institute Curriculum Team
Quick answer

Verification catches errors. In short: place; read; check, then complete the remaining steps below.

Step by step

  1. Place in the lensometer.

  2. Read sphere and cylinder.

  3. Check axis.

  4. Check prism.

  5. Compare to the order.

  6. Pass or remake.

Safety reminders for ophthalmic lab technicians

  • Wear eye protection
  • Handle chemicals safely
  • Guard machines
  • Follow impact testing rules

Lens blank · Surfacing · Edging · Sphere · Cylinder · Axis: see the full ophthalmic lab technician glossary.

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