Ophthalmic Technician how-to

How to Run a Visual Field Test

Good instructions give reliable results.

Updated By the Career Education Institute Curriculum Team
Quick answer

Good instructions give reliable results. In short: explain; patch; position, then complete the remaining steps below.

Step by step

  1. Explain the test.

  2. Patch the other eye.

  3. Position the chin correctly.

  4. Remind the patient to look at the center.

  5. Monitor fixation.

  6. Review reliability scores.

Safety reminders for ophthalmic technicians

  • Clean equipment between patients
  • Check allergies before drops
  • Warn patients about dilation effects
  • Follow infection control

Visual acuity · Snellen chart · Tonometry · Dilation · OCT · Visual field: see the full ophthalmic technician glossary.

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