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Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
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Published on: September 16, 2025

A review of peripheral refraction techniques.

Cathleen Fedtke1, Klaus Ehrmann, Brien A Holden

  • 1The Institute for Eye Research, The Vision Cooperative Research Centre, Kensington, NSW, Australia. c.fedtke@ier.org.au

Optometry and Vision Science : Official Publication of the American Academy of Optometry
|April 4, 2009
PubMed
Summary

Peripheral refraction measurement is crucial for understanding myopia development. This review compares techniques, highlighting drawbacks and identifying the Shin-Nippon NVision K5001 and Hartmann-Shack wavefront sensor as most promising for future research.

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Area of Science:

  • Ophthalmology
  • Optometry
  • Vision Science

Background:

  • The link between myopia development and peripheral refraction is a growing area of research.
  • Understanding the mechanisms requires precise peripheral refractometry.

Purpose of the Study:

  • To review and compare various techniques for measuring peripheral refraction.
  • To identify the most effective methods and instruments for future research.

Main Methods:

  • Review of historical and current off-axis refraction techniques.
  • Analysis of modifications to instrumentation and procedures.
  • Comparison of techniques based on instrumentation, modifications, and reported difficulties.

Main Results:

  • Various techniques exist, involving head/eye turns or instrument rotation.
  • Common drawbacks include off-axis fixation, time consumption, and unreliable measurements at large angles.
  • The Shin-Nippon NVision K5001 and Hartmann-Shack wavefront sensor are identified as most useful.

Conclusions:

  • Accurate peripheral refraction measurement is vital for myopia research.
  • Understanding technique details is crucial for result comparability.
  • Specific instruments show promise for advancing peripheral refraction studies.