May 2007
Volume 48, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2007
Influence of the Higher-Order Ocular Wavefront Aberrations on the Stereoscopic Visual Function
Author Affiliations & Notes
  • A. Denoyer
    Ophtalmology, University Hospital of Tours, Tours, France
  • J. Halfon
    Ophtalmology, University Hospital of Tours, Tours, France
  • M. Santallier
    Ophtalmology, University Hospital of Tours, Tours, France
  • P.-J. Pisella
    Ophtalmology, University Hospital of Tours, Tours, France
  • Footnotes
    Commercial Relationships A. Denoyer, None; J. Halfon, None; M. Santallier, None; P. Pisella, None.
  • Footnotes
    Support None.
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 5885. doi:
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      A. Denoyer, J. Halfon, M. Santallier, P.-J. Pisella; Influence of the Higher-Order Ocular Wavefront Aberrations on the Stereoscopic Visual Function. Invest. Ophthalmol. Vis. Sci. 2007;48(13):5885.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose:: To evaluate the influence of the inter ocular variations of ocular aberrations on the stereoscopic vision.Methods : 40 patients aged of 25.3 ± 5.3 years (sex ratio of 0.32 M/F) were prospectively included. Inclusion criteria were a refraction inferior to 4 D for sphere and 1 D for astigmatism and no ocular pathology. Main outcomes were the higher-order aberrations root mean square (HOA-RMS) for each eye and the stereoscopic vision assessed with the TNO test. Other outcomes included best corrected visual acuity (BCVA), subjective refraction and 3rd to 6th order ocular aberrations analysis.

Results:: Mean BCVA was -0.115 ± 0.08 logMAR with mean spherical power of -0.55 ± 1 D and astigmatic power of -0.12 ± 0.21 D. Higher-order aberrations RMS was 0.36 ± 0.13 µ for the right eyes and 0.38 ± 0.15 µ for the left eyes. Mean TNO score for stereoscopic vision was 49 ± 42 min with 34 patients (85%) considered to have a good stereoscopic vision (TNO inferior or equal to 60 min). Patients with good TNO score had a smaller inter ocular difference of HOA-RMS than those with bad TNO score (0.064 ± 0.047 µ vs 0.17 ± 0.073 µ, p=0.009). Inter ocular difference of HOA-RMS was correlated with stereoscopic function (R²=0.11, p=0.03), so was inter ocular difference of total spherical aberration (R²=0.04, p=0.01).

Conclusions:: Differences in HOA between the right and the left eye could influence the binocular vision and reduce the stereoscopic visual function.

Keywords: binocular vision/stereopsis • optical properties 
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