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Updated: Jun 11, 2026

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

Peripheral refraction with and without contact lens correction.

Jie Shen1, Christopher A Clark, P Sarita Soni

  • 1School of Optometry, Indiana University, Bloomington, Indiana 47405, USA.

Optometry and Vision Science : Official Publication of the American Academy of Optometry
|July 6, 2010
PubMed
Summary
This summary is machine-generated.

Contact lenses alter peripheral refractive error, reducing retinal blur. Rigid gas permeable lenses significantly decrease field curvature more than soft contact lenses, potentially impacting myopia progression control.

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Area of Science:

  • Ophthalmology
  • Optometry
  • Visual Optics

Background:

  • Peripheral refractive error impacts retinal image quality.
  • This image degradation is hypothesized to drive refractive error development.
  • Understanding lens-induced changes is crucial for myopia management.

Purpose of the Study:

  • Investigate contact lens (CL) effects on horizontal visual field refractive error.
  • Quantify the impact of CLs on peripheral retinal image blur.
  • Compare rigid gas permeable (RGP) and soft CL (SCL) effects.

Main Methods:

  • Shack-Hartmann aberrometry measured ocular wavefront aberrations.
  • Measurements were taken in 5-degree steps across the central 60 degrees horizontally.
  • Peripheral refractions analyzed using elliptical pupil data; field curvature defined.

Main Results:

  • Hyperopic field curvature increases with central myopia.
  • RGP lenses reduced field curvature more than SCLs.
  • Reduced field curvature was offset by increased oblique astigmatism, with net blur reduction constant across the visual field.

Conclusions:

  • Both SCL and RGP lenses reduce hyperopic field curvature in myopic eyes.
  • RGP lenses offer greater reduction but may be limited by astigmatism for myopia control.
  • Lens-induced changes in retinal image quality may differentially affect axial growth mechanisms.