June 1992
Volume 33, Issue 7
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Articles  |   June 1992
Sensitivity to temporal luminance modulation in congenital nystagmus.
Author Affiliations
  • S J Waugh
    College of Optometry, University of Houston, Texas 77204-6052.
  • H E Bedell
    College of Optometry, University of Houston, Texas 77204-6052.
Investigative Ophthalmology & Visual Science June 1992, Vol.33, 2316-2324. doi:
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      S J Waugh, H E Bedell; Sensitivity to temporal luminance modulation in congenital nystagmus.. Invest. Ophthalmol. Vis. Sci. 1992;33(7):2316-2324.

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

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Abstract

Uniform field temporal contrast sensitivity functions were compared for 10 subjects with congenital nystagmus (seven idiopathic, three with albinism) and 10 normal observers. Sensitivity to luminance modulation did not differ significantly from normal at any temporal frequency tested except 0.5 Hz, at which the subjects with nystagmus had slightly higher sensitivity. In conjunction with other recent findings, their essentially normal temporal contrast sensitivity suggests that persons with nystagmus process retinal information continuously, rather than selectively during only only one phase of the nystagmus.

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