Measuring ocular aberrations in the peripheral visual field using Hartmann-Shack aberrometry

David A. Atchison, Dion H. Scott, W. Neil Charman

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We have used the Hartmann-Shack technique previously to measure ocular aberrations along the horizontal meridian of the visual field. This requires considerable modifications from the technique for measuring the aberrations corresponding to the fovea. We now further develop the technique so that it can be used for any meridian of the visual field. Allowance is made for any auxiliary optics placed in front of the eye to compensate for the limited range of the Hartmann-Shack technique and for the case where aberrations are estimated at a wavelength other than the measuring wavelength. Zernike wave aberrations are converted to peripheral refractions. Examples are presented showing the developments, and we discuss change in wave aberrations when converting from a circular to an elliptical pupil. © 2007 Optical Society of America.
    Original languageEnglish
    Pages (from-to)2963-2973
    Number of pages10
    JournalOptical Society of America. Journal A: Optics, Image Science, and Vision
    Volume24
    Issue number9
    DOIs
    Publication statusPublished - Sept 2007

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