Optometrist how-to

How to Perform a Refraction

Accurate refraction gives clear vision.

Updated By the Career Education Institute Curriculum Team
Quick answer

Accurate refraction gives clear vision. In short: start; use; refine, then complete the remaining steps below.

Step by step

  1. Start with autorefraction or retinoscopy.

  2. Use the phoropter.

  3. Refine sphere and cylinder.

  4. Balance both eyes.

  5. Check near vision.

  6. Finalize the prescription.

Safety reminders for optometrists

  • Follow infection control with instruments
  • Teach contact lens hygiene
  • Refer urgent conditions immediately
  • Use dilating drops safely

Refraction · Visual acuity · Myopia · Hyperopia · Astigmatism · Presbyopia: see the full optometrist glossary.

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